About us


O2 is the commercial brand of Telefónica UK Limited and is a leading digital communications company with the highest customer satisfaction for any mobile provider according to Ofcom. With over 25 million customers, O2 runs 2G, 3G and 4G networks across the UK, as well as operating O2 Wifi and owning half of Tesco Mobile. O2 has over 450 retail stores and sponsors The O2, O2 Academy venues and the England rugby team. Read more about O2 at o2.co.uk/news.

About Telefónica

Telefónica has a significant presence in 21 countries with more than 327 million customers and 123 thousand employees. More information here.

Telefónica UK Limited is registered in England and Wales. Registration number:1743099.

Its registered office is at:
260 Bath Road,
SL1 4DX,
United Kingdom