O2 & Telefónica O2 is the commercial brand of Telefónica UK Limited, a leading digital communications company owned by Telefónica S.
A. With over 25 million customers across the UK, O2 is one of the world’s most innovative companies putting our customers at the heart of everything we do.
We are much more than just a network. We open up the endless possibilities of technology, connecting our customers to the things that they love and exploring new ways to open up the world for them.
With over 450 stores across the UK, our retail team is at the forefront of offering.