Epsilon COREid
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.
At a glance
- Editor score6.6 / 10
- PricingPricing on request
- Best forEnterprise audience identity and measurement
- Matching approachHybrid
- Founded1969
- Facts checked21 Sep 2026

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.
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Epsilon COREid pricing
Epsilon COREid fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Matching approach | Hybrid |
| Included records | Not verified |
| Real-time API | Not verified |
| Batch file import | Not verified |
| Household matching | Yes |
| Organization matching | Not verified |
| Built for | Enterprise (editorial estimate) |
| Pricing | Pricing on request |
| Website | epsilon.com |
| Facts checked | 21 Sep 2026 |
Alternatives to Epsilon COREid
- Data LadderA broad identity resolution platform for complex matching, deduplication, and golden records.9.3
- AWS Entity ResolutionA usage-priced AWS service for configurable, fuzzy, and ML-assisted record matching.9.2
- Senzing Entity ResolutionA high-scale SDK and API for resolving identities across data sources.8.9
See all Epsilon COREid alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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