Telefónica Germany GmbH & Co. OHG (German pronunciation: [teləˌfɔnɪkaː ˈdʒœːɐ̯məniː]; also called Telefónica Deutschland [-ˈdɔʏtʃlant]) is a provider of broadband, landline and mobile telecommunications in Germany. The company trades as O2 (typeset as O2).