About O2

O2 is a mobile network operator and the principal commercial brand of Telefónica UK Limited, which is part of the global telecommunications group Telefónica S.A, headquartered in Spain and operating in Europe, and North, Central and South America.

Their purpose is to make every day better through personal experiences that count. Everything they do is inspired by their company values – bold, open and trusted – along with their business principles, and a clear focus on putting their customers first.

Their customer-led, mobile-first strategy is all about delivering a standout customer experience and helping their customers get the most out of mobile connectivity.

Why O2

  • Find your perfect device and plan
  • Get the phone you want for less
  • Fair deal for all
  • Exclusive experiences every day
  • The ultimate tech support
  • The UK's No. 1 Network