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Epsilon COREid

#21 of 25 in Identity Resolution Software

Epsilon COREid: A person-level identity service for enterprise audience recognition, activation, and measurement. Ranked #21 of 25 in Identity Resolution Software by our editors (6.6/10); pricing: Pricing on request; best for enterprise audience identity and measurement.

6.6/10Editor score
Epsilon COREid6.6 Contact Epsilon

At a glance

  • Editor score
    6.6 / 10
  • Pricing
    Pricing on request
  • Best for
    Enterprise audience identity and measurement
  • Matching approach
    Hybrid
  • Founded
    1969
  • Facts checked
    21 Sep 2026
Epsilon COREid screenshot
  • Where it wins

    • Anchors identities to verified name-and-address data
    • Unifies online and offline data with hybrid matching
    • Supports activation, measurement, and closed-loop reporting
  • Where it doesn't

    • Purchasing is handled through contact sales
    • Probabilistic matching requires identity-confidence governance
    • Marketing focus may not suit non-marketing identity programs

Our verdict on Epsilon COREid

Epsilon COREid is an enterprise identity resolution service for brands and marketers that need to connect fragmented online and offline data to persistent, person-level identities. Its identity foundation uses verified name-and-address data, while AI-supported probabilistic matching helps recognize consumers across channels. COREid also supports household and individual identity views, giving marketing teams a way to connect demographic, transactional, and behavioral data for audience activation, personalization, measurement, and closed-loop attribution.

The strongest fit is for organizations that need identity resolution tied directly to marketing execution. COREid supports audience activation across paid and owned channels, cross-channel consumer recognition, real-time campaign measurement, and closed-loop reporting. This combination connects identity work with downstream campaign decisions rather than treating matching as an isolated data-management task. Household support adds another useful dimension for programs that need to distinguish individual identities while also understanding household relationships.

COREid is positioned as a contact-sales service, so it suits enterprise buying processes more than self-serve evaluation. Its hybrid approach combines deterministic identity anchoring with probabilistic matching, which gives teams broader recognition coverage while making identity-confidence governance an important consideration. The service should appeal to brands prioritizing audience identity, activation, personalization, and measurement in one program. Organizations seeking a general-purpose identity platform outside marketing, or a self-directed product with transparent plan-based purchasing, may prefer an alternative.

Your product? Our editors can test Epsilon COREid in depth and publish a review, labelled as paid · from $149/mo →

Epsilon COREid pricing

Plans Pricing on request No free plan — trial or paid only. Prices checked 21 Sep 2026.
See plans on epsilon.com

Epsilon COREid fact sheet

Free planNot verified
Paid fromNot verified
Matching approachHybrid
Included recordsNot verified
Real-time APINot verified
Batch file importNot verified
Household matchingYes
Organization matchingNot verified
Built forEnterprise (editorial estimate)
PricingPricing on request
Websiteepsilon.com
Facts checked21 Sep 2026

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Featured on iTechGuides

Featured on iTechGuides — Epsilon COREid 6.6/10

Epsilon COREid is listed in our Identity Resolution Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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