Best Identity Resolution Software - Page 3

How Many Identity Resolution Software Products Does G2 Track?

Total Products under this Category: 73

Category Stats (Sep 2026)

  • Average Rating: 4.37/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: CustomerLabs 1PD Ops Platform (+0.21%) - Among all products in this category, CustomerLabs 1PD Ops Platform recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank Identity Resolution Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 3,000+ Authentic Reviews
  • 73+ 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.

G2 Grid® for Identity Resolution Software

G2 Grid® for Identity Resolution Software plotting products by satisfaction and market presence

Highlighted products: Data 360 (formerly Salesforce Data Cloud), Tealium, Wunderkind, Senzing, Tie, Informatica MDM & 360 Applications, Meiro, and Treasure Data Customer Data Platform.

Underlying data: [Grid® JSON](https://www.g2.com/categories/identity-resolution/grids.json?focus%5B%5D=data-360-formerly-salesforce-data-cloud&focus%5B%5D=tealium-2026-08-12&focus%5B%5D=wunderkind&focus%5B%5D=senzing&focus%5B%5D=tie&focus%5B%5D=informatica-mdm-360-applications&focus%5B%5D=meiro&focus%5B%5D=treasure-data-customer-data-platform)

Verisk Marketing Solutions

Verisk Marketing Solutions is a strategic partner providing foundational data and insights to help brands achieve predictable, profitable, personalized, and privacy-compliant consumer interactions across all stages of the customer funnel. Our award-winning identity resolution and enrichment solutions—coupled with shopping behavior data delivering millions of signals per day—empower brands to craft informed lead management decisions in real time, while maximizing ROI from their campaigns with more precise targeting and propensity capabilities.

Average Rating: 4.3/5.0

Total Reviews: 6

How Do G2 Users Rate Verisk Marketing Solutions?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.1/10)
  • Quality of Support: 10.0/10 (Category avg: 8.9/10)
  • What is your organization's estimated ROI on the product (payback period in months)?: 3.3/10 (Category avg: 10/10)

Who Is the Company Behind Verisk Marketing Solutions?

  • Seller: Verisk
  • Year Founded: 1971
  • HQ Location: Jersey City, NJ
  • LinkedIn® Page: www.linkedin.com
    5,890 employees on LinkedIn®
  • Ownership: NASDAQ: VRSK

Who Uses This Product?

  • Company Size: 33% Medium, 33% Large

What Do G2 Reviewers Say About Verisk Marketing Solutions?

AI-generated summary from verified user reviews

Pros
  • Users value the ability to generate insights, enhancing compliance and benefiting from a strong user base.
  • Users value the insight generation capability of Verisk Marketing Solutions, enhancing compliance and user engagement.
  • Users appreciate the Real-Time Compliance Tools of Verisk Marketing Solutions, enhancing their lead generation efforts significantly.
  • Users appreciate the Real-Time Compliance Tools feature of Verisk Marketing Solutions for enhancing compliance efficiency.
Cons
  • Users note that the dashboard UI could be improved, but it still manages to fulfill its purpose.
  • Users find the dashboard poorly designed, suggesting improvements for better usability despite its functionality.

What Are Recent G2 Reviews of Verisk Marketing Solutions?

What Are G2 Users Discussing About Verisk Marketing Solutions?

AtData

AtData's flagship email verification service, SafeToSend, leads the industry in accuracy, security, speed, and ease of use to provide comprehensive email data hygiene and protection against costly, problematic addresses. SafeToSend will confirm the email address is valid by determining if not only the syntax is correct but also if the address meets ISP-specific requirements. We will fix typos, formatting, syntax and other input errors while weeding out damaging addresses to alleviate risk and save your sender reputation. We also provide an engagement score that examines activity signals to identify actively used emails for improved deliverability, better segmentation, and qualifying leads. Our 100% SafeToSend guarantee gives your the peace of mind that your emails are validated, corrected, and safe so your messaging gets to the right audience on the right channel. The results are higher response rates, conversion and profits. Getting started is easy. We make it simple to clean your data through our self-service portal, InstantData. Create a free account and either select your email list from your local device, upload it via FTP or import it from your email marketing platform.

Average Rating: 4.4/5.0

Total Reviews: 26

How Do G2 Users Rate AtData?

  • Has the product been a good partner in doing business?: 9.7/10 (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)?: 3.3/10 (Category avg: 10/10)

Who Is the Company Behind AtData?

  • Seller: Atdata
  • Year Founded: 1999
  • HQ Location: Newton, MA
  • Twitter: @atdata
    3,948 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    42 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 54% Small, 31% Medium

What Are Recent G2 Reviews of AtData?

What Are G2 Users Discussing About AtData?

LayerFive

LayerFive is a privacy-safe, first-party data based identity resolution and identity management platform that resolved cross-device known and anonymous consumer interactions. LayerFive Identity Platform is a brand-owned comprehensive consumer identity management solution that brands use for improving consumer experience, better marketing attribution and analytics and to improve sales and marketing effectiveness.

Average Rating: 4.7/5.0

Total Reviews: 3

How Do G2 Users Rate LayerFive?

  • Quality of Support: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind LayerFive?

Who Uses This Product?

  • Company Size: 67% Small, 33% Large

What Are Recent G2 Reviews of LayerFive?

What Are G2 Users Discussing About LayerFive?

Narrative

Narrative is a data commerce platform that makes it fast and easy to buy, sell, and share data.

Average Rating: 3.7/5.0

Total Reviews: 10

How Do G2 Users Rate Narrative?

  • Quality of Support: 7.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Narrative?

  • Seller: Narrative I/O
  • Year Founded: 2016
  • HQ Location: New York, NY
  • Twitter: @narrative_io
    384 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    33 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 60% Small, 40% Medium

What Are Recent G2 Reviews of Narrative?

What Are G2 Users Discussing About Narrative?

NetOwl Name Matcher

NetOwl NameMatcher, the winner of the MITRE Multicultural Name Matching Challenge, offers the most accurate, fast, and scalable name matching available. Using a revolutionary machine learning-based approach, NetOwl addresses complex name matching challenges.

Average Rating: 4.8/5.0

Total Reviews: 3

How Do G2 Users Rate NetOwl Name Matcher?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.1/10)
  • Quality of Support: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind NetOwl Name Matcher?

  • Seller: NetOwl
  • Year Founded: 1996
  • HQ Location: Falls Church, VA, US
  • Twitter: @NetOwlAnalytics
    102 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Large, 33% Small

What Are Recent G2 Reviews of NetOwl Name Matcher?

What Are G2 Users Discussing About NetOwl Name Matcher?

Neustar PlatformOne

Neustar PlatformOne is an integrated marketing solution that gives marketers a complete, real-time portrait of their customers and prospects based on accurate data, enabling a personalized dialogue across all marketing channels.

Average Rating: 4.0/5.0

Total Reviews: 4

How Do G2 Users Rate Neustar PlatformOne?

  • Has the product been a good partner in doing business?: 7.5/10 (Category avg: 9.1/10)
  • Quality of Support: 9.4/10 (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 Neustar PlatformOne?

  • Seller: Neustar
  • Year Founded: 1996
  • HQ Location: Sterling, VA
  • Twitter: @Neustar
    10,853 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    918 employees on LinkedIn®
  • Ownership: NYSE: NSR

Who Uses This Product?

  • Company Size: 75% Medium, 25% Small

What Do G2 Reviewers Say About Neustar PlatformOne?

AI-generated summary from verified user reviews

Pros
  • Users value the attribution accuracy of Neustar PlatformOne, enhancing targeted campaigns with real-time customer data integrations.
  • Users value the real-time data integration offered by Neustar PlatformOne for precise and targeted audience campaigns.
  • Users appreciate the real-time customer data integration of Neustar PlatformOne, enabling precise and targeted campaigns.
  • Users value the real-time integration of customer data that enhances precision in targeted campaigns.
  • Users value the real-time processing of Neustar PlatformOne, enabling precise and targeted marketing campaigns effectively.
Cons
  • Users encounter sync issues with data delays that can hinder timely campaign implementation during peak times.
  • Users sometimes face data synchronization delays, which can hinder timely campaign implementation during peak times.

What Are Recent G2 Reviews of Neustar PlatformOne?

What Are G2 Users Discussing About Neustar PlatformOne?

33Across

33Across makes the programmatic advertising ecosystem work without cookies, across supply-side platforms, demand-side platforms, publishers, data companies, agencies, and everything in between. Leading global advertisers, platforms, and publishers rely on 33Across to move past cookies and reach consumers in a simple, fair, and transparent manner.

Average Rating: 4.3/5.0

Total Reviews: 125

How Do G2 Users Rate 33Across?

  • Has the product been a good partner in doing business?: 8.2/10 (Category avg: 9.1/10)
  • Quality of Support: 8.4/10 (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 33Across?

  • Seller: 33Across
  • Year Founded: 2007
  • HQ Location: NY, US
  • Twitter: @33Across
    1,238 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    52 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 58% Small, 30% Medium

What Do G2 Reviewers Say About 33Across?

AI-generated summary from verified user reviews

Pros
  • Users value the data-driven innovation of 33Across, enhancing ad effectiveness while prioritizing user privacy and brand safety.
  • Users value the reliability of 33Across, enabling confident decision-making for improved advertising outcomes with privacy assurance.
Cons
  • Users find the complexity of the platform a barrier, especially for those who are new to it.
  • Users find the difficult learning curve frustrating, suggesting improvements in documentation and onboarding for better usability.
  • Users find the inefficient reporting to be problematic, often needing better guidance to navigate the system effectively.

What Are Recent G2 Reviews of 33Across?

4Cite

4Cite offers a full range of real time, triggered, and direct mail marketing services.

Average Rating: 4.8/5.0

Total Reviews: 4

How Do G2 Users Rate 4Cite?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 9.1/10)
  • Quality of Support: 8.9/10 (Category avg: 8.9/10)

Who Is the Company Behind 4Cite?

  • Seller: 4cite
  • Year Founded: 2010
  • HQ Location: Albany, US
  • Twitter: @4citemarketing
    309 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    16 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 75% Small, 25% Large

What Are Recent G2 Reviews of 4Cite?

What Are G2 Users Discussing About 4Cite?

Capturify.io

Capturify.io is an identity resolution platform that turns anonymous website visitors into real, contactable leads. Capturify.io reveals full name, email, physical address, and up to 40 data points on high-intent website visitors - all in real-time and fully privacy-compliant. With seamless integrations, built-in audience segmentation, and automated sales and marketing workflows, Capturify.io empowers sales and marketing teams to dramatically boost conversions, lower acquisition costs, and unlock hidden revenue from existing web traffic/ Whether B2B or B2C, Capturify transforms interest into identity, and identity into opportunity.

Average Rating: 5.0/5.0

Total Reviews: 2

How Do G2 Users Rate Capturify.io?

  • Quality of Support: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Capturify.io?

  • Seller: Capturify
  • Year Founded: 2023
  • HQ Location: Las Condes, CL
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 450% Medium, 100% Small

What Do G2 Reviewers Say About Capturify.io?

AI-generated summary from verified user reviews

Pros
  • Users love the s seamless platform integration of Capturify.io, enhancing lead generation and saving time on manual research.
  • Users value the efficiency improvement from Capturify.io, significantly reducing manual research and enhancing team productivity.
  • Users value the high accuracy of data from Capturify.io, enhancing their understanding of visitor engagement and lead generation.
  • Users praise the real-time processing of Capturify.io, enabling immediate visibility and action on web traffic for better lead generation.
  • Users value the automation capabilities of Capturify.io, enhancing efficiency in linking data with HubSpot.
Cons
  • Users find the difficult setup process time-consuming, but appreciate the helpfulness of the support team.
  • Users express concerns about the limited data export options for small businesses, affecting their ability to segment effectively.
  • The difficult learning curve initially posed challenges, though the responsive support team provided valuable assistance.
  • Users note the need for more flexible pricing, especially for agencies managing multiple domains and clients.
  • Users note the limited customization options in Capturify.io, relying on API calls for more advanced workflows.

What Are Recent G2 Reviews of Capturify.io?

ID5 IdentityCloud

Connect With Your Audience Everywhere The ID5 ID and the ID5 Graph provide you with a complete view of users' digital footprint by resolving identity at the device, individual, and household levels, so you can address audiences and measure performance across channels. Designed to adapt to technical shifts and regulatory changes, our technology evolves to meet today's and tomorrow's identity needs, reducing fragmentation and respecting privacy at every step.

Average Rating: 3.8/5.0

Total Reviews: 2

How Do G2 Users Rate ID5 IdentityCloud?

  • Quality of Support: 8.3/10 (Category avg: 8.9/10)

Who Is the Company Behind ID5 IdentityCloud?

  • Seller: ID5
  • Year Founded: 2017
  • HQ Location: London, GB
  • LinkedIn® Page: www.linkedin.com
    65 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Do G2 Reviewers Say About ID5 IdentityCloud?

AI-generated summary from verified user reviews

Pros
  • Users find that ID5’s solution enhances audience activation, allowing for effective ad targeting while maintaining privacy.
  • Users value the effective data management of ID5 IdentityCloud, enhancing campaign performance while respecting user privacy.
  • Users find ID5's solution enhances marketing campaign effectiveness by delivering targeted ads while ensuring user privacy.
Cons
  • Users find integration issues with ID5 IdentityCloud, making data connectivity from other sources challenging and frustrating.
  • Users find ID5 IdentityCloud's limited functionality frustrating due to difficulties linking data from other sources.

What Are Recent G2 Reviews of ID5 IdentityCloud?

Intent IQ

Intent IQ is a cross-channel advertising solution.

Average Rating: 5.0/5.0

Total Reviews: 2

How Do G2 Users Rate Intent IQ?

  • Quality of Support: 9.2/10 (Category avg: 8.9/10)

Who Is the Company Behind Intent IQ?

  • Seller: Intent IQ
  • Year Founded: 2009
  • HQ Location: Long Island City, US
  • LinkedIn® Page: www.linkedin.com
    56 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About Intent IQ?

AI-generated summary from verified user reviews

Pros
  • Users praise the easy setup of Intent IQ, enabling quick integration and enhanced campaign results.
  • Users admire the outstanding campaign results from Intent IQ, boosting revenue and simplifying setup with great features.
  • Users praise the easy setup of Intent IQ, leading to outstanding campaign results and increased publisher revenue.
Cons
  • Users feel that integration issues and customer support need significant improvement for a better experience.
  • Users note that poor support services hinder their experience and highlight the need for improvement in assistance.

What Are Recent G2 Reviews of Intent IQ?

What Are G2 Users Discussing About Intent IQ?

Katch

Katch is the only software platform that enables brands to engage and monetize every buyer - even those that don't transact.

Average Rating: 2.3/5.0

Total Reviews: 2

How Do G2 Users Rate Katch?

  • Quality of Support: 1.7/10 (Category avg: 8.9/10)

Who Is the Company Behind Katch?

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are G2 Users Discussing About Katch?

OnAudience Graph

OnAudience Graph is a cookieless solution that allows marketers to find data about users on the basis on any kind of ID, such as Unified ID 2.0, Xandr ID, or Connected TV IDs. OnAudience Graph also allow marketers to target one user on various devices. Cross-device targeting makes it possible to target your mobile user on desktop too. Our service of ID management is unique on the market. The key benefits of using our OnAudience Graph are: 1. Big scale - we use a large base of IDs, including Public IDs, CTV IDs and MAIDs, to match target audiences with data from other databases 2. We operate on the most popular and the most important IDs on the data market 3. We use our own DMP, which is fast, efficient, and is not generating additional costs, e.g. licensing cost. The product is addressed to every size companies with their own data science team.

Average Rating: 4.5/5.0

Total Reviews: 2

How Do G2 Users Rate OnAudience Graph?

  • Quality of Support: 8.3/10 (Category avg: 8.9/10)

Who Is the Company Behind OnAudience Graph?

Who Uses This Product?

  • Company Size: 50% Large, 50% Medium

What Do G2 Reviewers Say About OnAudience Graph?

AI-generated summary from verified user reviews

Pros
  • Users value the cross-device targeting of OnAudience Graph, enabling seamless campaign adjustments and user reach across devices.
  • Users value the cross-device connectivity of OnAudience Graph, enabling seamless targeting across multiple platforms.
  • Users value the cross-device targeting of OnAudience Graph, enabling effective and flexible marketing campaigns across gadgets.
Cons
  • Users find OnAudience Graph counter-intuitive for campaign comparisons, impacting their ability to effectively analyze performance across devices.

What Are Recent G2 Reviews of OnAudience Graph?

Semcasting

Semcasting is a cookieless identity resolution, audience activation, and measurement platform designed to help organizations accurately identify, reach, and measure real households, individuals, and devices across various digital channels, including Connected TV (CTV), social media, and offline environments. By utilizing a patented identity graph, Semcasting offers a unique approach to resolving identity and precise location using timestamped IP addresses and cross-device signals, all while avoiding reliance on third-party cookies, fingerprinting, or probabilistic modeling. This platform caters to a diverse range of users, including brand marketers, advertising agencies, publishers, and analytics teams across multiple industries such as financial services, healthcare, retail, insurance, B2B, home services, travel, education, and media. Semcasting is particularly beneficial for organizations looking to enhance their marketing strategies through precise audience targeting and measurement capabilities. It serves as a vital tool for identifying anonymous website visitors and ad exposures, onboarding and activating first-party CRM and prospect data, and increasing addressability in CTV and walled-garden platforms. Key features of Semcasting include its ability to measure reach, frequency, lift, and outcomes across various channels, providing users with comprehensive insights into their marketing performance. The platform also supports audience enrichment, allowing organizations to enhance their customer and audience data with household, people-based, and B2B2C attributes. This capability is crucial for businesses aiming to create more personalized and effective marketing campaigns that resonate with their target audiences. Moreover, Semcasting prioritizes privacy and compliance, adhering to standards such as SOC 2 Type II, HITRUST CSF, HIPAA, CCPA, GDPR, and NAI. This commitment to privacy ensures that organizations can utilize the platform's capabilities without compromising the security and confidentiality of their data. By offering a privacy-first solution, Semcasting stands out in the identity resolution landscape, enabling organizations to navigate the complexities of modern marketing while maintaining compliance with evolving regulations.

Average Rating: 4.6/5.0

Total Reviews: 4

How Do G2 Users Rate Semcasting?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.1/10)
  • Quality of Support: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Semcasting?

  • Seller: Semcasting
  • Company Website:
  • Year Founded: 2009
  • HQ Location: North Andover, Massachusetts, United States
  • Twitter: @semcasting
    993 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    41 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Do G2 Reviewers Say About Semcasting?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the automatic audience creation by Semcasting, enhancing their programmatic advertising campaigns efficiently.
  • Users commend the responsive customer support of Semcasting, ensuring timely assistance with any issues encountered.
  • Users value the automatic audience creation feature of Semcasting, simplifying the process of campaign setup.
  • Users appreciate the automation capabilities of Semcasting, which enhance targeted advertising through effective customer profiling.
  • Users value the ease of use of Semcasting, allowing effortless audience creation and seamless customer support.
Cons
  • Users find the difficult learning curve challenging, hindering their ability to optimize campaigns effectively and determine ROI.
  • Users find the inadequate analytics of Semcasting challenging, as it hampers their ability to optimize campaigns effectively.
  • Users find the lack of clear conversion tracking challenging, hindering precise campaign adjustments and ROI measurement.
  • Users face segmentation issues that hinder accurate tracking of clicks and ROI for their advertising campaigns.

What Are Recent G2 Reviews of Semcasting?

What Are G2 Users Discussing About Semcasting?

ActiveIQ

ActiveIQ is an intent technology that transforms B2B ads and content into leads and sales growth. ActiveIQ helps you improve sales efficiency, shorten the sales cycle and increase revenue by optimizing your sales funnel and filling the pipeline with only the most qualified leads from targeted accounts.

Average Rating: 4.5/5.0

Total Reviews: 2

How Do G2 Users Rate ActiveIQ?

  • Quality of Support: 7.5/10 (Category avg: 8.9/10)

Who Is the Company Behind ActiveIQ?

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of ActiveIQ?

Alanna Iwuh
A
Researched and written by Alanna Iwuh
Updated October 3, 2024