# Best Identity Resolution Software for Small Business

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

   Products classified in the overall Identity Resolution category are similar in many regards and help companies of all sizes solve their business problems. However, small business features, pricing, setup, and installation differ from businesses of other sizes, which is why we match buyers to the right Small Business Identity Resolution to fit their needs. Compare product ratings based on reviews from enterprise users or connect with one of G2's buying advisors to find the right solutions within the Small Business Identity Resolution category.

In addition to qualifying for inclusion in the Identity Resolution Software category, to qualify for inclusion in the Small Business Identity Resolution Software category, a product must have at least 10 reviews left by a reviewer from a small business.




  
## How Many Identity Resolution Software Products Does G2 Track?
**Total Products under this Category:** 69

### Category Stats (May 2026)
- **Average Rating**: 4.37/5
- **New Reviews This Quarter**: 44
- **Buyer Segments**: Enterprise 46% │ Mid-Market 31% │ Small-Business 22%
- **Top Trending Product**: 33Across (+0.011)
*Last updated: May 18, 2026*

  
## How Does G2 Rank Identity Resolution Software Products?

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

- 30 Analysts and Data Experts
- 2,800+ Authentic Reviews
- 69+ 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.

  
  
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---

  ## What Are the Top-Rated Identity Resolution Software Products in 2026?
### 1. [Salesforce Data 360 (formerly Data Cloud)](https://www.g2.com/products/salesforce-data-360-formerly-data-cloud/reviews)
  Salesforce Data Cloud unlocks the full value of your enterprise data by powering Customer 360 apps, Agentforce, and enhancing your existing data lake and warehouse investments with real-time insights and intelligent action. Natively built on the Salesforce Platform, Data Cloud is designed to complement—not replace—your current systems. It acts as a smart data bridge, unifying structured and unstructured data from lakes, warehouses, and business applications using low-code tools. With Zero Copy architecture and deep partnerships with Amazon, Snowflake, Databricks, and Google, you can maximize existing data investments and activate data seamlessly across the Salesforce ecosystem.


  **Average Rating:** 4.3/5.0
  **Total Reviews:** 239
**How Do G2 Users Rate Salesforce Data 360 (formerly Data Cloud)?**

- **Has the product been a good partner in doing business?:** 9.3/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.6/10 (Category avg: 8.9/10)
- **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10)

**Who Is the Company Behind Salesforce Data 360 (formerly Data Cloud)?**

- **Seller:** [Salesforce](https://www.g2.com/sellers/salesforce)
- **Company Website:** https://www.salesforce.com/
- **Year Founded:** 1999
- **HQ Location:** San Francisco, CA
- **Twitter:** @salesforce (581,299 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/3185/ (88,363 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Salesforce Developer
  - **Top Industries:** Information Technology and Services, Computer Software
  - **Company Size:** 41% Mid-Market, 35% Enterprise


#### What Are Salesforce Data 360 (formerly Data Cloud)'s Pros and Cons?

**Pros:**

- Platform Integration (79 reviews)
- Ease of Use (56 reviews)
- Easy Integration (53 reviews)
- Data Discovery (39 reviews)
- Integrations (38 reviews)

**Cons:**

- Learning Curve (53 reviews)
- Expensive (44 reviews)
- Difficult Learning (37 reviews)
- Complexity (36 reviews)
- Complex Setup (34 reviews)

### 2. [Prime 360](https://www.g2.com/products/prime-360/reviews)
  Prime 360 is a real-time entity search and match solution designed to enhance data accuracy and integrity for businesses. By identifying and merging duplicate customer records, it ensures a consolidated and up-to-date view of customer data, which is crucial for informed decision-making and operational efficiency. Key Features and Functionality: - Real-Time Data Deduplication: Instantly identifies and merges duplicate records, providing a unified customer profile. - High Accuracy and Speed: Utilizes advanced algorithms to deliver precise matches with minimal false positives, operating at the application layer for rapid response times. - Scalability: Capable of handling large volumes of data efficiently, ensuring robustness during peak periods. - Privacy Assurance: Offers on-premises or cloud-based data storage options to maintain data security and compliance. - Flexible Integration: Supports seamless integration with existing systems through API and SOA-driven architecture. Primary Value and Solutions Provided: Prime 360 addresses the challenge of managing and maintaining accurate customer data by eliminating duplicates and inconsistencies. This leads to improved customer verification processes, enhanced risk management, and more effective marketing strategies. By providing a real-time, accurate view of customer information, businesses can make better decisions, ensure regulatory compliance, and deliver personalized customer experiences.


  **Average Rating:** 4.3/5.0
  **Total Reviews:** 24
**How Do G2 Users Rate Prime 360?**

- **Has the product been a good partner in doing business?:** 8.9/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.3/10 (Category avg: 8.9/10)
- **What is your organization's estimated ROI on the product (payback period in months)?:** 5.0/10 (Category avg: 10/10)

**Who Is the Company Behind Prime 360?**

- **Seller:** [Posidex Technologies](https://www.g2.com/sellers/posidex-technologies)
- **Year Founded:** 2003
- **HQ Location:** Hyderabad, Telangana
- **Twitter:** @PosidexTech (67 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/posidex-technologies (354 employees on LinkedIn®)

**Who Uses This Product?**
  - **Top Industries:** Information Technology and Services
  - **Company Size:** 54% Mid-Market, 42% Small-Business


#### What Are Prime 360's Pros and Cons?

**Pros:**

- Efficiency Improvement (7 reviews)
- Ease of Use (6 reviews)
- Customer Support (4 reviews)
- Feature Versatility (4 reviews)
- Marketing Campaigns (4 reviews)

**Cons:**

- Expensive (3 reviews)
- Complexity (2 reviews)
- Difficult Setup (2 reviews)
- Poor Support Services (2 reviews)
- Difficult Learning (1 reviews)

### 3. [Retention.com](https://www.g2.com/products/retention-com/reviews)
  10x Your Email List with Retention.com 95% of visitors leave your website without ever filling out a form.That's not just lost traffic, it's lost revenue sitting that you wouldn't be able to reach. Until now. Retention.com identifies up to 40% of your anonymous website visitors and delivers verified, deliverable email addresses straight to your email provider, even if the contact never fills out a form, subscribes to a pop-up, or creates an account. That means the shoppers who browsed your best sellers, added items to their cart, or spent time on your landing pages can now enter your email flows automatically. No more relying solely on opt-in forms and discount pop-ups to grow your list. Retention.com works alongside your existing acquisition strategy to unlock a massive pool of contacts you were previously invisible to. The result is faster list growth, higher-intent audiences, and more revenue per send. Getting started is simple. Retention.com integrates directly with your existing email platform, so new contacts flow into your welcome series, abandonment sequences, and promotional campaigns from day one. There's no complex setup, no engineering resources required, and no disruption to your current workflows. Trusted by 1,500+ brands including Manscaped, Living Spaces, Spanx, and Mejuri, Retention.com is the fastest way to scale your email list with real, marketable contacts. If you're serious about email list growth, stop leaving subscribers on the table and start turning your anonymous traffic into your most profitable channel.


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 121
**How Do G2 Users Rate Retention.com?**

- **Has the product been a good partner in doing business?:** 9.3/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.8/10 (Category avg: 8.9/10)
- **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10)

**Who Is the Company Behind Retention.com?**

- **Seller:** [Retention.com](https://www.g2.com/sellers/retention-com)
- **Company Website:** https://retention.com
- **Year Founded:** 2019
- **HQ Location:** Austix, TX
- **Twitter:** @Retentiondotcom (632 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/51597089/ (55 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** CEO, Founder
  - **Top Industries:** Consumer Goods, Marketing and Advertising
  - **Company Size:** 81% Small-Business, 11% Mid-Market


#### What Are Retention.com's Pros and Cons?

**Pros:**

- Ease of Use (8 reviews)
- Easy Setup (8 reviews)
- Easy Implementation (5 reviews)
- Effective (5 reviews)
- Revenue Growth (5 reviews)

**Cons:**

- Lead Quality (4 reviews)
- Email Issues (2 reviews)
- Poor Customer Support (2 reviews)
- Contact Management (1 reviews)
- Data Limitations (1 reviews)

### 4. [Wunderkind](https://www.g2.com/products/wunderkind/reviews)
  Wunderkind is an advanced AI-driven performance marketing solution designed to assist brands in collecting consent-based, first-party data and identifying anonymous traffic. This innovative platform enables businesses to scale hyper-personalized one-to-one messaging, ensuring that marketing efforts resonate with their target audience. By leveraging the proprietary Wunderkind Identity Network, which recognizes 9 billion devices and 1 billion opted-in consumers, brands can effectively trigger impactful offers at the right moment and through the most suitable channels. The target audience for Wunderkind includes businesses across various industries seeking to enhance their marketing strategies through data-driven insights. The platform is particularly beneficial for brands that prioritize personalized communication and aim to optimize their marketing performance across multiple channels, including email, text, and advertising. With the ability to observe 2 trillion digital transactions annually, Wunderkind provides valuable insights that help brands understand consumer behavior and preferences, enabling them to tailor their messaging accordingly. Key features of Wunderkind include its Autonomous Marketing Platform, which integrates seamlessly with existing email service providers (ESPs). This AI engine enhances performance by utilizing the vast data available within the Wunderkind Identity Network. The platform stands out in its category by guaranteeing a lift in revenue for its clients, delivering over $5 billion in directly attributable revenue annually. This level of assurance often positions Wunderkind as a top revenue channel in clients' analytics platforms, making it a reliable choice for brands looking to drive growth. Additionally, Wunderkind's advertising product, WunderKIND Ads, offers a unique user-first ad experience across a curated selection of top-tier publishers. This approach ensures that high-impact ads are delivered in a non-intrusive manner, enhancing user satisfaction while maximizing returns for both advertisers and publishers. By focusing on creating a positive experience for users, Wunderkind not only improves engagement but also fosters brand loyalty. Overall, Wunderkind provides a comprehensive solution for brands aiming to achieve efficient growth through data-driven marketing strategies. By harnessing the power of AI and first-party data, businesses can enhance their outreach and drive significant revenue growth, making Wunderkind a valuable partner in the competitive landscape of performance marketing.


  **Average Rating:** 4.4/5.0
  **Total Reviews:** 88
**How Do G2 Users Rate Wunderkind?**

- **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 9.1/10)
- **Quality of Support:** 9.0/10 (Category avg: 8.9/10)
- **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10)

**Who Is the Company Behind Wunderkind?**

- **Seller:** [Wunderkind](https://www.g2.com/sellers/wunderkind)
- **Company Website:** https://www.wunderkind.co/
- **HQ Location:** New York, NY
- **Twitter:** @Wunderkind (2,203 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/65582532/ (502 employees on LinkedIn®)

**Who Uses This Product?**
  - **Top Industries:** Retail, Apparel & Fashion
  - **Company Size:** 42% Mid-Market, 31% Small-Business


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

**Pros:**

- Customer Support (33 reviews)
- Helpful (31 reviews)
- Business Growth (30 reviews)
- Team Helpfulness (25 reviews)
- Results (22 reviews)

**Cons:**

- Limited Features (11 reviews)
- Insufficient Support (8 reviews)
- Limited Functionality (8 reviews)
- Missing Features (8 reviews)
- Delays (7 reviews)

### 5. [FullContact](https://www.g2.com/products/fullcontact/reviews)
  FullContact is a privacy-safe Identity Resolution company building trust between people and brands. We deliver the capabilities needed to create tailored customer experiences, improve ad targeting along with measurement as well as improve identity verification and fraud solutions by unifying data and applying insights in the moments that matter.


  **Average Rating:** 4.3/5.0
  **Total Reviews:** 98
**How Do G2 Users Rate FullContact?**

- **Has the product been a good partner in doing business?:** 8.8/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.7/10 (Category avg: 8.9/10)
- **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10)

**Who Is the Company Behind FullContact?**

- **Seller:** [Ziff Davis](https://www.g2.com/sellers/ziff-davis)
- **Company Website:** https://www.ziffdavis.com/
- **Year Founded:** 1995
- **HQ Location:** New York
- **Twitter:** @ziffdavis (1,424 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/ziff-davis-inc/ (6,594 employees on LinkedIn®)

**Who Uses This Product?**
  - **Top Industries:** Computer Software, Marketing and Advertising
  - **Company Size:** 74% Small-Business, 21% Mid-Market


### 6. [LiveRamp](https://www.g2.com/products/liveramp/reviews)
  LiveRamp enables brands, publishers, and platforms to deliver exceptional experiences and drive measurable performance everywhere it matters with the world’s most powerful data collaboration network. Built for interoperability across identifiers, platforms, partners and clouds at scale and powered by its identity resolution technology, the LiveRamp Data Collaboration Platform enables its customers to build enduring brand and business value by collaborating responsibly with data.


  **Average Rating:** 4.2/5.0
  **Total Reviews:** 102
**How Do G2 Users Rate LiveRamp?**

- **Has the product been a good partner in doing business?:** 8.7/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.2/10 (Category avg: 8.9/10)
- **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10)

**Who Is the Company Behind LiveRamp?**

- **Seller:** [LiveRamp](https://www.g2.com/sellers/liveramp)
- **Year Founded:** 2011
- **HQ Location:** San Francisco, CA
- **Twitter:** @LiveRamp (6,442 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/2241197/ (1,537 employees on LinkedIn®)
- **Ownership:** NYSE: RAMP

**Who Uses This Product?**
  - **Top Industries:** Marketing and Advertising, Financial Services
  - **Company Size:** 48% Enterprise, 32% Mid-Market


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

**Pros:**

- Ease of Use (11 reviews)
- Platform Integration (10 reviews)
- Audience Activation (6 reviews)
- Data Management (6 reviews)
- Channel Management (5 reviews)

**Cons:**

- Difficult Learning (6 reviews)
- Learning Curve (4 reviews)
- Long Waiting Times (4 reviews)
- Poor Customer Support (4 reviews)
- Complexity (3 reviews)


    ## What Is Identity Resolution Software?
  [Digital Advertising Tech](https://www.g2.com/categories/digital-advertising-tech)
  ## What Software Categories Are Similar to Identity Resolution Software?
    - [Customer Data Platforms (CDP)](https://www.g2.com/categories/customer-data-platform-cdp)
    - [Personalization Software](https://www.g2.com/categories/personalization)