About O2 Business
70+ active O2 Business promo codes and discounts as of May 2021. Free O2.co.uk coupons verified to instantly save you more for what you love. Last Updated: Nov 27, 2020 07:17:56. O2 | Mobile Phones, Mobile Broadband and Sim Only Deals on O2. O2 is a leading provider of mobile phones, mobile broadband and sim only deals. Explore My O2, Priority, O2 Refresh, O2 WiFi and much more at O2.co.uk. 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 23 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.