Vodafone is one of the world’s leading mobile communications providers, operating in 26 countries and in partnership with networks in over 55 more. Across the world, they have almost 444 million customers and around 19.5 million in the 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 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.
Gamma Mobile is a mobile service built exclusively for the UK business market, designed to deliver improved coverage for voice and data. With Gamma, you get access to the biggest and most reliable data network in the UK. 4G comes as standard.