Rudolf Gröger

O2 Plc used to provide mobile communication services. It used to provide wireless voice telecommunications services including cellular, mobile, paging and unified messaging. The company was founded in 1985 and was headquartered in Slough, UK.

O2 Germany GmbH & Co. OHG provides telecommunications services. It provides mobile services to subscribers in Germany. Its customers include BMW, Christian Dior and TCHIBO. The company introduced 3G service to business and consumer customers and it has a joint venture with TCHIBO to sell pre-paid service under the Tchibo Mobilfunk name. The company was founded in 1995 and is headquartered in Munich, Germany.