Telefónica Germany GmbH & Co. OHG is a provider of broadband, landline and mobile telecommunications in Germany. The company trades as O2 (typeset as O2).
The company was renamed from Telefónica O2 Germany to Telefónica Germany on 1 April 2011 following the completion of a merger with HanseNet. Telefónica Germany purchased E-Plus on 1 October 2014, unifying the business under O2 brand on 3 February 2016. Telefónica Germany's main competitors are 1&1 Mobilfunk, Telekom Deutschland (Deutsche Telekom's German private customer unit) and Vodafone.