mobilezone holding ag engages in the provision of telecommunications solutions and services. It operates through the Switzerland and Austria, and Germany segments. The Switzerland and Austria segment is comprised of mobilezone ag, mobilit ag, IT Business Services GmbH, TalkTalk AG, mobiletouch ag, and mobiletouch austria gmbh. The Germany segment consists of mobilezone Deutschland GmbH, einsAmobile GmbH, mobilezone Handel GmbH, powwow GmbH, and powwow Berlin GmbH. The company was founded by Rudolf Baer and Martin Lehmann in 1999 and is headquartered in Regensdorf, Switzerland.