British telecom firms Vodafone Group Plc and CK Hutchison Group Telecom Holdings Limited, a subsidiary of CK Hutchison Holdings Limited, have finalised their £16.5 billion ($20.96 billion) merger to create VodafoneThree, the UK’s largest mobile operator. The deal, originally announced in June 2023, merges the UK operations of both companies to better compete with BT and Virgin Media O2.