A global marketing company that combines data and technology to create personalized advertising and marketing solutions for brands.
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. They help leading brands harmonize consumer engagement across various channels, leveraging capabilities such as data, identity resolution, and AI-driven marketing solutions to create personalized customer experiences and drive business performance.
Our take on Epsilon
Epsilon is a global marketing technology and data services company headquartered in Irving, Texas, operating as part of Publicis Groupe, one of the world's largest communications groups. With thousands of employees worldwide, Epsilon operates at enterprise scale serving major brands across various industries.
It is important to clarify that Epsilon's core business centers on data management, customer loyalty programs, email marketing, and marketing technology platforms—not SEO services. While they offer digital media services that may include search components, characterizing Epsilon as an SEO agency significantly misrepresents their actual focus and capabilities.
Epsilon's strengths lie in data-driven marketing, identity resolution, loyalty program management, and personalization technology. Major brands engage Epsilon for customer data platforms, email marketing at scale, and integrated marketing technology solutions rather than search engine optimization.
Organizations seeking SEO services would find better alignment with agencies specializing in organic search optimization. Epsilon's inclusion in SEO agency comparisons creates misleading context given their fundamentally different service portfolio and market positioning.
Prospective partners should also be aware of Epsilon's regulatory history. The company reached a $150 million settlement with the U.S. Department of Justice in 2021 related to data sales practices, with executives receiving criminal sentences in 2024. While this history relates to a specific business unit's actions and the company has implemented compliance reforms, it represents material information for due diligence processes.
For enterprise organizations seeking data management, marketing technology, or loyalty program solutions, Epsilon offers substantial capabilities backed by Publicis Groupe resources. For SEO services specifically, organizations should evaluate agencies with dedicated search optimization focus and expertise.
Verified credentials and recognition earned by Epsilon
Verified
This agency has a verified website presence.
LinkedIn Verified
This agency has a verified LinkedIn company page.
Rising Star
A promising new agency with a strong initial score.
15+ Years
Established in 1969. Over 15 years of experience.
Enterprise
Enterprise (500+)
Rankings earned on AgencyCluster
Common questions about Epsilon.
Epsilon has earned rankings on 3 AgencyCluster lists: Top 10 Social Media Marketing in Texas, Top 50 Social Media Marketing, Top 25 Social Media Marketing in Texas. Their highest AgencyCluster Score is 72/100. Rankings are merit-based and determined by evidence across six evaluation pillars — agencies cannot pay for higher positions.
In our evaluation for SEO Services, Epsilon scores 72/100 overall. Their strongest areas are Credibility, Proof of Work & Outcomes, Delivery Maturity, Freshness. A high Outcomes score means they have verifiable case studies with measurable results — the most heavily weighted factor in our methodology. Areas with room for improvement include Category Fit.
Epsilon was founded in 1969, giving them over three decades of experience in ppc & performance marketing. In an industry where many agencies are less than 5 years old, 57+ years of sustained operations signals stability, client retention, and the ability to adapt through multiple technology cycles. Today, the team is enterprise.
Agency management fees typically range from 10–20% of ad spend or $3K–$15K/month flat fee. Minimum effective ad budgets are usually $5K–$10K/month per platform. Enterprise brands typically spend $50K–$500K+/month on paid channels. These are industry benchmarks for ppc & performance marketing agencies at the level AgencyCluster curates. Actual pricing for Epsilon will depend on project scope, timeline, and complexity — contact the agency directly for a custom quote.
Yes. Epsilon has been vetted and verified by AgencyCluster's editorial team through a rigorous, multi-factor review process. Unlike self-serve directories, AgencyCluster does not accept automated submissions — every agency is evaluated manually before being published. Our vetting covers identity verification (website, LinkedIn, domain age), business legitimacy (years of operation, team size, registered presence), evidence of work (case studies, portfolio, client outcomes), reputation checks across third-party platforms, activeness and freshness of their online presence, and screening for red flags including misconduct, fraud, or misleading claims. Agencies that fail any critical check are not listed. For Epsilon, verified signals include a functioning website, LinkedIn company profile, 57+ years of operating history (founded 1969), 3 earned rankings on curated top lists.
