No. 14 of 25 ·Identity Resolution Software

Epsilon COREid

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Freedom report

One barScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely0 of 6 device platforms
DocumentedPlans, terms and facts published

Epsilon COREid is ranked #14 of 25 in identity resolution software on Freedom251.

Compared on identity resolution software

Matching approach: hybrid
Household matching: Yes

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The record

Product: COREid services provide identity resolution to recognize and reach more than 200 million U.S. consumers in a privacy-safe way.
Identity model: COREid connects interactions across channels and disparate systems to a single consumer identity.
Data foundation: The EMEA product page says COREid is built on verified name and address data.
Data network: Epsilon says publisher partnerships and continuous validation have strengthened COREid for over a decade.
Identity matching: The product page says COREid uses AI to identify and evaluate probabilistic matches between data.
Profile resolution: COREid links disparate data to individuals in a pseudonymized view and fills data gaps to reduce inaccuracies and redundancies.
Channels: The product page names display, video, connected TV, social, audio and in-store as channels for COREid-powered engagement.
Measurement: The product page says closed-loop attribution connects exposure to verified sales and engagement data.
Privacy: Epsilon says COREid data is pseudonymized before entering the digital ecosystem and describes the data as privacy-centric.
Cookie reliance: Epsilon says COREid does not rely on third-party cookies.
Scale: Epsilon reports more than 17,000 PubLink integrations and a similar number of direct publisher relationships on CORE Private Exchange.
Getting started: Epsilon directs prospective customers to contact an expert to discuss accessing data quality and deploying identity resolution.
Company history: Epsilon says it was founded in 1969.
Founded: 1969

Where it ranks on Freedom251

Best Identity Resolution Software in 2026#14 of 25

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Sources

epsilon.com/us/products-and-services/identity-core-· checked 4 Oct 2026
epsilon.com/emea/products-and-services/identity-cor· checked 4 Oct 2026
epsilon.com/us/learn/third-party-cookies· checked 4 Oct 2026
epsilon.com/us/about-us/epic-blog/csr-that-grows-cy· checked 4 Oct 2026