Epsilon, a privately owned company headquartered in the US, is a subsidiary of Publicis Groupe, with a portfolio that includes subsidiaries such as Catapult Marketing, CitrusAd, Conversant, and Lotame. Founded in 1969, the company employs approximately 11,130 individuals and reported $1.8B in revenue as of 2024. Functioning as a tier 1 media tech buyer, Epsilon specializes in providing marketer and agency technology, operating as a global advertising and marketing technology company.

2024 Revenue

Founded

1969

Headcount

11,125

Headquarters

US

Primary Segment

Marketer and agency technology

Ownership

Privately Owned

Deployments

12

News Summary:

On April 30, 2026, Epsilon introduced "Epsilon Accelerate," a platform offering no-code marketing-led tools for website personalization, empowering marketers to build, test, and optimize web experiences independently, addressing rising customer expectations and shrinking campaign timelines. Also on April 30, the company discussed "The CTV paradox," observing that despite the expansion of streaming options and content, marketers face increasing challenges in connecting with audiences via Connected TV (CTV), which remains a core element of the digital marketing mix. Previously, on April 29, Epsilon outlined three key elements for successful retail media strategies, noting the rapid growth of retail media as an advertising channel while cautioning that successful brand returns are not guaranteed, as retailers increasingly provide brands access to shoppers across various environments through their data and media inventory. On April 28, Micro Center launched its "Micro Center Retail Media" offering, powered by Epsilon's capabilities in AI, person-level identity, and closed-loop measurement to provide measurable impact for advertisers. On the same day, Epsilon published insights from its ongoing surveys detailing how consumers use and engage with AI in 2026, tracking its growing integration into daily lives amid the evolving AI landscape.

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Epsilon offers 4 products in the ad tech and services and media and telecoms services industries. Epsilon's product portfolio comprises of search, social, and retail media, marketer and agency technology and RTB and programmatic.
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Epsilon's revenues were over $1B in 2024. Caretta Research has split Epsilon's revenue into 4 different product categories, the largest of which is customer data platforms (CDP). For full access to Epsilon's revenue breakdown subscribe to Caretta Portal.
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Epsilon's customers primarily consist of retail Pharmacies, hospitality and physical retail companies. Examples of Epsilon's customers include Costco Wholesale, Marriott International and Walgreens.

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