About us

Three launched in 2003 as the UK’s first 3G only network, laying its foundations as the network that was born to be different.

Three launched in 2003 as the UK’s first 3G only network. Today Three is a connectivity company that connects people to people, people to things and things to things and has 10.3 million customers.

Our network today covers 99% of the UK population and we carry 29% of the UK’s mobile data traffic.

Three launched 5G in August 2019, and has been recognised by Ookla as having the UK’s fastest 5G network.

Three UK is a proud partner of Samaritans, where it will use the strength of its network and technology to connect 1 million people to emotional support.

Three Best Wholesale Partner at the Mobile Industry Awards and Host Operator of the Year at MVNO World Congress.

Three UK is part of the CK Hutchison Holdings Ltd group of companies which has mobile operations in 11 countries. We employ more than 4,800 people across our offices in Reading and Glasgow and our 297 retail stores.


employees in the UK


of the UK's mobile data traffic


active customers


of contiguous 5G spectrum


mast sites


retail stores in the UK