Sunrise Communications Group AG operates as a holding company which provides telecommunication services. The company operates through following segments: Residential, Business, Wholesale, and Head Office. The Residential segment provides fixed line and mobile services to residential end customers as well as sales of handsets. The Business segment offers a full range of products and services, from fixed-line and mobile communications to Internet and data services as well as integration services to different business areas such as small and home office, small and medium enterprises, and large corporate clients. The Wholesale segment includes product portfolio which covers voice, data, internet and infrastructure services such as carrier and roaming services, which are marketed to national and international telecom service providers as well as mobile virtual network operators. The Head Office segment comprises support units such as network, information technology, and operations, as well as staff functions like finance, human resources and strategy. The company was founded on January 13, 2015 and is headquartered in Zurich, Switzerland.