Epsilon
Updated in September, 2025
Epsilon is a global advertising and marketing technology company within Publicis Groupe. They specialize in connecting advertisers with consumers to drive performance while upholding privacy and protecting client data. Epsilon helps clients leverage their first-party data to enhance, activate, and measure campaigns confidently, supporting an open, privacy-first advertising ecosystem. With decades of experience, Epsilon has developed the industry's most comprehensive identity graph, enabling brands, agencies, and publishers to reach real consumers across all channels and the open web.
Overview
10,001+ employees
1969
$151 - 200
$10k
San Francisco, US
1-2 weeks
Epsilon
San Francisco, United States
Epsilon provided
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What clients love most
Not for everyone, and here's why
Epsilon is praised for its extensive knowledge in IT services, particularly in marketing technology. Clients appreciate their ability to provide tailored solutions based on deep industry expertise.
Some clients express concerns about Epsilon's pricing model, indicating that their services can be on the higher end compared to competitors. This may pose a challenge for smaller businesses.
Customer sentiment at a glance
Epsilon stands out as a reputable IT service provider with extensive expertise, strong client support, and innovative solutions. However, potential clients should weigh the high costs and onboarding complexities against the value Epsilon offers.
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