Epsilon Digital

Leading provider of first-party data and identity solutions for enterprise marketers

Epsilon Digital operates as a major division within Epsilon, which itself is a subsidiary of Publicis Groupe following its $4.4 billion acquisition in 2019. The company provides comprehensive digital marketing and advertising technology solutions that leverage one of the world's largest permission-based first-party data assets. Epsilon Digital specializes in identity resolution, audience targeting, programmatic advertising, and personalized marketing across channels, serving as a critical bridge between data-driven insights and marketing execution. The platform combines Epsilon's core strengths in data management and customer intelligence with advanced advertising technology capabilities. Epsilon Digital offers solutions including CORE ID (identity resolution), audience activation across programmatic channels, email marketing at scale, and loyalty marketing programs. The company serves major brands and agencies seeking to leverage first-party data for more effective customer engagement and advertising performance. As part of Publicis Groupe, Epsilon Digital benefits from integration with one of the world's largest advertising and communications conglomerates while maintaining its distinct technology platform and data assets. The company positions itself as a leader in the evolving privacy-focused advertising landscape, emphasizing its first-party data capabilities and cookieless targeting solutions as the industry transitions away from third-party cookies.