Nuuday, a privately owned company headquartered in Denmark and a subsidiary of TDC Group, was founded in 2019, 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 nearly all Danish households and businesses. Established in 2018 as the customer-facing service arm of the former TDC Group, following a strategic split from the infrastructure entity, TDC NET, Nuuday operates a "house of brands" that includes Eesy, Fullrate, Hiper, Relatel, TDC Erhverv, Telmore, and YouSee. The company offers a suite of connectivity, communication, and entertainment solutions, including mobile, broadband, TV, and complex B2B services. Nuuday is undergoing a multi-year digital transformation, partnering with firms like Netcracker and Kyndryl to replace legacy mainframe systems with a modern, cloud-native IT stack.