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Brief
Epsilon

Epsilon

Marketing Technologyepsilon.com

Epsilon enables enterprise brands to deliver personalized marketing at scale by combining one of the industry's largest consumer identity graphs with an integrated suite of data, technology, and services.

Last updated Jul 30, 2026 by ATDb automated enrichment · Connections updated Aug 5, 2026

Founded
1969
HQ
Irving, Texas, United States
Connections
79

At a glance

Employees
5001-10000
Funding
Acquired by Publicis Groupe for ~$4.4B in 2019
Revenue
$1B+
Stock
NASDAQ:EPSN
37integrations16competitors8corporate family

About

One of the largest marketing technology and data companies globally, operating as a key data and identity asset within Publicis Groupe

Epsilon is a global marketing technology company that sits at the intersection of data, technology, and services, enabling enterprise brands to deliver highly personalized customer experiences at scale. The company offers a comprehensive suite of solutions spanning loyalty marketing, CRM, digital media, email marketing, and data management, all underpinned by one of the largest proprietary consumer identity graphs in the industry. Epsilon's CORE ID and PEOPLECLOUD platform allow marketers to connect with consumers across channels with precision and relevance. Epsilon operates as a subsidiary of Publicis Groupe, the French multinational advertising and public relations company, which acquired Epsilon in 2019 for approximately $4.4 billion. This acquisition significantly bolstered Publicis's data and technology capabilities, positioning Epsilon as a central pillar of the group's data-driven marketing strategy. Despite being part of a larger holding company, Epsilon continues to operate as a distinct brand and business unit serving clients independently. In the AdTech and MarTech ecosystem, Epsilon is recognized as a major player in identity resolution, first-party data activation, and omnichannel personalization. The company competes with firms like Acxiom, Oracle Marketing Cloud, Salesforce Marketing Cloud, and Adobe Experience Cloud, differentiating itself through its proprietary identity infrastructure, deep loyalty program expertise, and integrated managed services model that combines technology with strategic execution support.

Business model

SaaS + Managed Services

Target market

Enterprise

What they offer

  • CORE ID

    Epsilon's proprietary identity resolution technology that connects consumer data across devices, channels, and environments using a persistent, privacy-safe identifier.

  • PeopleCloud

    An integrated marketing platform that unifies customer data, analytics, and activation capabilities to enable personalized omnichannel engagement.

  • PeopleCloud Loyalty

    A loyalty marketing solution that helps brands design, manage, and optimize loyalty programs to drive customer retention and lifetime value.

  • PeopleCloud Messaging

    An enterprise-grade email and messaging platform enabling personalized, triggered, and transactional communications at scale.

  • PeopleCloud Prospect

    A prospecting and audience targeting solution leveraging Epsilon's data assets to identify and reach high-value new customers.

  • Digital Media Solutions

    Programmatic and data-driven digital advertising services including display, video, and connected TV, powered by Epsilon's identity graph.

  • Epsilon Data

    Access to Epsilon's extensive first- and third-party consumer data assets for audience segmentation, enrichment, and targeting.

  • Agency Services

    Managed services and strategic consulting to help brands plan, execute, and optimize data-driven marketing programs.

Key features

Proprietary CORE ID identity resolution across 200M+ U.S. consumersOmnichannel personalization across email, display, social, CTV, and direct mailFirst-party data activation and enrichmentLoyalty program design and managementReal-time audience segmentation and targetingPrivacy-safe identity graph with deterministic and probabilistic matchingIntegrated managed services model combining tech and human expertiseCross-device and cross-channel attribution

Use cases

Personalized email and CRM marketing at enterprise scaleCustomer loyalty program management and optimizationProspecting and new customer acquisition using data-driven targetingOmnichannel campaign orchestration across digital and offline channelsIdentity resolution and customer data unificationProgrammatic advertising with first-party data activationCustomer lifetime value modeling and predictive analyticsRetail media and co-op advertising programs

Customer segments

Retail and e-commerce brandsFinancial services and bankingAutomotive manufacturers and dealersTravel and hospitalityHealthcare and pharmaceuticalTelecommunicationsConsumer packaged goods (CPG)Media and entertainment

Tech & specs

Technology stack

Proprietary identity graph (CORE ID)Cloud-based data management infrastructureMachine learning and predictive modelingReal-time decisioning enginesAPI-based integrationsCDP (Customer Data Platform) architectureProgrammatic DSP/SSP connectivityEmail delivery infrastructure

Security & compliance

GDPRCCPASOC 2Privacy-safe identity resolutionNAI membershipDAA compliance

Deployment

CloudHybrid

API

Yes

Corporate history
  1. 1969 · Founded
How it came together
  • 2014·AcquiredEpsilon
Year unknown
  • · acquired
See the full lineage →
Connection details
View Epsilon’s full portfolio (7) See alternatives to Epsilon See integrations with Epsilon (37)

Explore further

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