Epsilon
Login to Claim ProfileUpdated in January, 2026
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
Clients frequently praise Epsilon for their responsive and knowledgeable customer support team, which is available to assist with any issues or inquiries promptly.
Some clients have mentioned that Epsilon's services can be on the pricier side compared to other IT service providers, which may not fit all budgets.
Customer sentiment at a glance
Epsilon is a well-regarded IT service provider known for its strong customer support and comprehensive solutions. Clients appreciate their innovative technology and expertise in data management, although some have noted concerns about pricing and the onboarding process.
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