mobilezone holding ag, together with its subsidiaries, provides mobile and fixed-line telephony, Internet, and digital TV marketing services for various network operators in Switzerland and Germany. The company also sells mobile communications devices, such as mobile phones, tablets, and wearables, as well as related accessories; and offers post- and pre-paid mobile subscription services. In addition, it provides consulting, fleet management, and outsourcing services; repair and related logistics services for mobile phones, tablets, and other electronic devices; brokerage of mobile phone contracts; and insurance products. The company offers its products and services through its online portals managed by third parties and partner-managed shops; and specialist retailers under the TalkTalk brand in Switzerland and the High brand in Germany. As of December 31, 2021, it operated 124 shops in Switzerland. The company was founded in 1999 and is headquartered in Rotkreuz, Switzerland.