Nuuday is a privately owned company based in Denmark. It is a subsidiary of TDC Group and operates subsidiaries including Eesy, Fullrate, Hiper, Relatel, TDC Erhverv, Telmore, and YouSee. Founded in 2019, the company employs approximately 3010 individuals and reported $2.1B in revenue as of 2024. Functioning as a telecommunications and digital services provider, Nuuday serves approximately six million customer relations across Danish households and businesses. Established as the customer-facing service arm of the former TDC Group following a strategic split from its infrastructure entity, TDC NET, Nuuday operates a diverse house of brands including YouSee, Telmore, Hiper, eesy, and TDC Erhverv. The company offers a comprehensive suite of connectivity, communication, and entertainment solutions, such as mobile, broadband, TV, and complex B2B services. Nuuday is currently undergoing a multi-year digital transformation, partnering with Netcracker and Kyndryl, to replace legacy mainframe systems with a modern, cloud-native IT stack, aiming to modernize its digital telco capabilities in Europe.