O2 (UK) O2 (UK) Telefónica UK Limited (trading as O2 – stylised as O) is a telecommunications services provider in the United Kingdom, owned by the Spanish multinational Telefónica, and is headquartered in Slough. With 25 million subscribers (as of December 2017), O2 is the second-largest mobile network operator in the United Kingdom after EE, with Vodafone in third place. O2 was formed in 1985 as Cellnet, a 60:40 joint venture between BT Group and Securicor. In 1999, BT Group acquired Securicor's share of Cellnet and the company was later rebranded as BT Cellnet. In June 2000, BT Cellnet launched the world's
The Labyrinth Tour: Live from the O2 UK Top 10. The track listing announced on 3 November 2010. Taken and adapted from "The Labyrinth" Official Tour Programme. The Labyrinth Tour: Live from the O2 The Labyrinth Tour: Live from the O2 is a live and first video album by British singer Leona Lewis and was recorded on 18 June 2010 in London, while Lewis performed at her tour The Labyrinth. It was released on 29 November 2010 with a 10 track live CD, and a Blu-ray version was also released. The recording was broadcast on UK television channel Watch on 3 December 2010. It entered the Official