EE (formerly Everything Everywhere) is a British mobile network operator, internet service provider and a division of BT Group. As of 2019 it is the largest mobile network operator in the UK, with around 32 million customers. The company was formed in 2010 as a joint venture between Deutsche Telekom and France Télécom (now Orange S.A.), and was acquired by BT in January 2016. Since April 2018 it has been part of BT's consumer division which operates three brands: BT, EE and Plusnet. EE has its headquarters in Hatfield and has main offices at BT Centre in London, Bristol, Darlington, Doxford, Greenock, Merthyr Tydfil, North Tyneside, Plymouth and Leeds. As of 23 November 2016, EE's 4G & 2G networks' combined coverage reaches more than 99% of the UK population, with double speed 4G reaching 80%, while EE's 3G network reaches 98% of the population.