Epsilon's direct competitors depend on the specific commercial sector being analyzed. In the marketing technology, consumer data analytics, and customer loyalty management industry (Epsilon under Publicis Groupe), its primary competitors include major enterprise players like Merkle (Dentsu), Acxiom, LiveRamp, Experian Marketing Services, Salesforce Marketing Cloud, and Adobe Experience Platform. In the separate advanced battery materials sector (Epsilon Advanced Materials), competitors include global lithium-ion anode and cathode manufacturers such as BTR New Material Group, Shanshan, Ningbo Rongbai, and Umicore.