Epsilon International is a leading provider of strategic, ROI-focused email communications solutions and marketing automation technologies. Through its combination of innovative technologies, professional and strategic services, Epsilon International helps marketers acquire, grow and retain profitable customer relationships through highly relevant and personalised email communications.




With local offices in the UK, France, Germany, Ireland, Hong Kong, Australia, China, Singapore and headquartered in Dallas, USA, we send over 25 billion emails annually, making Epsilon International the largest sender of permission based email in the world.

Epsilon International is an operating unit of Epsilon, a leading provider of multi-channel marketing services, technologies and database solutions. Epsilon is an Alliance Data company with principle offices in Boston, Dallas, New York, St. Louis and Washington, D.C.

Our Key Strengths

Knowledge & Insight – our experienced teams deliver best practice & offer practical advice for more profitable digital communication

Scalability & Flexibility – proven technical platforms and a creative approach that can deliver on a local or global scale

Deliverability & ISP Relations – a specialist team of deliverability experts and analysts that maintain strong ISP relations around the world

Financial Stability – owned by Alliance Data Services who have a track record of sustained growth & profitability

Integrated Technology – best of breed platforms and a powerful API that seamlessly integrates with your technology