mobilezone holding AG engages in the telecommunications industry, focusing on mobile and fixed network telephony. It operates through the Trade and Service Providing business segments. The Trade segment focuses on distribution, wholesale and retail trading, consulting, as well as customized solutions in the areas of fleet management and outsourcing. The Service Providing segment offers mobile, fixed-line telephony, Internet and repair services. The company was founded by Rudolf Baer and Martin Lehmann in May 1999 and is headquartered in Regensdorf, Switzerland.