1&1 Drillisch AG, a German telecommunications holding company, provides a range of services including broadband connections, mobile tariffs, smart home solutions, IPTV, and online storage. The company operates through two segments: Access, which focuses on online products and applications, and Mobile Network, responsible for the mobile communications network's operation and expansion. It holds service provider licenses for Telefonica and Vodafone, offering both prepaid and postpaid wireless services.