⚡ Identity Resolution

Identity resolution services match data from multiple sources to create a unified profile of a user or company across devices, websites, and platforms.

They are used for targeted advertising, customer analytics, lead generation, and personalized marketing.

According to our statistics, identity resolution software is used on 0.8% of all websites.
84.4% of these sites use only one identity resolution software solution, 10% use two, and 5.6% use three or more simultaneously.

⭐ Most Popular in 2026

The following chart shows the leading identity resolution software in 2026, based on market share.

The most popular is ZoomInfo WebSights with a share of 19.3%, followed by Leadfeeder with 17.4% and LiveRamp with 11.7%.

🚀 Country Highlights

Here is a list of software that is especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.

✨ Best Identity Resolution Software

Below is a more detailed list of the top 25 of the 33 identity resolution software solutions we detect, ranked by their market share.

RankNameMarket share
1
ZoomInfo WebSights
Vancouver, Washington, United States

A B2B visitor identification platform that combines website behavioral analytics with prospecting and company intelligence data to reveal which businesses visit a website.

Free$15,000+/year
2
Leadfeeder
Karlsruhe, Germany

A B2B visitor identification software that tracks and identifies companies that visit your website - even if they don't leave their contact information.

Free$1,188/year
3
LiveRamp
San Francisco, California, United States

A data collaboration platform that provides identity resolution and data onboarding services to help organizations connect, match, and activate customer data across marketing and advertising systems.

$5,000+/month
4
Lotame
Columbia, Maryland, United States

An end-to-end data collaboration platform that enables digital marketers to unify, analyze and activate data.

$$$
5
Leadinfo
Capelle aan den IJssel, Netherlands

A lead generation platform that identifies companies visiting a website to help B2B sales and marketing teams discover potential prospects.

$107+/month
6
ID5
London, United Kingdom

An omnichannel identity platform powering addressable advertising for brands and publishers.

$$$
7
Apollo
Covina, California, United States

A sales intelligence and engagement platform designed to give sales teams and marketers the tools they need to efficiently find, engage, and convert prospects.

Free$59+/month
8
Epsilon
Irving, Texas, United States

An enterprise marketing and advertising platform that uses AI and a proprietary identity database to deliver personalized, data-driven campaigns across digital and offline channels.

$$$
9
Lead Forensics
London, United Kingdom

A B2B website visitor identification and lead generation software.

$6,000+/year
10
TruAudience
Chicago, Illinois, United States

A suite of solutions for privacy-first identity resolution, data enrichment, audience targeting and advanced analytics.

$400,000/year
11
Demandbase
San Francisco, California, United States

A B2B marketing platform that combines data enrichment, account intelligence, and account-based marketing tools to help companies identify, target, and engage business accounts.

$$$
12
Wunderkind
New York, United States

A performance marketing solution for brands, publishers, and advertisers.
13
Claritas
Cincinnati, Ohio, United States

An omnichannel marketing and audience intelligence platform that helps organizations analyze consumer behavior and build targeted audiences for advertising and customer acquisition.

$1,645+/year
14
Spotler
The Hague, Netherlands

A marketing and customer engagement platform specializing in email marketing and marketing automation.

£300+/month
15
Fingerprint
Chicago, Illinois, United States

A commercial browser fingerprinting solution that queries browser attributes and computes a hashed visitor identifier from them.

FreeOpen source$99+/month
16
Listrak
Lititz, Pennsylvania, United States

A cross-channel marketing automation platform designed for the retail industry.

$$$
17
Qualified
San Francisco, California, United States

A conversational marketing platform designed to help B2B companies connect with qualified buyers in real time and engage with them instantly.

$3,500+/month
-
SalesViewer
Bochum, Germany

A sales tracking and lead generation platform that identifies anonymous website visitors and translates their visits into B2B sales and marketing signals.

€99+/month
19
Visitor Queue
London, Ontario, Canada

A B2B online website visitor tracker that tells you the contact details of the businesses that visit your website.

$39+/month
20
Warmly
Houston, Texas, United States

A solution that identifies individuals and businesses visiting your site and automates personalized outreach to them.

$10,100+/year
21
Lytics
Portland, Oregon, United States

A customer data platform built on Google Cloud that helps companies collect, unify, and activate first-party customer data from multiple sources while maintaining control over security, privacy, and governance.

Free$500+/month
22
Customers.ai
Boston, Massachusetts, United States

A visitor identification and prospecting platform that provides B2C businesses and marketing agencies with tools to find and engage customers.

$199+/month
23
Intent IQ
Long Island City, New York, United States

A cross-device identification service for cookieless audience activation.

$$$
24
User.com
Hem, France

A business intelligence and marketing automation platform that includes omnichannel CRM, conversational support, and email marketing tools.

$$$
25
Whois Visiting
Northampton, United Kingdom

A qualitative data platform that identifies companies visiting your website using reverse IP tracking.

$69+/month
Data is based on the analysis of 3,333,506 websites.
Statistics were last calculated on .
For details, see our methodology and disclaimer.