# 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 ## Category Overview **Total Products under this Category:** 348 ## Trust & Credibility Stats **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 68,500+ Authentic Reviews - 348+ 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. ## Best Lead Intelligence Software At A Glance - **Leader:** [ZoomInfo Sales](https://www.g2.com/products/zoominfo-sales/reviews) - **Highest Performer:** [Waalaxy](https://www.g2.com/products/waalaxy/reviews) - **Easiest to Use:** [FullEnrich](https://www.g2.com/products/fullenrich/reviews) - **Top Trending:** [FullEnrich](https://www.g2.com/products/fullenrich/reviews) - **Best Free Software:** [Apollo.io](https://www.g2.com/products/apollo-io/reviews) --- **Sponsored** ### Acquisition Inc Acquisition Inc operates in the B2B Lead Generation industry helping the worlds largest B2B brands generate premium quality leads for their marketing campaigns and sales teams. With a focus on data hygiene and superior service, clients of Acquisition Inc enjoy an extensive suite of demand generation solutions uniquely underpinned by an in-house team of data scientists. Acquisition Inc offer the following services: - Content Syndication - Account Based Marketing (ABM) - Marketing Qualified leads (MQL) - BANT leads - Owned and operated Intent Data - Live Install Base services [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=497&secure%5Bdisplayable_resource_id%5D=497&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=page_category&secure%5Bplacement_resource_ids%5D%5B%5D=497&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=1465052&secure%5Bresource_id%5D=497&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Flead-intelligence%3Fpage%3D12&secure%5Btoken%5D=39dac9c72ee4b4fb8618eaf9820ab4e73c53818df608b82ec1e587490218ffc0&secure%5Burl%5D=https%3A%2F%2Facquisition-inc.com&secure%5Burl_type%5D=company_website) --- ## Top-Rated Products (Ranked by G2 Score) ### 1. [ZoomInfo Sales](https://www.g2.com/products/zoominfo-sales/reviews) ZoomInfo Sales is a comprehensive sales execution solution designed to empower sales teams by transforming data into actionable insights within a single, unified platform. This innovative tool integrates three core products—ZoomInfo Sales, Copilot, and GTM Workspace—each tailored to enhance the sales process and improve efficiency. The ZoomInfo Sales component stands out as a leading B2B sales prospecting platform, offering access to an extensive database that includes over 70 million direct dial phone numbers, 174 million verified email addresses, and 500 million professional profiles. This wealth of information enables sales professionals to identify and connect with potential clients effectively. Additionally, the platform tracks buyer intent, monitors website visitors, and processes over one billion buying signals each month, ensuring that users have access to timely and relevant data. With a significant annual investment in data quality, ZoomInfo guarantees that the intelligence provided is both accurate and reliable, as it is meticulously verified rather than scraped from unreliable sources. Copilot serves as an AI-driven sales assistant that centralizes critical data and signals, allowing sales representatives to prioritize accounts and uncover opportunities more efficiently. By providing custom account summaries, personalized recommendations, and tailored email communications, Copilot streamlines the research process, saving sellers an estimated 10 hours each week. Its seamless integration with existing CRM systems ensures that users receive real-time alerts on account changes, enabling timely engagement with customers and prospects. GTM Workspace further enhances the sales process by shifting teams from a reactive to a proactive approach. This AI-powered workspace consolidates insights from various systems into a single view, allowing sales professionals to manage their workflows more effectively. AI agents within GTM Workspace conduct account research, generate follow-up tasks, monitor signals, draft outreach communications, and suggest next best actions. This holistic approach ensures that sales teams can operate efficiently, making informed decisions based on comprehensive insights. Overall, ZoomInfo Sales provides a robust solution for sales teams looking to optimize their processes and drive better results. By combining accurate data, AI-driven insights, and streamlined workflows, it enables users to focus on what matters most—building relationships and closing deals. **Average Rating:** 4.5/5.0 **Total Reviews:** 8,850 **User Satisfaction Scores:** - **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) **Seller Details:** - **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 (23,496 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/zoominfo/ (4,353 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Account Executive, Sales Development Representative - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 48% Mid-Market, 26% Enterprise #### Pros & 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 is a real-time B2B search engine for contact data that provides verified emails, cell phone numbers and sales insights to find, connect and close your next big deal. Our platform includes 1.7B+ Contacts and 150M Company Profiles researched, including Buyer Intent, Job Changes and Data Enrichment, all powered by AI to ensure you always have the most accurate data possible. Our sales intelligence and lead intelligence tool is used by over 1,000,000 users across the globe to automate the tedious process of list building. Our integrations include all of your favorite CRMs, like Salesforce, HubSpot, Salesloft, Outreach, Pipedrive, and more. **Average Rating:** 4.4/5.0 **Total Reviews:** 5,322 **User Satisfaction Scores:** - **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) **Seller Details:** - **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 (25,374 Twitter followers) **Reviewer Demographics:** - **Who Uses This:** Account Executive, CEO - **Top Industries:** Information Technology and Services, Computer Software - **Company Size:** 64% Small-Business, 30% Mid-Market #### Pros & 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 an AI-powered go-to-market (GTM) platform that helps revenue teams find, engage, and manage B2B buyers across the entire sales cycle. Apollo.io is the company behind the industry’s first fully agentic GTM platform, transforming how revenue teams execute. Going beyond automation, Apollo’s intelligent agents actively drive results across the entire sales funnel – from prospecting to deal management – all in one place. Trusted by millions of users and hundreds of thousands of companies – including Anthropic, Autodesk, and Docusign – Apollo is making world-class go-to-market simple, intelligent, and accessible for all. Apollo serves sales development representatives, account executives, sales leaders, revenue operations, and marketing teams at B2B organizations of various sizes. Teams use Apollo to build and maintain target account lists, orchestrate outbound and inbound motions, manage opportunities, and understand which activities lead to qualified pipeline and closed revenue. Key capabilities include: Data and targeting: Access to a large B2B database with company and contact details, including firmographic, technographic, and buyer signal data, so users can define ideal customer profiles and create precise segments for outreach. Prospecting and enrichment: Tools to search, filter, and save prospect lists, plus enrichment workflows that keep contact and account records up to date in Apollo and connected systems such as CRM. Sales engagement: Multi-step, multi-channel sequences for email, calls, and tasks that standardize how reps follow up with prospects, with controls for timing, throttling, and deliverability. Agentic and AI-assisted workflows: Intelligent agents and AI features that help with account research, lead scoring, message generation, and next-step recommendations so reps can prioritize and personalize at scale. Deal and activity management: Basic CRM-style functionality for tracking opportunities, stages, activities, and notes, giving teams a single view of pipeline health and sales performance. By combining data, engagement, and deal execution in one platform, Apollo is designed to reduce the number of disconnected tools in a typical GTM stack and provide a consistent workflow for building pipeline and managing deals. This helps organizations improve data quality, increase seller productivity, and run more structured, measurable go-to-market programs. **Average Rating:** 4.7/5.0 **Total Reviews:** 9,286 **User Satisfaction Scores:** - **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) **Seller Details:** - **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®) **Reviewer Demographics:** - **Who Uses This:** Account Executive, Business Development Manager - **Top Industries:** Information Technology and Services, Computer Software - **Company Size:** 67% Small-Business, 29% Mid-Market #### Pros & Cons **Pros:** - Ease of Use (1680 reviews) - Lead Generation (1400 reviews) - Features (1393 reviews) - Helpful (1390 reviews) - Time-saving (1152 reviews) **Cons:** - Missing Features (597 reviews) - Inaccurate Data (503 reviews) - Learning Curve (474 reviews) - Data Inaccuracy (458 reviews) - Limited Features (454 reviews) ### 4. [Cognism](https://www.g2.com/products/cognism/reviews) Cognism is the leading provider of European B2B data and sales intelligence. Ambitious businesses of every size use our platform to discover, connect, and engage with qualified decision-makers faster and close more deals. Headquartered in London with global offices, Cognism’s contact data and contextual signals are trusted by thousands of revenue teams to eliminate the guesswork from prospecting. **Average Rating:** 4.5/5.0 **Total Reviews:** 1,302 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Cognism](https://www.g2.com/sellers/cognism) - **Company Website:** https://www.cognism.com - **Year Founded:** 2015 - **HQ Location:** London, England - **Twitter:** @Cognism (2,338 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/10533439/ (489 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Account Executive, Sales Development Representative - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 50% Mid-Market, 25% Small-Business #### Pros & Cons **Pros:** - Ease of Use (216 reviews) - Contact Information (193 reviews) - Data Accuracy (169 reviews) - Lead Generation (126 reviews) - Accuracy (108 reviews) **Cons:** - Inaccurate Data (99 reviews) - Incorrect Numbers (62 reviews) - Outdated Contacts (58 reviews) - Incorrect Information (57 reviews) - Missing Information (55 reviews) ### 5. [RocketReach](https://www.g2.com/products/rocketreach/reviews) Fuel Your Outreach with Speed and Precision RocketReach helps grow your business with the simplest lead intelligence and engagement solution in the world. With continuous updates of our data quality and verification processes, our users have up-to-date access to the most accurate contact information. Create automated workflows to discover and engage with prospects in just a few clicks with RocketReach Autopilot, now in Beta. Create Targeted Sales Prospecting Strategies Save time, target the right contacts and personalize your outreach. With RocketReach, Sales teams increase efficiency and have higher response rates for their prospecting efforts. Fill Your Pipelines Marketing teams use RocketReach to create targeted contact lists with Intent Data that don’t hurt your deliverability. Secure Top Talent Faster Whether you’re searching for specialized skill sets or high-demand senior candidates, learn why the Top 5 US Executive Recruiting Firms and Global Tech firms use RocketReach. RocketReach for Healthcare Finding contact data for healthcare providers is extremely challenging. RocketReach has accurate contact information for millions of professionals working in hospitals, healthcare administration, healthcare technology, and more. RocketReach lets you create contact and company lists with the world's largest and most accurate contact database and lead intelligence platform. Try it for free today. **Average Rating:** 4.4/5.0 **Total Reviews:** 1,344 **User Satisfaction Scores:** - **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:** 7.7/10 (Category avg: 8.6/10) **Seller Details:** - **Seller:** [RocketReach](https://www.g2.com/sellers/rocketreach) - **Company Website:** https://rocketreach.co - **Year Founded:** 2016 - **HQ Location:** Brooklyn, NY - **Twitter:** @RocketReachCo (3,385 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/18097967/ (98 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Founder, Business Development Manager - **Top Industries:** Marketing and Advertising, Financial Services - **Company Size:** 66% Small-Business, 24% Mid-Market #### Pros & Cons **Pros:** - Contact Information (276 reviews) - Ease of Use (267 reviews) - Accuracy (136 reviews) - Accurate Data (131 reviews) - Data Accuracy (115 reviews) **Cons:** - Inaccurate Data (115 reviews) - Outdated Contacts (111 reviews) - Outdated Data (86 reviews) - Outdated Information (84 reviews) - Missing Information (75 reviews) ### 6. [6sense Sales Intelligence](https://www.g2.com/products/6sense-sales/reviews) 6sense Sales Intelligence is an AI‑powered revenue technology solution designed to help B2B sales teams identify in‑market accounts, understand buyer intent, and engage prospects with the right message at exactly the right moment. Positioned as part of the broader 6sense Revenue AI platform, it equips sellers with deep data, predictive insights, and automated workflows that dramatically improve pipeline quality and conversion efficiency. Drawing on trillions of buyer signals collected daily, 6sense analyzes intent behavior, firmographics, technographics, and engagement patterns to surface the accounts most ready to buy and the actions sellers should take to influence their journey. At the core of the platform is robust access to company and contact intelligence. Sales Intelligence provides enriched profiles, including verified emails, phone numbers, and detailed account attributes. Users can employ tools like Company & People Search, List Builder, and Sales Alerts to quickly zero in on high‑value opportunities. The platform’s credit‑based system allows teams to unlock and export relevant data as needed, making it scalable for sales organizations of different sizes and operational models. Where 6sense differentiates itself is in its predictive capabilities. Using its proprietary 6AI engine, the platform scores and prioritizes accounts based on buying stage, behavioral intent, and likelihood to convert. This predictive modeling helps sellers focus efforts where they matter most, reducing time spent on unqualified outreach. The solution also embeds intelligence directly into seller workflows through features like Sales Copilot, intelligent workflows, and AI‑recommended actions, ensuring sales teams receive contextually relevant insights without switching tools. Sales teams benefit from seamless integrations with leading CRMs, sales engagement platforms, and marketing automation tools, enabling smooth activation across channels. Real‑time buying signals and automated alerts help sellers engage prospects earlier in the journey—often before competitors even realize a deal is forming. This proactive engagement model is reinforced by detailed reporting and dashboards, providing clear visibility into account progression and revenue impact. Overall, 6sense Sales Intelligence empowers revenue teams to move beyond traditional lead‑based approaches and embrace a more efficient, account‑centric strategy. With deep data, advanced AI, and automated decisioning, it transforms how sellers prioritize outreach, personalize engagement, and accelerate deals—ultimately helping organizations win more opportunities with less manual effort. **Average Rating:** 4.0/5.0 **Total Reviews:** 938 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [6sense](https://www.g2.com/sellers/6sense) - **Company Website:** https://www.6sense.com - **Year Founded:** 2013 - **HQ Location:** San Francisco, CA - **Twitter:** @6senseInc (16,950 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/3677944/ (1,576 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Account Executive, Sales Development Representative - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 51% Mid-Market, 35% Enterprise #### Pros & 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) ### 7. [Instantly](https://www.g2.com/products/instantly/reviews) Instantly turns leads into clients with Automated Outreach, Deliverability Network, Sales Engagement, B2B Lead Database & AI-Powered CRM. Find your leads, create your campaigns, connect your sending accounts, and watch those leads turn into customers - with one, flat-fee subscription. Founded in 2021, Instantly is the leading sales engagement platform used by more than 35,000 customers, from solopreneurs to global agencies. Our goal is to be the simplest tool on the market to make money with cold email. **Average Rating:** 4.8/5.0 **Total Reviews:** 4,064 **User Satisfaction Scores:** - **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) **Seller Details:** - **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/ (211 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Founder, CEO - **Top Industries:** Marketing and Advertising, Computer Software - **Company Size:** 93% Small-Business, 5% Mid-Market #### Pros & 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 (190 reviews) - Email Management (126 reviews) - Learning Curve (105 reviews) - Email Issues (104 reviews) ### 8. [Nooks](https://www.g2.com/products/nooks/reviews) Nooks is the Agent Workspace for intelligent outbound. We pair human judgment with AI execution so reps spend less time on busywork and more time building real relationships that turn into pipeline. Nooks brings signals, account history, and next-best actions into one multi-channel system for AI sequencing so outbound stays relevant as you scale. Over 100 teams have switched from legacy sequencing tools to Nooks, more than doubling email-sourced pipeline, cutting research time by 90%, and consolidating multiple vendors into one platform. Over 1200 customers, including sophisticated sales orgs at HubSpot, Deel, ZoomInfo, and Rippling use Nooks to generate more pipeline with less context switching. **Average Rating:** 4.8/5.0 **Total Reviews:** 1,281 **User Satisfaction Scores:** - **Has the product been a good partner in doing business?:** 9.6/10 (Category avg: 9.3/10) - **Lead Quality:** 8.3/10 (Category avg: 8.8/10) - **Lead Enrichment:** 8.8/10 (Category avg: 8.7/10) - **Lead Analysis:** 8.4/10 (Category avg: 8.6/10) **Seller Details:** - **Seller:** [Nooks](https://www.g2.com/sellers/nooks) - **Company Website:** https://www.nooks.ai/ - **HQ Location:** San Francisco, California - **Twitter:** @JoinNooks (383 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/nooksapp (566 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** SDR, Sales Development Representative - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 49% Mid-Market, 25% Small-Business #### Pros & 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) ### 9. [Mr. E by EasyLeadz](https://www.g2.com/products/mr-e-by-easyleadz/reviews) Mr. E - Find direct contact number of prospects Mr. E by EasyLeadz is the easiest way to find B2B contact numbers with just one click. Enrich any business profile with direct mobile numbers i.e direct dials. Our hit rate and the numbers accuracy is probably the best in the industry. Actions speak louder than words, try it out for free. Who can use this extension? Anyone who is looking for efficient and faster ways to reach out to other professionals over phone calls can use this extension to instantly find contact numbers in a click. - Sales professional, recruiters, headhunters, account managers, marketers, business developers, and people with direct client relationships. - Professionals looking to increase their productivity and efficiency - Teams, project managers, coordinators and internal communications About EasyLeadz. EasyLeadz helps business professionals establish a fast and true connection with their leads, contacts, and candidates. B2B engagement is based on trust. EasyLeadz helps you build that trust using simple tools which allow you to enrich and verify business profiles. Today, over 10,000 sales representatives, recruitment managers and marketers transform the way they engage with their leads, contacts and candidates by using Mr. E on a daily basis. EasyLeadz is compatible with LinkedIn, Zaubacorp, Tofler, Instafinancial and Crunchbase. Our customers range from small and medium businesses to enterprises including AUDI, UBER, Amazon, Salesforce, Upgrad, Microsoft, Boston Consulting Group, AT Kearney and many more. **Average Rating:** 4.6/5.0 **Total Reviews:** 1,883 **User Satisfaction Scores:** - **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) **Seller Details:** - **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®) **Reviewer Demographics:** - **Who Uses This:** Student, Business Development Manager - **Top Industries:** Information Technology and Services, Marketing and Advertising - **Company Size:** 59% Small-Business, 26% Mid-Market #### Pros & 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) ### 10. [Waalaxy](https://www.g2.com/products/waalaxy/reviews) Waalaxy is a LinkedIn outreach and sales engagement software designed to help professionals and organizations identify, contact, and manage relationships with prospects and candidates through LinkedIn and email. The solution structures outbound communication workflows, automates repetitive tasks, and centralizes conversations without requiring technical expertise or complex setup. Waalaxy is used by founders, sales representatives, recruiters, and small to mid-sized teams that rely on LinkedIn as a key channel for lead generation, business development, and talent sourcing. It integrates directly with the LinkedIn interface, allowing users to work within their existing environment while organizing outreach activities in a systematic and trackable way. More than 150,000 professionals use Waalaxy worldwide as part of their daily workflow. The platform supports users at different stages of outreach maturity. Seventy-five percent of customers had not previously conducted LinkedIn outreach, reflecting adoption among individuals and organizations structuring this activity for the first time. As familiarity with the platform grows, collaboration becomes more common, and 50% of customers use Waalaxy as part of a team to coordinate outreach. Waalaxy enables multichannel outreach by allowing users to import contacts from LinkedIn searches and create sequences combining connection requests, LinkedIn messages, and email follow-ups. Automation features reduce manual effort while maintaining personalized communication across a larger number of contacts. The platform also supports team coordination through shared lead lists, user permissions, and activity tracking designed to prevent duplicate contact and maintain consistency across campaigns. Data enrichment features help users discover professional emails and synchronize information with CRM systems such as HubSpot and Pipedrive, as well as automation tools including Zapier and Make. A centralized workspace allows users to monitor replies, organize follow-ups, and manage conversations from a single interface, enabling both individuals and teams to run LinkedIn-based outreach in a consistent and organized manner. **Average Rating:** 4.5/5.0 **Total Reviews:** 1,097 **User Satisfaction Scores:** - **Has the product been a good partner in doing business?:** 8.5/10 (Category avg: 9.3/10) - **Lead Quality:** 8.3/10 (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) **Seller Details:** - **Seller:** [Waalaxy](https://www.g2.com/sellers/waalaxy) - **Company Website:** https://www.waalaxy.com/ - **Year Founded:** 2019 - **HQ Location:** Montpellier, Herault - **Twitter:** @waalaxy (115 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/waalaxyen/ (35 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Founder, CEO - **Top Industries:** Marketing and Advertising, Information Technology and Services - **Company Size:** 73% Small-Business, 8% Mid-Market #### Pros & 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) ### 11. [ZoomInfo Operations](https://www.g2.com/products/zoominfo-operations/reviews) ZoomInfo Operations is a sophisticated data management solution designed to assist organizations in optimizing their go-to-market (GTM) strategies by effectively managing sales and marketing data. This platform serves as the backbone of the GTM intelligence ecosystem, enabling operations teams to automate the processes of cleaning, enriching, and routing their data. By leveraging a no-code automated data management engine, businesses can establish a robust and unified data foundation that enhances their revenue-generating efforts. Targeted primarily at sales and marketing operations teams, ZoomInfo Operations addresses the common challenges associated with data management. Organizations often struggle with maintaining accurate and up-to-date information, which can hinder their ability to make informed decisions and execute effective marketing campaigns. This solution is particularly beneficial for companies that rely heavily on data-driven strategies and need to ensure that their sales and marketing databases are both clean and comprehensive. One of the standout features of ZoomInfo Operations is its ability to automatically clean and complete sales and marketing data. The platform efficiently deduplicates records, standardizes fields, and fills in missing information, all while maintaining data hygiene. This automation eliminates the need for manual intervention and complex workflows, allowing teams to focus on strategic initiatives rather than getting bogged down by data management tasks. Additionally, ZoomInfo Operations enriches existing databases by integrating with ZoomInfo and over 60 third-party data sources. This capability ensures that organizations have access to fresh contact information, firmographics, technographics, and buying signals, which are crucial for effective targeting and engagement. The seamless flow of enriched data into CRM and marketing automation platforms empowers teams to execute campaigns with greater precision and relevance. Routing engagement-ready data to the appropriate sales representatives is another critical function of ZoomInfo Operations. The platform employs intelligent assignment rules to ensure that every lead, account, and opportunity is directed to the right person at the right time. By infusing essential first-party data into the relevant systems, organizations can enhance their responsiveness and improve overall sales efficiency. This targeted approach not only optimizes the sales process but also fosters better relationships with potential customers, ultimately driving revenue growth. **Average Rating:** 4.4/5.0 **Total Reviews:** 345 **User Satisfaction Scores:** - **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:** 8.7/10 (Category avg: 8.7/10) - **Lead Analysis:** 9.0/10 (Category avg: 8.6/10) **Seller Details:** - **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 (23,496 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/zoominfo/ (4,353 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Salesforce Administrator, Marketing Operations Manager - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 66% Mid-Market, 20% Small-Business #### Pros & Cons **Pros:** - Data Accuracy (25 reviews) - Ease of Use (23 reviews) - Automation (20 reviews) - Lead Generation (19 reviews) - Efficiency (18 reviews) **Cons:** - Inaccuracy Issues (13 reviews) - Inaccurate Data (11 reviews) - Learning Curve (11 reviews) - Learning Difficulty (11 reviews) - Expensive (10 reviews) ### 12. [Lusha](https://www.g2.com/products/lusha/reviews) Lusha is an AI-powered B2B sales intelligence and prospecting platform. It gives sales, marketing, and RevOps teams accurate B2B contact and company data, including direct dials and business emails, so they can reach decision-makers faster. Trusted by over 2.6 million users worldwide, Lusha combines a GDPR-compliant B2B contact database with AI-driven automation and live prospect streaming to power list building, data enrichment, and revenue workflows across the funnel. **Average Rating:** 4.3/5.0 **Total Reviews:** 1,580 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Lusha](https://www.g2.com/sellers/lusha) - **Company Website:** https://www.lusha.com/ - **Year Founded:** 2016 - **HQ Location:** Boston, Massachusetts - **Twitter:** @LushaData (2,694 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/lushadata/ (370 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Sales Development Representative, Account Executive - **Top Industries:** Information Technology and Services, Computer Software - **Company Size:** 47% Mid-Market, 39% Small-Business #### Pros & Cons **Pros:** - Contact Information (87 reviews) - Ease of Use (87 reviews) - Data Accuracy (69 reviews) - Accuracy (61 reviews) - Accurate Data (61 reviews) **Cons:** - Data Inaccuracy (49 reviews) - Inaccurate Data (42 reviews) - Outdated Contacts (36 reviews) - Outdated Data (33 reviews) - Outdated Information (33 reviews) ### 13. [FullEnrich](https://www.g2.com/products/fullenrich/reviews) FullEnrich aggregates data enrichment solutions that find your prospects’ business emails and mobile phone numbers. We are integrated with over 20 premium data providers to maximize quality and enrichment rates worldwide. Our customers can enrich CSVs, and connect our API to their CRM and outbound tools to enrich their leads and customers. All enriched emails are verified to provide the best possible data quality. FullEnrich is a Waterfall Enrichment Platform. **Average Rating:** 4.8/5.0 **Total Reviews:** 185 **User Satisfaction Scores:** - **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:** 9.2/10 (Category avg: 8.7/10) - **Lead Analysis:** 7.9/10 (Category avg: 8.6/10) **Seller Details:** - **Seller:** [FullEnrich](https://www.g2.com/sellers/fullenrich) - **Company Website:** https://fullenrich.com/ - **Year Founded:** 2023 - **HQ Location:** San Fransisco, US - **Twitter:** @FullEnrich (23 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/fullenrich/ (50 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** CEO, Founder - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 77% Small-Business, 14% Mid-Market #### Pros & Cons **Pros:** - Ease of Use (43 reviews) - Data Accuracy (35 reviews) - Contact Information (31 reviews) - Accuracy (25 reviews) - Speed (21 reviews) **Cons:** - Incorrect Numbers (11 reviews) - Expensive (8 reviews) - Integration Issues (7 reviews) - Missing Emails (5 reviews) - Slow Loading (5 reviews) ### 14. [Success.ai](https://www.g2.com/products/success-ai/reviews) Success.ai is an AI-driven platform designed to revolutionize B2B lead generation and email outreach. By providing unlimited access to a vast database of over 700 million verified contacts, it empowers businesses to connect with potential clients efficiently. The platform integrates advanced tools such as AI-powered email writing, automated email warm-up services, and a unified inbox, streamlining the entire outreach process. Success.ai caters to sales teams, marketers, agencies, and entrepreneurs aiming to enhance their outbound sales campaigns and drive revenue growth effectively. Key Features and Functionality: - Extensive B2B Leads Database: Access to over 700 million verified B2B contacts, enabling users to identify and reach potential clients across various industries. - Unlimited Email Sending and Warm-Up: Connect multiple email accounts with no restrictions and utilize automated warm-up services to improve email deliverability and avoid spam filters. - AI-Powered Email Writer: Craft personalized and impactful email campaigns using AI-driven content generation, enhancing engagement rates. - Unified Inbox and CRM Integration: Manage all email communications from a single interface and integrate seamlessly with existing CRM systems for efficient lead tracking. - Multichannel Outreach: Engage leads through various channels, including email, LinkedIn, and phone, from a single campaign platform. - Advanced Campaign Analytics: Monitor and analyze campaign performance with real-time metrics to optimize outreach strategies. Primary Value and Solutions Provided: Success.ai addresses the challenges of scaling B2B outreach by offering a comprehensive suite of tools that automate and enhance the lead generation process. By leveraging AI technology, it reduces the time and effort required to identify and engage potential clients, allowing businesses to focus on closing deals and driving growth. The platform's unlimited access to a vast contact database, combined with its advanced email management features, ensures that users can execute effective and personalized outreach campaigns at scale. This results in increased lead conversion rates, improved email deliverability, and a more streamlined sales process, ultimately contributing to higher revenue and business success. **Average Rating:** 4.8/5.0 **Total Reviews:** 275 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Success AI](https://www.g2.com/sellers/success-ai) - **HQ Location:** Sheridan, WY - **LinkedIn® Page:** https://www.linkedin.com/company/success-ai/ (97 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Virtual Assistant, Founder - **Top Industries:** Marketing and Advertising, Information Technology and Services - **Company Size:** 82% Small-Business, 17% Mid-Market #### Pros & 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) ### 15. [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:** 604 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Amplemarket](https://www.g2.com/sellers/amplemarket) - **Year Founded:** 2019 - **HQ Location:** San Francisco, California - **Twitter:** @amplemarket (2,552 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** SDR, Account Executive - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 46% Small-Business, 41% Mid-Market #### Pros & 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) ### 16. [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'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:** 623 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [HubSpot](https://www.g2.com/sellers/hubspot) - **Year Founded:** 2006 - **HQ Location:** Cambridge, MA - **Twitter:** @HubSpot (785,747 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/68529/ (11,979 employees on LinkedIn®) - **Ownership:** NYSE:HUBS **Reviewer Demographics:** - **Who Uses This:** Account Executive, Founder - **Top Industries:** Computer Software, Marketing and Advertising - **Company Size:** 50% Small-Business, 44% Mid-Market #### Pros & 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) ### 17. [Grata](https://www.g2.com/products/grata/reviews) Grata is the private market intelligence platform that helps dealmakers find, understand, and connect with private companies—faster and with more confidence. Built for private equity, investment banking, corporate development, and other M&A professionals, Grata replaces fragmented research workflows with a single, modern system for deal sourcing, market mapping, conferences, and pipeline management. At the core of Grata is a proprietary dataset of 21M+ private companies, continuously refreshed using advanced data science and human validation to ensure 99% accuracy. Agentic Search transforms Grata into your AI analyst. It interprets your intent, connects market dots, and discovers opportunities before you even think to filter for them. Instead of returning static matches, it reasons through the problem to surface better outcomes. This makes it easier to uncover off‑market opportunities and identify companies that truly fit your investment mandate. Designed to support real-world deal workflows, Grata helps teams stay organized from initial sourcing through close. Users can track coverage, collaborate across teams, and integrate Grata directly with their CRM to ensure insights flow seamlessly into existing processes. This reduces data decay, improves visibility across the pipeline, and helps firms maintain a strong, institutional memory over time. Ultimately, Grata exists to solve a core problem in private markets: great deals start with great data. By delivering deeper coverage, smarter search, and workflow-friendly tools, Grata empowers teams to source better opportunities, move faster with confidence, and build a competitive edge in an increasingly crowded market. **Average Rating:** 4.8/5.0 **Total Reviews:** 79 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Grata](https://www.g2.com/sellers/grata) - **Company Website:** https://grata.com - **Year Founded:** 2016 - **HQ Location:** New York, NY - **Twitter:** @grata_inc (175 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/grata-data/ (209 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Associate, Managing Partner - **Top Industries:** Venture Capital & Private Equity, Financial Services - **Company Size:** 76% Small-Business, 15% Mid-Market #### Pros & Cons **Pros:** - Search Functionality (26 reviews) - Ease of Use (25 reviews) - Filtering Features (20 reviews) - Customer Support (18 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. [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'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:** 223 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Similarweb](https://www.g2.com/sellers/similarweb) - **Year Founded:** 2007 - **HQ Location:** New York - **Twitter:** @Similarweb (62,216 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/429838/ (1,286 employees on LinkedIn®) - **Ownership:** NYSE: SMWB **Reviewer Demographics:** - **Who Uses This:** Account Executive - **Top Industries:** Marketing and Advertising, Computer Software - **Company Size:** 47% Mid-Market, 28% Small-Business #### Pros & 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) ### 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:** 1,175 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Wiza](https://www.g2.com/sellers/wiza) - **Company Website:** https://wiza.com - **Year Founded:** 2019 - **HQ Location:** Newark, DE - **Twitter:** @wiza_co (643 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/wizainc (49 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** CEO, Founder - **Top Industries:** Marketing and Advertising, Staffing and Recruiting - **Company Size:** 73% Small-Business, 20% Mid-Market #### Pros & 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. [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:** 1,888 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [Demandbase](https://www.g2.com/sellers/demandbase) - **Company Website:** https://www.demandbase.com - **Year Founded:** 2005 - **HQ Location:** San Francisco, CA - **Twitter:** @Demandbase (21,385 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/89759/ (993 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Account Executive, Business Development Representative - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 49% Mid-Market, 32% Enterprise #### Pros & 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) ### 21. [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'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'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 **User Satisfaction Scores:** - **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) **Seller Details:** - **Seller:** [ReachStream](https://www.g2.com/sellers/reachstream) - **Year Founded:** 2017 - **HQ Location:** Santa Clara - **LinkedIn® Page:** https://www.linkedin.com/company/reachstream/ (33 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Marketing and Advertising, Information Technology and Services - **Company Size:** 54% Mid-Market, 50% Small-Business #### Pros & 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) ### 22. [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 & CCPA Compliant **Average Rating:** 4.9/5.0 **Total Reviews:** 269 **User Satisfaction Scores:** - **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) **Seller Details:** - **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®) **Reviewer Demographics:** - **Who Uses This:** CEO, Director - **Top Industries:** Information Technology and Services, Marketing and Advertising - **Company Size:** 50% Mid-Market, 32% Small-Business #### Pros & 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) ### 23. [BookYourData](https://www.g2.com/products/bookyourdata/reviews) Bookyourdata is a trusted B2B data provider that empowers sales, marketing, and growth teams with fast access to accurate and verified business contacts. Companies use our platform to buy email lists or build highly targeted custom datasets in real time. With millions of professionals across virtually every sector, Bookyourdata makes it easy to reach the right decision-makers and launch effective outbound campaigns. Our platform offers two powerful options. Users can generate custom email lists using precise filters such as job title, industry, geography, company size, revenue range, technologies used, and more. We also offer pre-built email lists for those who need instant, category-specific data without any manual setup. Both options are delivered instantly and are available for download in a user-friendly format. Data quality is at the core of our service. Every record in our database is triple-verified, ensuring high deliverability rates and reliable outreach performance. This level of accuracy helps teams reduce bounce rates, improve sender reputation, and connect with real, active professionals who drive purchasing decisions. What sets Bookyourdata apart is our pay-as-you-go model, which eliminates the need for subscriptions, contracts, or credit commitments. Users can preview samples before purchasing and only pay for the exact contacts they need. Our transparent pricing and intuitive interface make it easy for teams of all sizes to scale their lead generation efforts efficiently. With more than 250 million B2B contacts across 250 countries, Bookyourdata supports startups, agencies, enterprise brands, and individual professionals looking to accelerate growth. We place strong importance on data compliance, customer satisfaction, responsive support, and a flexible refund policy. Bookyourdata gives you the freedom to source high-quality leads, launch campaigns with confidence, and grow your pipeline at scale. **Average Rating:** 4.9/5.0 **Total Reviews:** 395 **User Satisfaction Scores:** - **Has the product been a good partner in doing business?:** 9.8/10 (Category avg: 9.3/10) - **Lead Quality:** 9.6/10 (Category avg: 8.8/10) - **Lead Enrichment:** 9.7/10 (Category avg: 8.7/10) - **Lead Analysis:** 9.7/10 (Category avg: 8.6/10) **Seller Details:** - **Seller:** [Bookyourdata](https://www.g2.com/sellers/bookyourdata) - **Year Founded:** 2015 - **HQ Location:** New York, USA - **Twitter:** @bookyourdata (914 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/bookyourdata.com/ (7 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** Project Manager, Founder - **Top Industries:** Information Technology and Services, Marketing and Advertising - **Company Size:** 52% Small-Business, 39% Mid-Market #### Pros & Cons **Pros:** - Data Accuracy (60 reviews) - Accuracy (54 reviews) - Accurate Data (48 reviews) - Contact Information (44 reviews) - Lead Generation (44 reviews) **Cons:** - Expensive (9 reviews) - Filtering Difficulty (9 reviews) - Missing Information (8 reviews) - Filtering Issues (7 reviews) - Inaccurate Company Information (6 reviews) ### 24. [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 **User Satisfaction Scores:** - **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) **Seller Details:** - **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®) **Reviewer Demographics:** - **Who Uses This:** CEO, Founder - **Top Industries:** Computer Software, Consulting - **Company Size:** 82% Small-Business, 14% Mid-Market #### Pros & 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) ### 25. [Explorium](https://www.g2.com/products/explorium/reviews) Explorium is the leading B2B data layer for building high-performance GTM agents. Our seamless API and MCP integrations power agents with premium B2B data, accelerating development, enhancing contextual intelligence, and improving ROI. Backed by years of expertise in B2B data and access to more than 50 data sources, we deliver enterprise-grade data through flexible delivery options. Try it for free at https://www.explorium.ai/sign-up/?utm\_source=g2&utm\_medium\_organic **Average Rating:** 4.6/5.0 **Total Reviews:** 27 **User Satisfaction Scores:** - **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 9.3/10) **Seller Details:** - **Seller:** [Explorium](https://www.g2.com/sellers/explorium) - **HQ Location:** San Mateo, California - **Twitter:** @Explorium_ai (1,352 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/18828451/ (87 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Financial Services, Education Management - **Company Size:** 56% Small-Business, 41% Mid-Market ## Parent Category [Lead Generation Software](https://www.g2.com/categories/lead-generation) ## Related Categories - [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) --- ## Buyer Guide ### 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.  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  - 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'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'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