
  # Best Lead Intelligence Software

  *By [Alanna Iwuh](https://research.g2.com/insights/author/alanna-iwuh)*


   Lead intelligence software provides companies with cleaned and verified lead information to validate a company’s own contact data or further enrich it. The enrichment process often provides businesses with verified email addresses and phone numbers but can also add more details, such as company information and job titles. Since most business contact information is private and customers typically wouldn’t want to receive unsolicited communication, lead intelligence software can be a great option for companies to validate their lead data and maintain accurate and high-quality lead information in their database. Sales departments mainly use this solution, but it can also be used by marketing to better target potential customers with their campaigns.

Lead intelligence software is focused on the enrichment, verification, and acquisition of leads. These tools should not be confused with products that only provide access to lists of contacts or have limited-to-no functionality for managing that information. It also differs from [sales intelligence software](https://www.g2.com/categories/sales-intelligence) as these tools often have features to alert sales teams with predictive intelligence of contacts, such as buyer intent data to gauge their likelihood to purchase or lead scoring insights to rank prospective customers. The main benefit of lead intelligence software is its ability to assist sales teams in making decisions during the lead generation process, from lead mining and capture to lead scoring and nurturing opportunities.

Some additional features in lead intelligence software may include [visitor identification](https://www.g2.com/categories/visitor-identification) and [email verification](https://www.g2.com/categories/email-verification).

To qualify for inclusion in the Lead Intelligence category, a product must:

- Provide an automated process to verify data about a company’s potential customers, such as their names, emails, and phone numbers or any other relevant information
- Allow users to combine their own data with data provided by the lead intelligence solution, manage combined lists, and offer filtering and list-building features
- Analyze both internal and external data together to find and evaluate new business opportunities
- Integrate with sales or marketing solutions such as CRM, marketing automation, and sales effectiveness tools, as well as advanced analytics and data management solutions




  
## Top Lead Intelligence Software at a Glance
| # | Product | Rating | Best For | What Users Say |
|---|---------|--------|----------|----------------|
| 1 | [GTM Workspace - Powered by ZoomInfo](https://www.g2.com/products/gtm-workspace-powered-by-zoominfo/reviews) | 4.5/5.0 (8,874 reviews) | B2B contact intelligence with intent-driven prospecting | "[A Powerful AI Tool for Inside Sales Success](https://www.g2.com/survey_responses/gtm-workspace-powered-by-zoominfo-review-12894485)" |
| 2 | [Seamless (formally Seamless.AI)](https://www.g2.com/products/seamless-formally-seamless-ai/reviews) | 4.4/5.0 (5,336 reviews) | Real-time B2B contact enrichment with LinkedIn extension | "[Saves Hours of Manual Research](https://www.g2.com/survey_responses/seamless-review-11736468)" |
| 3 | [Apollo.io](https://www.g2.com/products/apollo-io/reviews) | 4.7/5.0 (9,340 reviews) | B2B prospecting with built-in outreach sequencing | "[One Platform for Prospecting, Outreach, and Pipeline Growth](https://www.g2.com/survey_responses/apollo-io-review-12951676)" |
| 4 | [Cognism](https://www.g2.com/products/cognism/reviews) | 4.5/5.0 (1,316 reviews) | EMEA mobile numbers with GDPR-compliant prospecting | "[Human Verified Mobile Numbers That Save Hours](https://www.g2.com/survey_responses/cognism-review-12776308)" |
| 5 | [RocketReach](https://www.g2.com/products/rocketreach/reviews) | 4.4/5.0 (1,353 reviews) | LinkedIn-anchored email discovery for cold outreach | "[Fast, Easy-to-Use Contact Data with High Accuracy and Wide Coverage](https://www.g2.com/survey_responses/rocketreach-review-12665800)" |
| 6 | [Nooks](https://www.g2.com/products/nooks/reviews) | 4.8/5.0 (1,556 reviews) | Parallel dialing with real-time contact enrichment | "[Streamlined Calling with Powerful Contact Enrichment](https://www.g2.com/survey_responses/nooks-review-12757886)" |
| 7 | [GTM Studio - Powered by ZoomInfo](https://www.g2.com/products/gtm-studio-powered-by-zoominfo/reviews) | 4.5/5.0 (3,395 reviews) | — | "[Account Exectuive](https://www.g2.com/survey_responses/gtm-studio-powered-by-zoominfo-review-9414756)" |
| 8 | [Waalaxy](https://www.g2.com/products/waalaxy/reviews) | 4.5/5.0 (1,307 reviews) | LinkedIn outreach automation with multi-touch sequencing | "[Powerful Outreach That Replaces Mainstream Recruitment Platforms](https://www.g2.com/survey_responses/waalaxy-review-12825807)" |
| 9 | [6sense Sales Intelligence](https://www.g2.com/products/6sense-sales/reviews) | 4.0/5.0 (941 reviews) | Intent-driven account prioritization inside Salesforce | "[Great way to capitalize on warm leads](https://www.g2.com/survey_responses/6sense-sales-intelligence-review-11449748)" |
| 10 | [Instantly](https://www.g2.com/products/instantly/reviews) | 4.8/5.0 (4,109 reviews) | Cold outreach lead-finding with inbox deliverability | "[Migration Support and Warmup Make Managing Dozens of Mailboxes Effortless](https://www.g2.com/survey_responses/instantly-review-12850941)" |

  
## How Many Lead Intelligence Software Products Does G2 Track?
**Total Products under this Category:** 360

### Category Stats (Jun 2026)
- **Average Rating**: 4.58/5 The average rating of products in this category, based on all submitted ratings
- **New Reviews This Quarter**: 1,287
- **Buyer Segments**: Small-Business 60% │ Mid-Market 31% │ Enterprise 9% Represents the distribution of reviewers across all products in this category.
- **Top Trending Product**: LeadsPlease (+0.231) - Among all products in this category, LeadsPlease recorded the largest rating increase compared to last month
*Last updated: June 01, 2026*

  
## How Does G2 Rank Lead Intelligence Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 73,000+ Authentic Reviews
- 360+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

  
## Which Lead Intelligence Software Is Best for Your Use Case?

- **Leader:** [GTM Workspace - Powered by ZoomInfo](https://www.g2.com/products/gtm-workspace-powered-by-zoominfo/reviews)
- **Highest Performer:** [Prospeo.io](https://www.g2.com/products/prospeo-io/reviews)
- **Easiest to Use:** [FullEnrich](https://www.g2.com/products/fullenrich/reviews)
- **Top Trending:** [Instantly](https://www.g2.com/products/instantly/reviews)
- **Best Free Software:** [Apollo.io](https://www.g2.com/products/apollo-io/reviews)

  
---

**Sponsored**

### Metadata.io

The B2B Paid Digital Platform designed to optimize Ad Spend into Revenue with precision, efficiency, and AI-agents. While exceptionally designed for an ABM use, Metadata fits perfectly into broader Demand Generation approaches too. Metadata consolidates Paid Social and Paid Search channels into one platform. Allowing teams to scale, manage, and report on campaigns across channels. Metadata&#39;s AI optimizes campaigns across channels for metrics based on data from your CRM/MAP like meetings, pipeline, and revenue. The alternative is manually optimizing each channel, separately, for the top-of-funnel metrics available within native channels like cost-per-click. Metadata&#39;s target market focuses on leading marketing teams across SaaS industries who invest in Paid Social and Paid Search for customer acquisition. Metadata allows lean teams to hit large pipeline numbers. Key features of Metadata include: - Patented Audience Targeting - Programmed Experimentation at Scale - Unified Campaign Management and Reporting - Autonomous Bottom of Funnel Optimizations - Unlocking untapped B2B channels (Facebook, Instagram, Reddit, X etc) - Lead Enrichment Customers Include: Zoom, UserTesting, Apptio, Notion, Gainsight, Cisco, HPE, Cvent, BigID, LogicMonitor, AwardCo, Writer, Decisions.com, Monotype, Planful, Wrike, Own, Brex and more.



[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&amp;secure%5Bad_slot%5D=category_product_list&amp;secure%5Bcategory_id%5D=497&amp;secure%5Bdisplayable_resource_id%5D=497&amp;secure%5Bdisplayable_resource_type%5D=Category&amp;secure%5Bmedium%5D=sponsored&amp;secure%5Bplacement_reason%5D=page_category&amp;secure%5Bplacement_resource_ids%5D%5B%5D=497&amp;secure%5Bprioritized%5D=false&amp;secure%5Bproduct_id%5D=15192&amp;secure%5Bresource_id%5D=497&amp;secure%5Bresource_type%5D=Category&amp;secure%5Bsource_type%5D=category_page&amp;secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Flead-intelligence&amp;secure%5Btoken%5D=ca2c32ce67b43b29a489c63e4f4b55b45c7d67186b7915a6dbddd083d8e1c790&amp;secure%5Burl%5D=https%3A%2F%2Fmetadata.io%2Fone%2F%3Futm_source%3DG2%26utm_medium%3Dother%26utm_term%3Dother%26utm_campaign%3DG2%26utm_content%3Ddemo%26utm_type%3Dother&amp;secure%5Burl_type%5D=book_demo)

---

  ## What Are the Top-Rated Lead Intelligence Software Products in 2026?
### 1. [GTM Workspace - Powered by ZoomInfo](https://www.g2.com/products/gtm-workspace-powered-by-zoominfo/reviews)
  ZoomInfo Sales is a software designed to empower sales teams by transforming B2B contact and account data into actionable prospecting insights within a unified platform. The software provides access to over 70 million direct dial phone numbers, 174 million verified email addresses, and 500 million professional profiles by leveraging a continuously verified database and AI-driven analysis of over one billion buying signals per month. It automates account research, follow-up task generation, and outreach drafting and reduces the time sellers spend on manual prospecting by an estimated 10 hours per week. ZoomInfo Sales addresses the challenge of fragmented sales workflows by consolidating prospecting, buyer intent tracking, and CRM-synced alerts into a single platform. The software supports sales development representatives, account executives, and revenue operations teams through integrations with leading CRM systems and a suite of AI agents that recommend next best actions across the sales cycle.


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 8,874
**How Do G2 Users Rate GTM Workspace - Powered by ZoomInfo?**

- **Has the product been a good partner in doing business?:** 8.6/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.5/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.6/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.5/10 (Category avg: 8.6/10)

**Who Is the Company Behind GTM Workspace - Powered by ZoomInfo?**

- **Seller:** [ZoomInfo](https://www.g2.com/sellers/zoominfo-26a9872a-d61e-4832-ab53-5e972b230706)
- **Company Website:** https://www.zoominfo.com/
- **Year Founded:** 2000
- **HQ Location:** Vancouver, WA
- **Twitter:** @ZoomInfo (23,515 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/zoominfo/ (4,221 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, Sales Development Representative
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 48% Mid-Market, 26% Enterprise


#### What Are GTM Workspace - Powered by ZoomInfo's Pros and Cons?

**Pros:**

- Contact Information (413 reviews)
- Ease of Use (403 reviews)
- Data Accuracy (384 reviews)
- Features (334 reviews)
- Helpful (324 reviews)

**Cons:**

- Inaccurate Data (232 reviews)
- Outdated Data (232 reviews)
- Outdated Contacts (215 reviews)
- Data Inaccuracy (188 reviews)
- Outdated Information (172 reviews)

### 2. [Seamless (formally Seamless.AI)](https://www.g2.com/products/seamless-formally-seamless-ai/reviews)
  Seamless (formally Seamless.AI) is a software designed to provide real-time B2B contact data including verified emails, cell phone numbers, and sales insights to help teams find and close deals. The software provides access to over 1.7 billion contacts and 150 million company profiles, including buyer intent and job change signals, by leveraging AI to ensure data accuracy across its database. It automates the list-building process and reduces the manual effort required to research and compile prospect information at scale. Seamless (formally Seamless.AI) addresses the challenge of maintaining current and accurate contact data by continuously researching and refreshing records using AI-powered verification. The software supports sales and marketing teams through integrations with CRM and sales engagement platforms including Salesforce, HubSpot, Salesloft, Outreach, and Pipedrive.


  **Average Rating:** 4.4/5.0
  **Total Reviews:** 5,336
**How Do G2 Users Rate Seamless (formally Seamless.AI)?**

- **Has the product been a good partner in doing business?:** 8.5/10 (Category avg: 9.3/10)
- **Lead Quality:** 7.9/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.0/10 (Category avg: 8.7/10)
- **Lead Analysis:** 7.8/10 (Category avg: 8.6/10)

**Who Is the Company Behind Seamless (formally Seamless.AI)?**

- **Seller:** [Seamless](https://www.g2.com/sellers/seamless-803b0bbf-7ae7-470b-ba27-72e05602ad0d)
- **Company Website:** https://www.seamless.ai
- **Year Founded:** 2015
- **HQ Location:** Columbus, Ohio
- **Twitter:** @SeamlessAI (25,330 Twitter followers)

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, CEO
  - **Top Industries:** Information Technology and Services, Computer Software
  - **Company Size:** 64% Small-Business, 29% Mid-Market


#### What Are Seamless (formally Seamless.AI)'s Pros and Cons?

**Pros:**

- Contact Information (1184 reviews)
- Ease of Use (1181 reviews)
- Lead Generation (609 reviews)
- Data Accuracy (532 reviews)
- Accuracy of Information (491 reviews)

**Cons:**

- Inaccurate Data (410 reviews)
- Outdated Contacts (295 reviews)
- Outdated Information (285 reviews)
- Data Inaccuracy (236 reviews)
- Expensive (222 reviews)

### 3. [Apollo.io](https://www.g2.com/products/apollo-io/reviews)
  Apollo.io is a software designed to help revenue teams find, engage, and manage B2B buyers across the entire sales cycle within a single AI-powered go-to-market platform. The software provides firmographic, technographic, and buyer signal data alongside multi-channel sales engagement sequencing by leveraging an extensive B2B database and intelligent AI agents that assist with account research, lead scoring, and message generation. It automates outbound and inbound prospecting workflows and reduces the number of disconnected tools required to manage pipeline by consolidating data, engagement, and deal tracking in one place. Apollo.io addresses the challenge of fragmented go-to-market execution by combining contact enrichment, CRM-synced records, and agentic AI recommendations so sellers can prioritize and personalize outreach at scale. The software supports sales development representatives, account executives, revenue operations, and marketing teams through integrations with Salesforce and other CRM platforms, making it accessible to B2B organizations of all sizes.


  **Average Rating:** 4.7/5.0
  **Total Reviews:** 9,340
**How Do G2 Users Rate Apollo.io?**

- **Has the product been a good partner in doing business?:** 9.1/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.8/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.9/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.8/10 (Category avg: 8.6/10)

**Who Is the Company Behind Apollo.io?**

- **Seller:** [Apollo.io](https://www.g2.com/sellers/apollo-io)
- **Company Website:** https://www.apollo.io/
- **Year Founded:** 2015
- **HQ Location:** San Francisco, CA
- **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, Business Development Manager
  - **Top Industries:** Information Technology and Services, Computer Software
  - **Company Size:** 67% Small-Business, 29% Mid-Market


#### What Are Apollo.io's Pros and Cons?

**Pros:**

- Ease of Use (1587 reviews)
- Lead Generation (1349 reviews)
- Features (1321 reviews)
- Helpful (1317 reviews)
- Time-saving (1123 reviews)

**Cons:**

- Missing Features (559 reviews)
- Inaccurate Data (469 reviews)
- Learning Curve (458 reviews)
- Limited Features (431 reviews)
- Data Inaccuracy (420 reviews)

### 4. [Cognism](https://www.g2.com/products/cognism/reviews)
  Cognism is a software designed to provide European and global B2B contact data and sales intelligence to help revenue teams discover and engage qualified decision-makers faster. The software provides verified phone numbers, email addresses, and contextual buying signals by leveraging a compliance-focused database with particular strength in EMEA and GDPR-regulated markets. It automates the prospecting research process and reduces the guesswork involved in identifying and reaching the right contacts at target accounts. Cognism addresses the challenge of unreliable or non-compliant B2B data by maintaining a verified, GDPR-compliant contact database that revenue teams can trust for outbound outreach. The software supports sales development representatives and account executives through integrations with CRM platforms including Salesforce and HubSpot, serving businesses of all sizes.


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 1,316
**How Do G2 Users Rate Cognism?**

- **Has the product been a good partner in doing business?:** 9.3/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.2/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.3/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.0/10 (Category avg: 8.6/10)

**Who Is the Company Behind Cognism?**

- **Seller:** [Cognism](https://www.g2.com/sellers/cognism)
- **Company Website:** https://www.cognism.com
- **Year Founded:** 2015
- **HQ Location:** London, England
- **Twitter:** @Cognism (2,333 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/10533439/ (451 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, Sales Development Representative
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 50% Mid-Market, 25% Small-Business


#### What Are Cognism's Pros and Cons?

**Pros:**

- Ease of Use (199 reviews)
- Contact Information (178 reviews)
- Data Accuracy (159 reviews)
- Lead Generation (121 reviews)
- Time-saving (103 reviews)

**Cons:**

- Inaccurate Data (91 reviews)
- Incorrect Numbers (59 reviews)
- Outdated Contacts (57 reviews)
- Incorrect Information (53 reviews)
- Limited Contacts (51 reviews)

### 5. [RocketReach](https://www.g2.com/products/rocketreach/reviews)
  RocketReach is a software designed to help sales, marketing, and recruiting teams find accurate contact information and build targeted prospect lists through one of the world&#39;s largest lead intelligence databases. The software provides continuously verified email addresses, phone numbers, and company data by leveraging automated data quality processes and a broad professional contact database spanning industries including healthcare, technology, and financial services. It automates the workflow of discovering and engaging prospects and reduces the time required to manually source contact details by enabling one-click lookups and the Autopilot automated workflow feature. RocketReach addresses the challenge of reaching the right decision-makers by combining intent data, precise filtering, and accurate contact enrichment so teams can personalize outreach and improve response rates. The software supports sales prospecting, marketing list building, and talent acquisition through integrations with LinkedIn and other platforms, serving small businesses and mid-market organizations.


  **Average Rating:** 4.4/5.0
  **Total Reviews:** 1,353
**How Do G2 Users Rate RocketReach?**

- **Has the product been a good partner in doing business?:** 8.6/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.0/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.1/10 (Category avg: 8.7/10)
- **Lead Analysis:** 7.8/10 (Category avg: 8.6/10)

**Who Is the Company Behind RocketReach?**

- **Seller:** [RocketReach](https://www.g2.com/sellers/rocketreach)
- **Company Website:** https://rocketreach.co
- **Year Founded:** 2016
- **HQ Location:** Brooklyn, NY
- **Twitter:** @RocketReachCo (3,422 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/18097967/ (95 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Founder, Business Development Manager
  - **Top Industries:** Marketing and Advertising, Financial Services
  - **Company Size:** 66% Small-Business, 24% Mid-Market


#### What Are RocketReach's Pros and Cons?

**Pros:**

- Contact Information (273 reviews)
- Ease of Use (266 reviews)
- Accuracy (133 reviews)
- Accurate Data (127 reviews)
- Data Accuracy (113 reviews)

**Cons:**

- Inaccurate Data (115 reviews)
- Outdated Contacts (110 reviews)
- Outdated Data (87 reviews)
- Outdated Information (85 reviews)
- Missing Information (75 reviews)

### 6. [Nooks](https://www.g2.com/products/nooks/reviews)
  Nooks is a software designed to help outbound sales teams generate pipeline more efficiently by pairing human judgment with AI execution in a unified agent workspace. The software provides account signals, historical context, and next-best action recommendations alongside multi-channel AI sequencing by leveraging intelligent automation that keeps outreach relevant as teams scale. It automates repetitive research and sequencing tasks and reduces context switching by consolidating prospecting signals, parallel dialing, and outreach management into a single platform. Nooks addresses the inefficiency of legacy outbound tools by enabling sales development representatives to cut research time by up to 90% and more than double email-sourced pipeline. The software supports SDR and sales teams at organizations including HubSpot, Deel, and Rippling through a consolidated platform that replaces multiple vendors with one integrated outbound workflow.


  **Average Rating:** 4.8/5.0
  **Total Reviews:** 1,556
**How Do G2 Users Rate Nooks?**

- **Has the product been a good partner in doing business?:** 9.6/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.2/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.6/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.6/10 (Category avg: 8.6/10)

**Who Is the Company Behind Nooks?**

- **Seller:** [Nooks](https://www.g2.com/sellers/nooks)
- **Company Website:** https://www.nooks.ai/
- **HQ Location:** San Francisco, California
- **Twitter:** @JoinNooks (391 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/nooksapp (390 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** SDR, Business Development Representative
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 50% Mid-Market, 25% Small-Business


#### What Are Nooks's Pros and Cons?

**Pros:**

- Time-saving (399 reviews)
- Ease of Use (384 reviews)
- Efficiency (355 reviews)
- Features (248 reviews)
- Lead Generation (219 reviews)

**Cons:**

- Call Issues (212 reviews)
- Dialer Issues (110 reviews)
- Missing Features (81 reviews)
- Dialer Limitations (65 reviews)
- Connection Issues (60 reviews)

### 7. [GTM Studio - Powered by ZoomInfo](https://www.g2.com/products/gtm-studio-powered-by-zoominfo/reviews)
  ZoomInfo Operations is a software designed to help sales and marketing operations teams optimize their go-to-market strategies by automating the cleaning, enriching, and routing of sales and marketing data. The software provides automated deduplication, field standardization, record completion, and intelligent lead routing by leveraging a no-code data management engine integrated with ZoomInfo and over 60 third-party data sources. It automates data hygiene workflows and reduces the manual effort required to maintain accurate CRM and marketing automation records at scale. ZoomInfo Operations addresses the challenge of fragmented and outdated go-to-market data by establishing a unified, enriched data foundation that ensures every lead, account, and opportunity reaches the right sales representative at the right time. The software supports Salesforce administrators and marketing operations managers through seamless integrations with CRM and marketing automation platforms, enabling more precise targeting, faster response times, and improved revenue outcomes.


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 3,395
**How Do G2 Users Rate GTM Studio - Powered by ZoomInfo?**

- **Has the product been a good partner in doing business?:** 9.0/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.0/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.6/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.9/10 (Category avg: 8.6/10)

**Who Is the Company Behind GTM Studio - Powered by ZoomInfo?**

- **Seller:** [ZoomInfo](https://www.g2.com/sellers/zoominfo-26a9872a-d61e-4832-ab53-5e972b230706)
- **Company Website:** https://www.zoominfo.com/
- **Year Founded:** 2000
- **HQ Location:** Vancouver, WA
- **Twitter:** @ZoomInfo (23,515 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/zoominfo/ (4,221 employees on LinkedIn®)

**Who Uses This Product?**
  - **Top Industries:** Information Technology and Services, Computer Software
  - **Company Size:** 63% Mid-Market, 24% Enterprise


#### What Are GTM Studio - Powered by ZoomInfo's Pros and Cons?

**Pros:**

- Features (28 reviews)
- Lead Generation (27 reviews)
- Ease of Use (25 reviews)
- Data Accuracy (21 reviews)
- Data Quality (21 reviews)

**Cons:**

- Expensive (17 reviews)
- Data Inaccuracy (13 reviews)
- Cost (12 reviews)
- Complexity (10 reviews)
- Learning Curve (10 reviews)

### 8. [Waalaxy](https://www.g2.com/products/waalaxy/reviews)
  Waalaxy is a software designed to help professionals and organizations identify, contact, and manage relationships with prospects and candidates through LinkedIn and email outreach. The software provides multichannel sequence building that combines LinkedIn connection requests, messages, and email follow-ups by leveraging direct integration with the LinkedIn interface and data enrichment to discover verified professional emails. It automates repetitive outreach tasks and reduces manual effort by enabling users to run structured campaigns across a larger number of contacts without requiring technical expertise. Waalaxy addresses the challenge of organizing and scaling LinkedIn-based prospecting by offering shared lead lists, user permissions, and activity tracking that prevent duplicate outreach and maintain campaign consistency across teams. The software supports founders, sales representatives, and recruiters through integrations with CRM platforms including HubSpot and Pipedrive, as well as automation tools such as Zapier and Make, serving more than 150,000 professionals worldwide.


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 1,307
**How Do G2 Users Rate Waalaxy?**

- **Has the product been a good partner in doing business?:** 8.6/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.4/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.2/10 (Category avg: 8.7/10)
- **Lead Analysis:** 7.9/10 (Category avg: 8.6/10)

**Who Is the Company Behind Waalaxy?**

- **Seller:** [Waalaxy](https://www.g2.com/sellers/waalaxy)
- **Company Website:** https://www.waalaxy.com/
- **Year Founded:** 2019
- **HQ Location:** Montpellier, Herault
- **Twitter:** @waalaxy (116 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/waalaxyen/ (40 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Founder, CEO
  - **Top Industries:** Marketing and Advertising, Information Technology and Services
  - **Company Size:** 76% Small-Business, 8% Mid-Market


#### What Are Waalaxy's Pros and Cons?

**Pros:**

- Ease of Use (188 reviews)
- Easy Setup (126 reviews)
- Automation (114 reviews)
- LinkedIn Integration (97 reviews)
- Time-saving (84 reviews)

**Cons:**

- Expensive (30 reviews)
- Campaign Management (22 reviews)
- LinkedIn Integration (21 reviews)
- Missing Features (21 reviews)
- Plan Limitations (19 reviews)

### 9. [6sense Sales Intelligence](https://www.g2.com/products/6sense-sales/reviews)
  6sense Sales Intelligence is a software designed to help B2B sales teams identify in-market accounts, understand buyer intent, and engage prospects with the right message at the right moment as part of the broader 6sense Revenue AI platform. The software provides enriched contact profiles including verified emails and phone numbers, predictive account scoring, and automated Sales Alerts by leveraging the proprietary 6AI engine that analyzes trillions of daily buyer signals across intent behavior, firmographics, technographics, and engagement patterns. It automates account prioritization and next-action recommendations and reduces time spent on unqualified outreach by surfacing only the accounts most ready to buy based on buying stage and likelihood to convert. 6sense Sales Intelligence addresses the inefficiency of traditional lead-based prospecting by embedding predictive intelligence directly into seller workflows through Sales Copilot, intelligent workflows, and AI-recommended actions. The software supports mid-market and enterprise revenue teams through integrations with leading CRMs, sales engagement platforms, and marketing automation tools, enabling account-centric go-to-market execution across channels.


  **Average Rating:** 4.0/5.0
  **Total Reviews:** 941
**How Do G2 Users Rate 6sense Sales Intelligence?**

- **Has the product been a good partner in doing business?:** 8.8/10 (Category avg: 9.3/10)
- **Lead Quality:** 6.8/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 6.9/10 (Category avg: 8.7/10)
- **Lead Analysis:** 7.2/10 (Category avg: 8.6/10)

**Who Is the Company Behind 6sense Sales Intelligence?**

- **Seller:** [6sense](https://www.g2.com/sellers/6sense)
- **Company Website:** https://www.6sense.com
- **Year Founded:** 2013
- **HQ Location:** San Francisco, CA
- **Twitter:** @6senseInc (16,914 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/3677944/ (1,576 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, Sales Development Representative
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 51% Mid-Market, 35% Enterprise


#### What Are 6sense Sales Intelligence's Pros and Cons?

**Pros:**

- Lead Generation (177 reviews)
- Intent Data (176 reviews)
- Buyer Intent (174 reviews)
- Prospecting (110 reviews)
- Ease of Use (97 reviews)

**Cons:**

- Inaccurate Data (131 reviews)
- Data Quality (76 reviews)
- Accuracy Issues (70 reviews)
- Learning Difficulty (70 reviews)
- Lead Quality (68 reviews)

### 10. [Instantly](https://www.g2.com/products/instantly/reviews)
  Instantly is a software designed to turn leads into clients through automated cold email outreach, a built-in B2B lead database, sales engagement tools, and an AI-powered CRM under a single flat-fee subscription. The software provides campaign creation, multi-account email sending, and a deliverability network by leveraging automated warm-up technology and AI to maximize inbox placement and protect sender reputation. It automates the outreach sequence process and reduces the friction of managing multiple sending accounts and tracking lead engagement across campaigns. Instantly addresses the challenge of scaling cold email outreach affordably by consolidating lead finding, campaign management, and CRM functionality into one straightforward platform accessible to solopreneurs and agencies alike. The software supports over 35,000 customers across small businesses and agencies with a simple setup process and responsive customer support focused on cold email performance.


  **Average Rating:** 4.8/5.0
  **Total Reviews:** 4,109
**How Do G2 Users Rate Instantly?**

- **Has the product been a good partner in doing business?:** 9.5/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.0/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.9/10 (Category avg: 8.7/10)
- **Lead Analysis:** 9.0/10 (Category avg: 8.6/10)

**Who Is the Company Behind Instantly?**

- **Seller:** [Instantly](https://www.g2.com/sellers/instantly)
- **Company Website:** https://instantly.ai
- **Year Founded:** 2001
- **HQ Location:** Sheridan, US
- **LinkedIn® Page:** https://www.linkedin.com/company/instantlyapp/ (275 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Founder, CEO
  - **Top Industries:** Marketing and Advertising, Computer Software
  - **Company Size:** 93% Small-Business, 5% Mid-Market


#### What Are Instantly's Pros and Cons?

**Pros:**

- Ease of Use (686 reviews)
- Helpful (497 reviews)
- Customer Support (491 reviews)
- Features (367 reviews)
- Time-saving (354 reviews)

**Cons:**

- Expensive (198 reviews)
- Missing Features (108 reviews)
- Learning Curve (105 reviews)
- Email Issues (104 reviews)
- Lead Quality (100 reviews)

### 11. [Mr. E by EasyLeadz](https://www.g2.com/products/mr-e-by-easyleadz/reviews)
  Mr. E by EasyLeadz is a software designed to help sales professionals, recruiters, and marketers find direct B2B mobile contact numbers for prospects with a single click. The software provides direct dial mobile numbers and business profile enrichment by leveraging a high-accuracy contact database and a browser extension compatible with LinkedIn, Zaubacorp, Tofler, Instafinancial, and Crunchbase. It automates the process of finding and verifying direct contact numbers and reduces the time required to manually research and confirm prospect phone details. Mr. E by EasyLeadz addresses the challenge of reaching decision-makers directly by enriching business profiles with accurate direct dials that bypass switchboards and gatekeepers. The software supports over 10,000 sales representatives, recruitment managers, and marketers at organizations ranging from small businesses to enterprises including Amazon, Microsoft, and Salesforce.


  **Average Rating:** 4.6/5.0
  **Total Reviews:** 1,917
**How Do G2 Users Rate Mr. E by EasyLeadz?**

- **Has the product been a good partner in doing business?:** 8.7/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.8/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.6/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.7/10 (Category avg: 8.6/10)

**Who Is the Company Behind Mr. E by EasyLeadz?**

- **Seller:** [EasyLeadz](https://www.g2.com/sellers/easyleadz)
- **Year Founded:** 2016
- **HQ Location:** Delhi, New Delhi
- **Twitter:** @easyleadz (199 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/easyleadz/ (33 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Student, Business Development Manager
  - **Top Industries:** Information Technology and Services, Marketing and Advertising
  - **Company Size:** 59% Small-Business, 26% Mid-Market


#### What Are Mr. E by EasyLeadz's Pros and Cons?

**Pros:**

- Ease of Use (233 reviews)
- Contact Information (192 reviews)
- Accuracy (99 reviews)
- Lead Generation (87 reviews)
- Easy Setup (76 reviews)

**Cons:**

- Limited Credits (137 reviews)
- Credit Limitations (84 reviews)
- Expensive (66 reviews)
- Limited Contacts (30 reviews)
- Limited Free Access (22 reviews)

### 12. [Lusha](https://www.g2.com/products/lusha/reviews)
  Lusha is a software designed to give sales, marketing, and RevOps teams accurate B2B contact and company data so they can reach decision-makers faster. The software provides direct dials, business emails, and enriched company profiles by leveraging a GDPR-compliant contact database combined with AI-driven automation and live prospect streaming. It automates list building and data enrichment workflows and reduces the time teams spend manually sourcing and verifying contact information across the funnel. Lusha addresses the challenge of reaching qualified decision-makers quickly by delivering verified, compliance-ready contact data that integrates directly into existing revenue workflows. The software supports over 2.6 million users worldwide across sales, marketing, and revenue operations teams with enrichment capabilities spanning the APAC, Middle East, and global markets.


  **Average Rating:** 4.3/5.0
  **Total Reviews:** 1,602
**How Do G2 Users Rate Lusha?**

- **Has the product been a good partner in doing business?:** 8.5/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.1/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.2/10 (Category avg: 8.7/10)
- **Lead Analysis:** 7.9/10 (Category avg: 8.6/10)

**Who Is the Company Behind Lusha?**

- **Seller:** [Lusha](https://www.g2.com/sellers/lusha)
- **Company Website:** https://www.lusha.com/lusha-extension/
- **Year Founded:** 2016
- **HQ Location:** Boston, Massachusetts
- **Twitter:** @LushaData (2,715 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/lushadata/ (359 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, Sales Development Representative
  - **Top Industries:** Information Technology and Services, Computer Software
  - **Company Size:** 47% Mid-Market, 39% Small-Business


#### What Are Lusha's Pros and Cons?

**Pros:**

- Ease of Use (66 reviews)
- Contact Information (62 reviews)
- Data Accuracy (54 reviews)
- Accuracy (46 reviews)
- Lead Generation (46 reviews)

**Cons:**

- Data Inaccuracy (38 reviews)
- Outdated Data (31 reviews)
- Inaccurate Data (30 reviews)
- Outdated Information (29 reviews)
- Limited Credits (28 reviews)

### 13. [FullEnrich](https://www.g2.com/products/fullenrich/reviews)
  FullEnrich is a software designed to help B2B sales and go-to-market teams find verified business emails and mobile phone numbers for prospects at the highest match rates on the market. The software provides contact enrichment by aggregating 20 or more premium data providers into a single waterfall workflow, so if one source cannot find a prospect another automatically takes over, delivering verified emails and direct dials across the US, EMEA, APAC, and LATAM. It automates the enrichment of CSV lists and CRM records and reduces wasted spend through credit-based pricing that charges only for successful matches. FullEnrich addresses the limitations of single-source enrichment tools by combining the best data each provider can offer into one unified call, consistently outperforming individual tools on match rate and global coverage. The software supports sales teams, RevOps, growth marketers, ABM teams, and recruiters through bulk CSV uploads, a real-time API, and native integrations with HubSpot and other CRM platforms.


  **Average Rating:** 4.8/5.0
  **Total Reviews:** 204
**How Do G2 Users Rate FullEnrich?**

- **Has the product been a good partner in doing business?:** 9.4/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.2/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 9.3/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.0/10 (Category avg: 8.6/10)

**Who Is the Company Behind FullEnrich?**

- **Seller:** [FullEnrich](https://www.g2.com/sellers/fullenrich)
- **Company Website:** https://fullenrich.com/
- **Year Founded:** 2023
- **HQ Location:** San Fransisco, US
- **Twitter:** @FullEnrich (70 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/fullenrich/ (64 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** CEO, Founder
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 78% Small-Business, 13% Mid-Market


#### What Are FullEnrich's Pros and Cons?

**Pros:**

- Ease of Use (25 reviews)
- Data Accuracy (19 reviews)
- Accuracy (18 reviews)
- Contact Information (18 reviews)
- Speed (14 reviews)

**Cons:**

- Expensive (8 reviews)
- Incorrect Numbers (8 reviews)
- Integration Issues (4 reviews)
- Missing Emails (4 reviews)
- LinkedIn Integration (3 reviews)

### 14. [Prospeo.io](https://www.g2.com/products/prospeo-io/reviews)
  Prospeo is a B2B sales intelligence and data enrichment platform that helps revenue teams find verified contacts, build targeted prospect lists, and push clean data directly into their sales workflows. Unlike legacy providers that charge six-figure contracts for stale data, Prospeo delivers enterprise-grade accuracy at a fraction of the cost — with every email and mobile number verified before delivery. Prospeo serves sales development representatives, account executives, outbound agencies, founders, and revenue operations teams at B2B organizations of all sizes. Teams use Prospeo to build high-quality lead lists, enrich CRM and CSV records in bulk, and eliminate the manual data cleanup that slows down outbound execution. Key capabilities include: Data and targeting: Access to 300M+ verified profiles, 143M verified emails, and 125M+ verified mobile numbers, filtered through 30+ advanced search dimensions including buyer intent, technographics, headcount growth by department, job change tracking, funding stage, and revenue range. Enrichment and data quality: Bulk enrichment of CRM records and CSVs with 50+ verified data points per contact. Prospeo&#39;s proprietary 5-step verification process delivers 98% data accuracy, and credits are only charged for verified results — no spend wasted on stale or not-found contacts. Prospecting and list building: Tools to search, filter, and export targeted prospect lists in seconds. A Chrome extension captures verified contact data directly from LinkedIn, company websites, GitHub, and Twitter without leaving the browser. Integrations and API: Native HubSpot and Salesforce integrations, plus connections to Clay, Zapier, and Instantly. A developer-friendly Search and Enrich API delivers clean JSON responses with millisecond latency and 99.99% uptime, making it easy to embed Prospeo into any existing sales stack. Data freshness: The entire database is refreshed on a weekly 7-day cycle — compared to the monthly or quarterly refreshes typical of legacy platforms — ensuring fewer bounced emails, fewer disconnected numbers, and less time spent on outdated records. By combining verified data, real-time enrichment, and direct CRM integration in one platform, Prospeo is designed to eliminate the gap between list building and outbound execution. This helps teams improve deliverability, increase connect rates, and spend more time selling instead of fixing data.


  **Average Rating:** 4.6/5.0
  **Total Reviews:** 236
**How Do G2 Users Rate Prospeo.io?**

- **Has the product been a good partner in doing business?:** 9.0/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.2/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 9.4/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.9/10 (Category avg: 8.6/10)

**Who Is the Company Behind Prospeo.io?**

- **Seller:** [Prospeo](https://www.g2.com/sellers/prospeo)
- **Company Website:** https://www.prospeo.io
- **Year Founded:** 2019
- **HQ Location:** Toronto, CA
- **LinkedIn® Page:** http://www.linkedin.com/company/prospeo-radom (31 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Founder, Owner
  - **Top Industries:** Marketing and Advertising, Computer Software
  - **Company Size:** 88% Small-Business, 10% Mid-Market


#### What Are Prospeo.io's Pros and Cons?

**Pros:**

- Ease of Use (13 reviews)
- Data Accuracy (12 reviews)
- Customer Support (11 reviews)
- Lead Generation (11 reviews)
- LinkedIn Integration (9 reviews)

**Cons:**

- Expensive (5 reviews)
- Verification Issues (3 reviews)
- Inaccuracy (2 reviews)
- Limited Credits (2 reviews)
- LinkedIn Integration (2 reviews)

### 15. [Success.ai](https://www.g2.com/products/success-ai/reviews)
  Success.ai is a software designed to help sales teams, marketers, agencies, and entrepreneurs scale B2B lead generation and email outreach through an AI-driven platform with unlimited access to over 700 million verified contacts. The software provides AI-powered email writing, automated email warm-up, a unified inbox, and multichannel outreach across email, LinkedIn, and phone by leveraging AI technology to personalize campaigns and improve deliverability at scale. It automates the lead identification and outreach workflow and reduces the time and effort required to engage potential clients by consolidating contact data, campaign management, and CRM integration into one platform. Success.ai addresses the challenge of scaling outbound sales campaigns by enabling unlimited email sending across multiple accounts with automated warm-up services that protect deliverability and keep messages out of spam filters. The software supports outbound sales campaigns with real-time analytics, CRM integration, and a flat-fee subscription structure that makes high-volume prospecting accessible to small businesses and agencies.


  **Average Rating:** 4.8/5.0
  **Total Reviews:** 274
**How Do G2 Users Rate Success.ai?**

- **Has the product been a good partner in doing business?:** 9.7/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.5/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 9.5/10 (Category avg: 8.7/10)
- **Lead Analysis:** 9.5/10 (Category avg: 8.6/10)

**Who Is the Company Behind Success.ai?**

- **Seller:** [Success AI](https://www.g2.com/sellers/success-ai)
- **HQ Location:** Sheridan, WY
- **LinkedIn® Page:** https://www.linkedin.com/company/success-ai/ (87 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Virtual Assistant, Founder
  - **Top Industries:** Marketing and Advertising, Information Technology and Services
  - **Company Size:** 82% Small-Business, 17% Mid-Market


#### What Are Success.ai's Pros and Cons?

**Pros:**

- Ease of Use (123 reviews)
- Automation AI (99 reviews)
- Lead Generation (88 reviews)
- Time-saving (78 reviews)
- Efficiency (75 reviews)

**Cons:**

- Learning Curve (56 reviews)
- Learning Difficulty (37 reviews)
- Slow Loading (30 reviews)
- Missing Features (28 reviews)
- Limited Customization (24 reviews)

### 16. [Similarweb Sales Intelligence](https://www.g2.com/products/similarweb-sales-intelligence/reviews)
  Similarweb’s Sales Intelligence is the ultimate solution for selling to online businesses. It provides comprehensive 360-degree insights into any website, and helps you uncover new prospects, evaluate their performance, and connect with key decision-makers with the most up-to-date contact data available. That’s not all, SAM, your AI-assistant does the heavy lifting for you, SAM helps you do research on any prospect or customer, prepare for meetings, and curate the perfect data-driven outreach message - all in a few clicks. Overall, with Similarweb&#39;s Sales Solutions, you can: - Find prospects who match your ideal customer profile from Similarweb’s database of over 100M websites - Strengthen the quality of your pipeline and prioritize outreach by adding more relevant data points to leads with Lead Enrichment - Monitor your accounts to stay on top of new and upsell business opportunities with alerts - Deep dive into your prospects digital performance and strategy to better understand how your solution can help - Improve your client response with insights unique to your client, backed by trusted data - Reach out directly to decision-makers with their direct contact information


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 227
**How Do G2 Users Rate Similarweb Sales Intelligence?**

- **Has the product been a good partner in doing business?:** 8.5/10 (Category avg: 9.3/10)
- **Lead Quality:** 7.9/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.0/10 (Category avg: 8.7/10)
- **Lead Analysis:** 7.9/10 (Category avg: 8.6/10)

**Who Is the Company Behind Similarweb Sales Intelligence?**

- **Seller:** [Similarweb](https://www.g2.com/sellers/similarweb)
- **Year Founded:** 2007
- **HQ Location:** New York
- **Twitter:** @Similarweb (62,619 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/429838/ (1,264 employees on LinkedIn®)
- **Ownership:** NYSE: SMWB

**Who Uses This Product?**
  - **Who Uses This:** Account Executive
  - **Top Industries:** Marketing and Advertising, Computer Software
  - **Company Size:** 47% Mid-Market, 27% Small-Business


#### What Are Similarweb Sales Intelligence's Pros and Cons?

**Pros:**

- Ease of Use (3 reviews)
- Time-saving (3 reviews)
- Chrome Extension (2 reviews)
- Data Accuracy (2 reviews)
- Features (2 reviews)

**Cons:**

- Complexity (1 reviews)
- Complex Usability (1 reviews)
- Data Accuracy (1 reviews)
- Data Inaccuracy (1 reviews)
- Inaccurate Data (1 reviews)

### 17. [Grata](https://www.g2.com/products/grata/reviews)
  Grata is a software designed to help investors, investment bankers, and corporate acquirers gain complete and verified visibility into private market companies, relationships, and deal opportunities. The software provides a database of over 22 million companies, 10 million executive contacts, and 1 million financial transactions by leveraging M&amp;A-trained AI agents that synthesize dozens of disparate sources and a dedicated human research team that continuously validates accuracy to 99%. It automates the synthesis of private market intelligence from gated European financial filings, unreported valuations, and private conference data and reduces the noise created by inaccurate or incomplete alternative data sources. Grata addresses the private market visibility problem by combining exclusive data assets including live deals submitted by investment bankers, verified advisor relationships through MergerLinks, and Datasite ecosystem intelligence into a single decision-ready platform. The software supports dealmakers through a web platform, API access for custom systems, and direct CRM sync, making verified private market intelligence accessible however teams prefer to work.


  **Average Rating:** 4.9/5.0
  **Total Reviews:** 81
**How Do G2 Users Rate Grata?**

- **Has the product been a good partner in doing business?:** 9.6/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.1/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 9.1/10 (Category avg: 8.7/10)
- **Lead Analysis:** 9.1/10 (Category avg: 8.6/10)

**Who Is the Company Behind Grata?**

- **Seller:** [Grata](https://www.g2.com/sellers/grata)
- **Company Website:** https://grata.com
- **Year Founded:** 2016
- **HQ Location:** New York, NY
- **Twitter:** @grata_inc (176 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/grata-data/ (229 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Associate, Managing Partner
  - **Top Industries:** Venture Capital &amp; Private Equity, Financial Services
  - **Company Size:** 75% Small-Business, 16% Mid-Market


#### What Are Grata's Pros and Cons?

**Pros:**

- Ease of Use (25 reviews)
- Search Functionality (25 reviews)
- Filtering Features (20 reviews)
- Customer Support (17 reviews)
- Functionality (17 reviews)

**Cons:**

- Data Inaccuracy (18 reviews)
- Inaccuracy (9 reviews)
- Limited Data (8 reviews)
- Company Exclusion (6 reviews)
- Data Incompleteness (5 reviews)

### 18. [Amplemarket](https://www.g2.com/products/amplemarket/reviews)
  By combining premium data, multichannel engagement, and real-time insights in one seamless solution, Duo AI Copilot and AI Agent redefine how modern sales teams operate. Duo uncovers hidden opportunities, detects buyer intent signals, and generates tailored playbooks - empowering your reps to focus on what matters most: building relationships and closing deals. It’s the perfect fusion of AI precision and human intuition. Built on an all-in-one sales platform, Duo AI Agents support your entire outbound workflow - from prospecting and engagement to automation and deliverability. What’s included in the platform: - Global B2B data to help you identify and reach your ideal customers - Multichannel outreach via email, phone, social, voice cloning, and more - Built-in personalization to scale relevant, high-converting messaging - AI superpowers: A suite of personalized AI Agents that handles research, intent signals, and workflows - so you spend less time prepping and more time selling


  **Average Rating:** 4.6/5.0
  **Total Reviews:** 617
**How Do G2 Users Rate Amplemarket?**

- **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.7/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.6/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.4/10 (Category avg: 8.6/10)

**Who Is the Company Behind Amplemarket?**

- **Seller:** [Amplemarket](https://www.g2.com/sellers/amplemarket)
- **Year Founded:** 2019
- **HQ Location:** San Francisco, California
- **Twitter:** @amplemarket (2,569 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** SDR, Account Executive
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 45% Small-Business, 42% Mid-Market


#### What Are Amplemarket's Pros and Cons?

**Pros:**

- Ease of Use (150 reviews)
- Helpful (135 reviews)
- Features (125 reviews)
- Automation (122 reviews)
- Lead Generation (111 reviews)

**Cons:**

- Missing Features (56 reviews)
- Learning Curve (32 reviews)
- Improvement Needed (31 reviews)
- Sequence Issues (28 reviews)
- Integration Issues (26 reviews)

### 19. [Wiza](https://www.g2.com/products/wiza/reviews)
  Founded in 2019, with offices in New York City and Toronto, Wiza is a leading sales-intelligence platform serving nearly 500,000 individuals and over 50,000 companies globally. Wiza primarily serves sales, recruiting, and marketing teams, providing a reliable and efficient source of 100% verified email addresses and phone numbers for B2B outreach. Wiza has developed a proprietary AI-driven approach to live-source contacts and their contact information in real-time, leveraging Linkedin to ensure accuracy regarding where somebody is employed at any given moment. Zero bounces. Zero inaccurate jobs. ~3x the contacts as leading database providers.


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 1,210
**How Do G2 Users Rate Wiza?**

- **Has the product been a good partner in doing business?:** 8.8/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.4/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.2/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.0/10 (Category avg: 8.6/10)

**Who Is the Company Behind Wiza?**

- **Seller:** [Wiza](https://www.g2.com/sellers/wiza)
- **Company Website:** https://wiza.com
- **Year Founded:** 2019
- **HQ Location:** Newark, DE
- **Twitter:** @wiza_co (632 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/wizainc (53 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** CEO, Founder
  - **Top Industries:** Marketing and Advertising, Staffing and Recruiting
  - **Company Size:** 73% Small-Business, 19% Mid-Market


#### What Are Wiza's Pros and Cons?

**Pros:**

- Ease of Use (427 reviews)
- Contact Information (322 reviews)
- LinkedIn Integration (192 reviews)
- Accuracy (161 reviews)
- Simple (151 reviews)

**Cons:**

- Expensive (157 reviews)
- Limited Credits (127 reviews)
- Limited Contacts (65 reviews)
- Credit Limitations (64 reviews)
- Inaccurate Data (57 reviews)

### 20. [A-Leads](https://www.g2.com/products/a-leads-a-leads/reviews)
  A-Leads is a type of lead generation solution designed to help businesses acquire high-quality leads while ensuring they only pay for successful outcomes. This innovative platform focuses on delivering accurate and up-to-date contact information, allowing companies to streamline their marketing efforts and maximize their return on investment. By eliminating charges for errors, A-Leads provides users with a reliable data source that can enhance their sales and marketing strategies. Targeted primarily at sales teams, marketing professionals, business development managers and recruiters, A-Leads caters to organizations of all sizes looking to improve their lead generation processes. The platform is particularly beneficial for businesses that rely heavily on data-driven decision-making and need to ensure that their outreach efforts are directed toward the right audience. With its user-friendly interface and robust features, A-Leads simplifies the process of finding and engaging potential customers. One of the standout features of A-Leads is its commitment to data accuracy. The platform employs advanced algorithms and data verification processes to ensure that users receive only the most current and relevant leads. This focus on reliability means that businesses can spend less time sifting through outdated or incorrect information and more time engaging with prospects who are genuinely interested in their products or services. Additionally, the pay-for-performance model allows users to invest their marketing budgets more effectively, as they are only charged for leads that convert into tangible results. Another key benefit of A-Leads is its scalability. Whether a business is looking to generate a handful of leads or thousands, the platform can adapt to meet varying demands. Users can customize their lead generation campaigns based on specific criteria, such as industry, location, or company size, ensuring that they reach the right audience. This flexibility allows businesses to fine-tune their marketing strategies and achieve better outcomes over time. Overall, A-Leads stands out in the lead generation category by prioritizing data integrity and user satisfaction. Its innovative approach to lead acquisition not only saves time and resources but also empowers businesses to make informed decisions based on accurate insights. By leveraging the power of reliable data, organizations can enhance their sales efforts and ultimately drive growth. Fully GDPR &amp; CCPA Compliant


  **Average Rating:** 4.9/5.0
  **Total Reviews:** 275
**How Do G2 Users Rate A-Leads?**

- **Has the product been a good partner in doing business?:** 9.6/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.9/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 9.9/10 (Category avg: 8.7/10)
- **Lead Analysis:** 9.9/10 (Category avg: 8.6/10)

**Who Is the Company Behind A-Leads?**

- **Seller:** [A-Leads](https://www.g2.com/sellers/a-leads)
- **Year Founded:** 2024
- **HQ Location:** California, US
- **LinkedIn® Page:** https://www.linkedin.com/company/a-leadsdata (11 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** CEO, Director
  - **Top Industries:** Information Technology and Services, Marketing and Advertising
  - **Company Size:** 50% Mid-Market, 33% Small-Business


#### What Are A-Leads's Pros and Cons?

**Pros:**

- Ease of Use (129 reviews)
- Lead Generation (126 reviews)
- Time-saving (99 reviews)
- Data Accuracy (89 reviews)
- Efficiency (79 reviews)

**Cons:**

- Limited Features (34 reviews)
- Poor UI (25 reviews)
- Filtering Difficulty (24 reviews)
- Poor Filtering (18 reviews)
- Filtering Issues (17 reviews)

### 21. [Clearbit](https://www.g2.com/products/clearbit/reviews)
  Clearbit Enrichment instantly appends 100+ data points on a company, its technology, and its employees to every record you own — so you can turn leads into customers sooner. • Integrates seamlessly with HubSpot to automate and optimize your workflows. • Stop missing valuable leads — with immediate context you need to score, route, and speed up the buyer&#39;s journey. • Shorten forms: Hide or autofill known fields to increase conversions. • Draw from a reliable, accurate source: Act on fresh business data — optimized with machine learning algorithms and highly trained QA — for not just the Fortune 500 set, but every company with a website. • Clearbit Reveal detects the companies visiting and expressing intent on your site. Easily identify and sync these enriched companies directly to HubSpot


  **Average Rating:** 4.4/5.0
  **Total Reviews:** 624
**How Do G2 Users Rate Clearbit?**

- **Has the product been a good partner in doing business?:** 8.9/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.5/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.7/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.5/10 (Category avg: 8.6/10)

**Who Is the Company Behind Clearbit?**

- **Seller:** [HubSpot](https://www.g2.com/sellers/hubspot)
- **Year Founded:** 2006
- **HQ Location:** Cambridge, Massachusetts, United States
- **Twitter:** @HubSpot (784,409 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/68529/ (12,158 employees on LinkedIn®)
- **Ownership:** NYSE:HUBS

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, Founder
  - **Top Industries:** Computer Software, Marketing and Advertising
  - **Company Size:** 51% Small-Business, 44% Mid-Market


#### What Are Clearbit's Pros and Cons?

**Pros:**

- User Interface (3 reviews)
- Accuracy (2 reviews)
- Accuracy of Information (2 reviews)
- Ease of Use (2 reviews)
- Easy Implementation (2 reviews)

**Cons:**

- Expensive (1 reviews)
- Inaccurate Data (1 reviews)
- Inaccurate Information (1 reviews)
- Incorrect Company Information (1 reviews)
- Incorrect Information (1 reviews)

### 22. [Surfe](https://www.g2.com/products/surfe/reviews)
  Surfe is a leading B2B enrichment platform that helps sales teams find, verify, and sync contact data. Powered by waterfall enrichment technology, Surfe automatically combines data from multiple trusted providers to achieve global coverage and find rates of up to 93%; ensuring your CRM always reflects the most accurate and up-to-date information. Surfe can be accessed through three flexible platforms, built to fit any sales workflow: Surfe App – A purpose-built contact enrichment workspace that allows you to search, enrich, and export prospects at scale. Sync enriched data directly to your CRM, push it into your sequences, or download it as a CSV. Chrome Extension – A one-click enrichment tool that lets you capture and enrich contact data directly from LinkedIn. No tab switching, no extra steps. Surfe API – For teams that need automation and scale. Handle bulk enrichment requests of up to 500,000 per hour with sub-500 ms response times, embedding Surfe directly into your data pipelines or internal tools. Compatible with HubSpot, Salesforce, Pipedrive, Copper, Salesloft, and Outreach, Surfe eliminates manual data entry, improves CRM accuracy, and gives revenue teams full confidence in their data. Trusted by leading companies including Uber, Google, Spendesk, Rakuten, Bolt, and thousands more, Surfe helps sales teams enrich smarter, sell faster, and operate with data they can rely on. As a GDPR-compliant and ISO 27001-certified provider, Surfe ensures your contact data is structured, enriched, and protected.


  **Average Rating:** 4.6/5.0
  **Total Reviews:** 464
**How Do G2 Users Rate Surfe?**

- **Has the product been a good partner in doing business?:** 8.7/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.3/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.6/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.8/10 (Category avg: 8.6/10)

**Who Is the Company Behind Surfe?**

- **Seller:** [Surfe](https://www.g2.com/sellers/surfe)
- **Company Website:** https://www.surfe.com
- **Year Founded:** 2020
- **HQ Location:** Paris, FR
- **Twitter:** @surfehq (133 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/surfe/ (75 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** CEO, Founder
  - **Top Industries:** Computer Software, Consulting
  - **Company Size:** 82% Small-Business, 14% Mid-Market


#### What Are Surfe's Pros and Cons?

**Pros:**

- CRM Integration (168 reviews)
- LinkedIn Integration (148 reviews)
- Ease of Use (138 reviews)
- Integrations (103 reviews)
- Time-saving (93 reviews)

**Cons:**

- Expensive (41 reviews)
- Limited Credits (28 reviews)
- Credit Limitations (20 reviews)
- Lead Management Issues (18 reviews)
- Integration Issues (17 reviews)

### 23. [ReachStream](https://www.g2.com/products/reachstream/reviews)
  ReachStream is a B2B (business-to-business) data solutions provider that offers high-quality and accurate data for marketing and sales purposes. It provides businesses with access to a wide range of data, including contact information, company details, and more, to help them identify and target their ideal prospects. ReachStream&#39;s data is designed to empower data-driven marketing and sales efforts, enabling businesses to reach their target audience effectively, nurture leads, and ultimately drive revenue growth. The platform is especially valuable in today&#39;s dynamic business landscape, where having up-to-date and comprehensive data is essential for success.


  **Average Rating:** 4.8/5.0
  **Total Reviews:** 51
**How Do G2 Users Rate ReachStream?**

- **Has the product been a good partner in doing business?:** 8.8/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.2/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.8/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.7/10 (Category avg: 8.6/10)

**Who Is the Company Behind ReachStream?**

- **Seller:** [ReachStream](https://www.g2.com/sellers/reachstream)
- **Year Founded:** 2017
- **HQ Location:** Santa Clara
- **LinkedIn® Page:** https://www.linkedin.com/company/reachstream/ (32 employees on LinkedIn®)

**Who Uses This Product?**
  - **Top Industries:** Marketing and Advertising, Information Technology and Services
  - **Company Size:** 54% Mid-Market, 50% Small-Business


#### What Are ReachStream's Pros and Cons?

**Pros:**

- Data Accuracy (17 reviews)
- Lead Generation (13 reviews)
- Ease of Use (12 reviews)
- Time-saving (11 reviews)
- Accuracy of Information (9 reviews)

**Cons:**

- Integration Issues (5 reviews)
- Missing Emails (3 reviews)
- Slow Loading (3 reviews)
- Slow Performance (3 reviews)
- Verification Issues (3 reviews)

### 24. [ZeroBounce](https://www.g2.com/products/zerobounce/reviews)
  ZeroBounce is an award-winning email verification and deliverability platform helping 400,000+ customers improve their email ROI and inbox placement. Its premier deliverability services include: 99% accurate email validation - Remove outdated and risky email addresses to lower email bounce rates and maintain a positive sender reputation. Email Finder - Find new, valid business email addresses and scale your B2B outreach DMARC Monitor - Secure your emails and prevent phishing scams with unlimited email monitoring, security alerts, and automated reporting Email Deliverability Tools - Improve inbox visibility with customized toolkits. Includes email server testing, inbox placement testing, Email Finder, and DMARC Monitoring Activity Data &amp; Email Scoring - Find your most active email subscribers with Activity Data. Additionally, Email Scoring service provides more in-depth insights about your email list to help you achieve email success. ZeroBounce has validated 25+ billion emails and serves companies of all sizes, from solo business owners to Amazon, Disney, Netflix, and Sephora. The platform ensures military-grade security and is GDPR, SOC 2 Type II, ISO-27001-certified, and fully HIPAA compliant.


  **Average Rating:** 4.7/5.0
  **Total Reviews:** 1,354
**How Do G2 Users Rate ZeroBounce?**

- **Has the product been a good partner in doing business?:** 9.5/10 (Category avg: 9.3/10)
- **Lead Quality:** 9.3/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 9.1/10 (Category avg: 8.7/10)
- **Lead Analysis:** 9.3/10 (Category avg: 8.6/10)

**Who Is the Company Behind ZeroBounce?**

- **Seller:** [ZeroBounce](https://www.g2.com/sellers/zerobounce)
- **Company Website:** https://www.zerobounce.net
- **Year Founded:** 2015
- **HQ Location:** Santa Barbara, California
- **Twitter:** @zerobounce1 (657 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/18249430/ (103 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Marketing Manager, CEO
  - **Top Industries:** Marketing and Advertising, Information Technology and Services
  - **Company Size:** 29% Small-Business, 11% Mid-Market


#### What Are ZeroBounce's Pros and Cons?

**Pros:**

- Accuracy (434 reviews)
- Ease of Use (403 reviews)
- Data Accuracy (249 reviews)
- Email Verification (204 reviews)
- Deliverability Improvement (179 reviews)

**Cons:**

- Expensive (159 reviews)
- Inaccuracy (54 reviews)
- Verification Issues (53 reviews)
- Credit Limitations (49 reviews)
- Insufficient Data (49 reviews)

### 25. [Demandbase One](https://www.g2.com/products/demandbase-one/reviews)
  Demandbase is the leading, enterprise-grade account-based GTM platform for sales and marketing teams designed to make every moment and every dollar count. Since creating the category in 2013, we have been pioneering technologies to sharpen revenue teams’ ability to confidently deliver the right message to the right customers at the right time. Powered by industry-leading data, our transparent and tunable AI-enhanced model, and integrations that meet your tech stack where it is, Demandbase helps you to take meaningful action confidently and efficiently. We know that there’s no such thing as ‘one-size- fits-all’ account-based marketing and sales. That’s why we built our platform to be flexible, easily handling dynamic GTM motions, nuanced business rules, and diverse integrations that others struggle with. Demandbase One™ is your account-based GTM command center, powering your entire revenue stack. Our AI-driven engine unifies first and third-party data, streamlines cross-channel execution, and connects the tools in your stack with the same data, insights, and workflows to accelerate your revenue.


  **Average Rating:** 4.4/5.0
  **Total Reviews:** 1,934
**How Do G2 Users Rate Demandbase One?**

- **Has the product been a good partner in doing business?:** 8.8/10 (Category avg: 9.3/10)
- **Lead Quality:** 8.1/10 (Category avg: 8.8/10)
- **Lead Enrichment:** 8.2/10 (Category avg: 8.7/10)
- **Lead Analysis:** 8.1/10 (Category avg: 8.6/10)

**Who Is the Company Behind Demandbase One?**

- **Seller:** [Demandbase](https://www.g2.com/sellers/demandbase)
- **Company Website:** https://www.demandbase.com
- **Year Founded:** 2005
- **HQ Location:** San Francisco, CA
- **Twitter:** @Demandbase (21,350 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/89759/ (992 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Account Executive, Business Development Representative
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 48% Mid-Market, 32% Enterprise


#### What Are Demandbase One's Pros and Cons?

**Pros:**

- Ease of Use (225 reviews)
- Lead Generation (201 reviews)
- Insights (199 reviews)
- Features (173 reviews)
- Intent Data (170 reviews)

**Cons:**

- Learning Curve (95 reviews)
- Steep Learning Curve (77 reviews)
- Complexity (70 reviews)
- Difficult Learning (63 reviews)
- Learning Difficulty (63 reviews)


    ## What Is Lead Intelligence Software?
  [Lead Generation Software](https://www.g2.com/categories/lead-generation)
  ## What Software Categories Are Similar to Lead Intelligence Software?
    - [Sales Intelligence Software](https://www.g2.com/categories/sales-intelligence)
    - [Lead Capture Software](https://www.g2.com/categories/lead-capture)
    - [Lead Mining Software](https://www.g2.com/categories/lead-mining)

  
---

## How Do You Choose the Right Lead Intelligence Software?

### What You Should Know About Lead Intelligence Software

### **Lead intelligence software buying insights at a glance**

[Lead intelligence software](https://www.g2.com/categories/lead-intelligence) helps revenue teams find and qualify the right people faster by combining contact and company data with enrichment and buying signals. These platforms consolidate essential details, including verified emails, direct dials, firmographics, and lead attributes, enabling sales, marketing, and RevOps teams to build targeted lists, enrich CRM records, and prioritize outreach without spending hours on manual research. In practice, lead intelligence tools serve as a bridge between prospecting and execution, enabling teams to transition from “who should we contact?” to “how do we engage them?” more quickly.

As outbound gets more competitive and data decays quickly, lead intelligence platforms have become essential for sales, marketing, and RevOps teams that need accurate contact data, clean targeting, and fast list building.&amp;nbsp;

Buyers usually adopt lead intelligence tools to solve problems like incomplete CRM records, slow prospecting, and low-quality leads that waste reps’ time. Based on G2 reviews, reviewers rate the products strongly overall, with an average star rating of 4.48/5 and an average likelihood to recommend of 9.01/10. Ease of use trends high (6.49/7), and support is also strong (6.40/7). The biggest buying pattern I see is that teams searching for the best lead intelligence software want two things at once: confidence in data accuracy and workflows that make prospecting faster. That’s why the best lead intelligence software and modern lead intelligence platforms are often evaluated on enrichment quality, filtering, and how cleanly they connect to daily tools. If you’re comparing lead intelligence software options, the “best” pick is usually the one your team will actually use every day, not just the one with the largest database.

#### Common use cases and how businesses benefit

1. **Prospecting and list building:** Find decision-makers faster using filters such as role, industry, and company size.
2. **Contact enrichment:** Fill missing emails and phone numbers to increase connect rates.
3. **ICP targeting:** Tighten outbound focus by segmenting accounts and contacts more accurately.
4. **CRM hygiene:** Enrich and refresh fields to ensure routing, scoring, and reporting are more reliable.
5. **GTM alignment:** Give SDRs and marketing a shared, consistent view of lead and account data.

Pricing typically scales by seat count, credits, export limits, enrichment volume, and access to premium data fields. Many vendors offer tiered plans, with higher tiers unlocking deeper enrichment, more exports, and stronger governance. For high-volume teams, total cost is often driven by how frequently they refresh data and how many leads they enrich each month.

### **Top 5 FAQs from software buyers**

- How accurate, complete, and up to date is the contact and company data, and what verification methods are used to prevent outdated or incorrect records?
- How well does the platform support ICP targeting, including filters for role, seniority, function, industry, company size, location, and technology stack?
- How strong are the enrichment and CRM hygiene capabilities, including automated field updates, duplicate prevention, refresh frequency, and governance controls?
- How well does it integrate with the existing go-to-market stack, including [CRM](https://www.g2.com/categories/crm), [marketing automation](https://www.g2.com/categories/marketing-automation), [sales engagement](https://www.g2.com/categories/sales-engagement), [data warehouses](https://www.g2.com/categories/data-warehouse), and routing or [scoring systems](https://www.g2.com/categories/lead-scoring)?
- How efficiently can a team build lists and take action from the platform, including workflow speed, export limits, credit usage, and the ability to trigger outbound sequences or campaigns directly?

G2’s top-rated Lead Intelligence software, based on this review dataset, includes [Cognism](https://www.g2.com/products/cognism/reviews) **,** [ZoomInfo Sales](https://www.g2.com/products/cognism/reviews) **,** [Nexuscale Ai](https://www.g2.com/products/nexuscale-ai/reviews) **, and** [Mr. E by EasyLeadz.](https://www.g2.com/products/mr-e-by-easyleadz/reviews)

### What are the top-reviewed Lead Intelligence on G2?

[Cognism](https://www.g2.com/products/cognism/reviews)

- Number of Reviews: 1,200
- Satisfaction: 83
- Market Presence: 78&amp;nbsp;
- G2 Score: 80

[ZoomInfo Sales](https://www.g2.com/products/zoominfo-sales/reviews)

- Number of Reviews: 8,876
- Satisfaction: 93
- Market Presence: 99
- G2 Score: 96

[Nexuscale Ai](https://www.g2.com/products/nexuscale-ai/reviews)

- Number of Reviews: 42
- Satisfaction: 60
- Market Presence: 13
- G2 Score: 77

[Mr. E by EasyLeadz](https://www.g2.com/products/mr-e-by-easyleadz/reviews)

- Number of Reviews: 1,784
- Satisfaction: 74
- Market Presence: 46
- G2 Score: 60

[Apollo.io](http://apollo.io)

- Number of Reviews: 9,232
- Satisfaction: 99
- Market Presence: 75
- G2 Score: 87

**Satisfaction** reflects user-reported product experience using review-based signals and scoring logic. ([Source 2](https://www.g2.com/reports))

**Market Presence** reflects a product’s footprint and visibility in the market using multiple market signals. ([Source 2](https://www.g2.com/reports))

**G2 Score** is a category score that combines Satisfaction and Market Presence so products can be compared within the same category. ([Source 2](https://www.g2.com/reports))

Learn how G2 scores products. ([Source 1](https://documentation.g2.com/docs/research-scoring-methodologies?_gl=1*5vlk6s*_gcl_au*MTAwMzU5MzUxLjE3NjM0MTg0NzYuNjY0NTIxMTY0LjE3NjQ2MTc0NzcuMTc2NDYxNzQ3Nw..*_ga*NzY1MDU0NjE3LjE3NjM0NzQ3ODM.*_ga_MFZ5NDXZ5F*czE3NjYwODk1MTMkbzY3JGcxJHQxNzY2MDkyMjQyJGo1NyRsMCRoMA..))

### **What I Often See in Lead Intelligence**

#### Feedback Pros: What Users Consistently Appreciate

- **Accurate contact enrichment with verified emails and direct dials**
- _“__What I appreciate most about Seamless.AI is how quickly and easily it provides accurate contact information. Rather than wasting hours scouring the internet, I can get phone numbers, emails, and company details within seconds. The platform also assists in building targeted lead lists, keeps data updated automatically, and integrates seamlessly with tools such as Salesforce and HubSpot. All in all, it saves significant time, enhances sales outreach, and streamlines the prospecting process.” -_ [_Sadhwi P_](https://www.g2.com/products/seamless-ai/reviews)_. Seamless.AI Reviews_
- **Chrome extension enables one click capture from LinkedIn pages**
- _“__It can connect you with you need to speak with. Not only will it (90% of the time) give you the right phone number and email address to reach your contact but it also helps you find the most appropriate lead for your outreach. It&#39;s quick and easy to download and integrates perfectly into your browser (I use Chrome). I love how the plugin pops up on LinkedIn and, not only that, but almost every company page you visit! I use it all the time. It has made my day to day immeasurably better and is so quick and easy to use. I can safely say, the implementation of Cognism at my company has changed everything for the better. And if we have any query, question or concern (the latter being quite rare), Jemima and the team are always approachable and happy to help.” -_ [_Solomon P_](https://www.g2.com/products/cognism/reviews/cognism-review-11872152)_. Cognism Review_
- **Filtering by ICP signals speeds list building for outbound**
- _“__I love how Instantly makes it incredibly easy to find B2B leads, which used to be a significant challenge for me. The enormous database of 450 million data points streamlines my lead generation process, allowing me to simply input keywords and obtain compatible results. This feature is instrumental in efficiently identifying my ideal customer profiles (ICPs), especially on social media, which used to be a cumbersome task. I appreciate that within just five weeks, the ease of finding leads has improved dramatically. Switching to Instantly from other platforms was favorable because of its reliability and user-friendly interface, whereas my previous services encountered frequent crashes. Instantly&#39;s simplicity and swift response enhance my workflow substantially. Setting up Instantly was straightforward, without any complications, saving me time and effort. Overall, these aspects make it a valuable tool for my professional needs.” -_ [_Shavez K_](https://www.g2.com/products/instantly/reviews/instantly-review-12024666)_. Instantly Reviews_

#### Cons: Where Many Platforms Fall Short

- **Outdated numbers and emails force frequent manual verification**
- _“__As with any data platform, there are times when contact accuracy fluctuates or some specialized industries seem less represented. While this isn’t a major issue, my team does sometimes need to verify a record before reaching out. However, ZoomInfo is always evolving, and its overall depth and reliability continue to surpass any other solution we’ve tried.” -_ [_Jeff B_](https://www.g2.com/products/zoominfo-sales/reviews/zoominfo-sales-review-11986093)_. Zoominfo Sales Review_
- **Credit limits and pricing throttle high volume prospecting**
- _“__Data accuracy can be inconsistent, some contacts are spot on, while others may be outdated or bounce, so you still need a verification step and good list hygiene. Credits can run out quickly if you are building large lists, and it is not always clear upfront which contacts will be the best quality use of credits. Duplicate records and missing firmographic details can also happen, which adds cleanup work before importing to a CRM. Integrations are helpful, but you may still spend time mapping fields and making sure imports match your CRM rules.” -_ [_Mudit K_](https://www.g2.com/products/seamless-ai/reviews/seamless-ai-review-12153500)_. Seamless.AI Reviews_
- **CRM sync and bulk exports can feel unreliable or rigid**
- _“__The most helpful aspect is the ability to efficiently generate high-quality leads for business development. RocketReach helps us target prospects with verified emails and phone numbers, improving outreach success and reducing bounce rates. Integration with our CRM and other tools makes it seamless to manage leads. Overall, it’s a huge time-saver and boosts the effectiveness of our sales efforts.” -_ [_Ayushi K_](https://www.g2.com/products/rocketreach/reviews/rocketreach-review-11697514)_. RocketReach Reviews_

### Expert Takeaway

Based on G2 reviews, tools in the lead intelligence category consistently perform well on metrics that typically predict real-world adoption: a 4.48/5 average star rating, 9.01/10 likelihood to recommend, 6.49/7 Ease of Use, 6.40/7 Quality of Support, and 6.41/7 Meets Requirements. That profile suggests that teams generally derive value quickly once workflows are established, and they feel supported when issues arise.

Where high-performing teams separate themselves is how they operationalize data quality. The best outcomes occur when teams treat lead intelligence platforms as an ongoing data system, rather than a one-time list source. They set clear rules for what “valid” means (email verification, phone coverage, role matching), refresh contact data on a schedule, and standardize exports into CRM fields so reps trust what they see. I also notice stronger adoption patterns in review-heavy industries, such as Information Technology and Services, Computer Software, and Marketing and Advertising, where outbound speed is crucial and routing errors can be costly.

If you’re deciding whether lead intelligence software is worth it for your team, my biggest advice is to validate three things early: accuracy for your ICP, how fast reps can build lists and enrich contacts using lead intelligence tools, and whether CRM sync stays clean without constant manual cleanup. Teams that do this usually end up with best lead intelligence software that improves connect rates and focus. Teams that skip it often end up with data that “looks right” but does not hold up in daily prospecting.

### Lead Intelligence Software FAQs

#### **What is lead intelligence software used for?**

Lead intelligence software is used to identify, enrich, and qualify leads with accurate contact and company data. Teams rely on it to find decision makers, verify emails and phone numbers, and prioritize outreach based on firmographic or intent signals. In practice, it reduces manual research and helps sales and marketing focus on higher-quality prospects.

#### **How accurate is lead intelligence data?**

Accuracy varies by provider, data source, and target market. Reviews show that data quality is highest when teams regularly refresh records and focus on a defined ICP. Many users note that even the best lead intelligence platforms still require occasional validation, particularly for phone numbers and roles that change rapidly.

#### **How does lead intelligence software integrate with CRM systems?**

Most lead intelligence tools integrate directly with CRMs to enrich existing records or automatically populate new leads into predefined fields. The strongest integrations support automatic updates, duplicate prevention, and field mapping. Reviews suggest that clean CRM sync is one of the biggest factors influencing long-term adoption.

#### **Is lead intelligence software better than buying static lead lists?**

Yes, most users see better results with lead intelligence platforms than static lists. Instead of one-time exports, lead intelligence tools provide ongoing enrichment, filtering, and updates as data changes. This helps teams avoid outdated contacts and improves connect rates over time.

#### **What should I test before choosing the best lead intelligence software?**

Buyers typically test accuracy for their specific ICP, ease of list building, and how quickly reps can find usable contacts. Reviews also recommend validating credit usage, export limits, and CRM sync behavior before committing to the changes. The best lead intelligence software is typically the one that aligns with daily workflows, rather than just the one with the largest database.

### Sources

1. [G2 Research Hub](https://research.g2.com/insights/demo-automation)
2. [G2 Research Scoring Methodologies](https://documentation.g2.com/docs/research-scoring-methodologies)
3. [G2 Market Presence Score Overview](https://www.g2.com/reports)

**Researched By:** [Alanna Iwuh](https://research.g2.com/insights/author/alanna-iwuh?_gl=1*1ltwfku*_gcl_au*MTAwMzU5MzUxLjE3NjM0MTg0NzYuMTYzNzM5MTY0OS4xNzY2MTcwMjM2LjE3NjYxNzAyMzY.*_ga*NzY1MDU0NjE3LjE3NjM0NzQ3ODM.*_ga_MFZ5NDXZ5F*czE3Njc3Mjg3MTAkbzc4JGcxJHQxNzY3NzI5MTQ3JGo1OSRsMCRoMA..)

**Last updated on:** January 6, 2026



    ---
## What Are the Most Common Questions About Lead Intelligence Software?
*AI-generated · Last updated: April 27, 2026*
  ### What is the best software to track leads for a new online service?
  According to verified users, these products are frequently praised for lead capture and follow-up workflows.

- [Apollo.io](https://www.g2.com/products/apollo-io/reviews) -- reviewers often use it to find contacts, build prospect lists, and run outreach sequences from one place for faster prospecting.
- [ZoomInfo Sales](https://www.g2.com/products/zoominfo-sales/reviews) -- users commonly highlight its company and contact data, intent signals, and list-building features for targeting decision-makers efficiently.
- [Cognism](https://www.g2.com/products/cognism/reviews) -- reviewers mention using it to find verified contacts, enrich records, and support outbound prospecting with CRM-connected workflows.
- [Amplemarket](https://www.g2.com/products/amplemarket/reviews) -- users describe it as useful for combining lead sourcing, sequencing, and multichannel outreach into one workflow.
- [Waalaxy](https://www.g2.com/products/waalaxy/reviews) -- reviewers often use it to automate LinkedIn outreach, follow-ups, and campaign management for scalable lead generation.


  ### Which affordable lead generation apps are best for marketing agencies?
  According to verified users, these products stand out for accessible prospecting and outreach workflows.

- [RocketReach](https://www.g2.com/products/rocketreach/reviews) -- reviewers often value it for quickly finding business emails and phone numbers for outreach and list building.
- [Wiza](https://www.g2.com/products/wiza/reviews) -- users describe it as an easy way to pull prospect data from LinkedIn and export leads into sales workflows.
- [Lusha](https://www.g2.com/products/lusha/reviews) -- reviewers frequently mention easy contact discovery, browser-based prospecting, and CRM-friendly workflows for sales teams.
- [UpLead](https://www.g2.com/products/uplead/reviews) -- users highlight verified email access and targeted list building for B2B outreach without heavy setup.
- [Clearout.io](https://www.g2.com/products/clearout-io/reviews) -- reviewers point to email validation and lead discovery features that help reduce bounce risk while building outreach lists.


  ### What is the best lead tracking software with CRM integration?
  According to verified users, these products are commonly mentioned for CRM-connected lead workflows.

- [Apollo.io](https://www.g2.com/products/apollo-io/reviews) -- reviewers often mention smooth CRM connections, prospect data, and outreach features that help keep lead activity organized.
- [ZoomInfo Sales](https://www.g2.com/products/zoominfo-sales/reviews) -- users highlight CRM integrations and account research tools that support prospecting, enrichment, and follow-up.
- [LeadCRM](https://www.g2.com/products/leadcrm-io-leadcrm/reviews) -- reviewers frequently describe syncing LinkedIn contacts into CRM systems and reducing manual lead entry.
- [Surfe](https://www.g2.com/products/surfe/reviews) -- users mention connecting LinkedIn activity with CRM records to speed up lead capture and keep data updated.


  ### What is lead intelligence software?
  Lead intelligence software helps teams identify, qualify, and act on potential buyers using prospect and company information gathered during research and outreach. In recent G2 reviews for this category, users most often describe these tools as helping them find business emails, phone numbers, company details, job titles, and signals that make prospecting more targeted. Reviewers also commonly mention workflow benefits such as list building, CRM syncing, data enrichment, website or intent insight, and automation that reduces manual research. In practice, the category is used to help sales and marketing teams spend less time hunting for contacts and more time prioritizing relevant accounts, reaching decision-makers, and managing follow-up more efficiently.


  ### How do buyers use lead intelligence tools to improve outreach efficiency?
  Based on G2 reviews, buyers use lead intelligence tools to reduce manual prospecting work and make outreach more targeted. Reviewers repeatedly mention finding verified emails and phone numbers faster, filtering prospects by role, industry, region, or company size, and pushing records into CRM or sequence tools without rekeying data. Many also highlight LinkedIn extensions and enrichment workflows that help them capture contacts while researching accounts. Across recent reviews, the recurring value is speed: users describe spending less time searching for contact information, avoiding duplicate or incomplete records, and focusing more on conversations, follow-up, and pipeline generation instead of administrative lead research.



