Epsilon Digital
Epsilon Digital is a global marketing company, acquired by Publicis Groupe in 2019 in one of the largest deals in marketing history, positioning it at the center of Publicis operations worldwide, with over 8,000 employees across more than 40 offices.
Last updated Oct 5, 2026 by the ATDb Editorial Team
AI-drafted from public sources4 sources cited
At a glance
- Employees
- 5001-10000
- Funding
- Acquired by Publicis Groupe for $4.4B in 2019
- Revenue
- $2B+ (as part of Epsilon/Publicis Groupe)
About
Leading enterprise identity-based marketing platform with one of the largest proprietary first-party data assets in the U.S., backed by Publicis Groupe
Epsilon Digital is a global marketing company, acquired by Publicis Groupe in 2019 in one of the largest deals in marketing history, positioning it at the center of Publicis operations worldwide, with over 8,000 employees across more than 40 offices. Its focus is enabling brands to maintain ongoing consumer conversations that drive sales and build loyalty, with a continuously evolving product offering aimed at leading industry transformation. Source 1: epsilon.com — About us | The leader in outcome-based marketing
Business model
Managed Service / SaaS / Data Platform
Target market
Enterprise
What they offer
CORE ID
Proprietary people-based identity graph linking hundreds of millions of U.S. consumers across devices and channels using deterministic and probabilistic matching.
Epsilon Digital Media
Programmatic media buying and activation platform leveraging CORE ID for audience targeting across display, video, CTV, and social channels.
Epsilon PeopleCloud
Unified marketing platform combining data, identity, activation, and measurement capabilities for enterprise marketers.
Audience Targeting & Segmentation
Advanced audience building tools using first-party, second-party, and Epsilon proprietary data for precise segment creation and activation.
Loyalty & CRM Solutions
Data-driven loyalty program management and CRM marketing tools integrated with digital activation capabilities.
Measurement & Attribution
Cross-channel measurement and closed-loop attribution solutions connecting digital ad exposure to real-world purchase outcomes.
Conversant Personalization
Individualized digital advertising and personalization engine (via Conversant acquisition) delivering one-to-one messaging at scale.
Key features
Use cases
Customer segments
Tech & specs
Technology stack
Security & compliance
Deployment
API
Yes