Mobile Communications Business Group, Sony Corporation and in short, Sony Mobile (Japanese: ソニー株式会社移動体通信事業グループ) is a multinational telecommunications company founded on October 1, 2001 as a joint venture between Sony Group Corporation and Ericsson, headquartered in Tokyo, Japan and wholly owned by Sony. It was originally incorporated as Sony Ericsson Mobile Communications, and headquartered in London, England, until Sony acquired Ericsson's share in the venture on February 16, 2012.On April 1, 2021, Sony integrated its electronics businesses including Sony Mobile into one company called Sony Corporation.