⚡ 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 0.6% of all websites.
85% of these sites use only one identity resolution software solution, 9.8% use two, and 5.1% use three or more simultaneously.

⭐ Most Popular in 2025

The following chart shows the leading identity resolution software in 2025, based on market share.

The most popular is ZoomInfo WebSights with a share of 21.4%, followed by Leadfeeder with 21% and LiveRamp with 14.9%.

ZoomInfo WebSights 21.4%
Leadfeeder 21%
LiveRamp 14.9%
Lotame 13.1%
ID5 8.9%
Lead Forensics 5.6%
Apollo 5.4%
TruAudience 5%
Wunderkind 4%
Spotler 3.4%
Listrak 2.9%
Qualified 2.7%
Fingerprint 2.2%
Visitor Queue 2%
Lytics 1.4%

You can also drill down by country:

🚀 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.

Leadfeeder is #1 in Germany ^(-1)
Lead Forensics is #1 in the United Kingdom ^(-5)
Spotler is #1 in the Netherlands ^(-9)
Lotame is #2 in the United States ^(-2)

✨ Best Identity Resolution Software

Below is a more detailed list of the top 25 of the 29 identity resolution software solutions we detect, ranked by their market share.

Rank	Name	Market share
1	ZoomInfo WebSights Vancouver, Washington, United States A B2B visitor identification software that combines behavioral analytics and prospecting data. $$$	21.4%
2	Leadfeeder Karlsruhe, Germany A B2B visitor identification software that tracks and identifies companies that visit your website - even if they don't leave their contact information. Free$1,188/year	21%
3	LiveRamp San Francisco, California, United States A data collaboration platform whose services include data onboarding and identity resolution. $5,000+/month	14.9%
4	Lotame Columbia, Maryland, United States An end-to-end data collaboration platform that enables digital marketers to unify, analyze and activate data. $$$	13.1%
5	ID5 London, United Kingdom An omnichannel identity platform powering addressable advertising for brands and publishers. $$$	8.9%
6	Lead Forensics London, United Kingdom A B2B website visitor identification and lead generation software. $6,000+/year	5.6%
7	Apollo Covina, California, United States A sales intelligence and engagement platform designed to give sales teams and marketers the tools they need to efficiently find, engage, and convert prospects. Free$59+/month	5.4%
8	TruAudience Chicago, Illinois, United States A suite of solutions for privacy-first identity resolution, data enrichment, audience targeting and advanced analytics. $400,000/year	5%
9	Wunderkind New York, United States A performance marketing solution for brands, publishers, and advertisers.	4%
10	Spotler The Hague, Netherlands A marketing and customer engagement platform specializing in email marketing and marketing automation. £300+/month	3.4%
11	Listrak Lititz, Pennsylvania, United States A cross-channel marketing automation platform designed for the retail industry. $$$	2.9%
12	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	2.7%
13	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	2.2%
14	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	2%
15	Lytics Portland, Oregon, United States A customer data platform built on Google Cloud that enables companies to deploy a scalable CDP around their existing data warehouse and lakes, without losing control over their customer data and without compromising security and privacy. Free$500+/month	1.4%
16	Intent IQ Long Island City, New York, United States A cross-device identification service for cookieless audience activation. $$$	1.2%
17	Warmly Houston, Texas, United States A solution that identifies individuals and businesses visiting your site and automates personalized outreach to them. $10,100+/year	1.2%
18	Customers.ai Boston, Massachusetts, United States A visitor identification and prospecting platform that provides B2C businesses and marketing agencies with tools to find and engage customers. $199+/month	1.1%
19	User.com Hem, France A business intelligence and marketing automation platform that includes omnichannel CRM, conversational support, and email marketing tools. $$$	0.7%
20	Whois Visiting Northampton, United Kingdom A qualitative data platform that identifies companies visiting your website using reverse IP tracking. $69+/month	0.7%
21	CANDDi Manchester, United Kingdom A sales and marketing tool that identifies your website visitors and turns them into hot leads for your sales team. $249+/month	0.6%
22	Zeotap Berlin, Germany An customer data platform that empowers brands to integrate, unify, segment and orchestrate customer data, featuring drag-and-drop interface for data management, out-of-the-box machine learning models, and cookieless ID support. $$$	0.6%
23	Gravito Helsinki, Finland A Finnish consent management platform with built-in identity resolution. $$$	0.5%
24	Happierleads London, United Kingdom An AI lead capture platform that identifies company and personal data and engages anonymous website visitors. Free$99+/month	0.4%
25	Cordial San Diego, California, United States An enterprise cross-channel messaging platform that supports batch and automated messaging across email, mobile, social media and SMS. $125,000+	0.4%

Data is based on the analysis of 2,764,714 websites.
Statistics were last calculated on December 28, 2025.
For details, see our methodology and disclaimer.