CASE HUB ARCHIVED–this archived case hub reflects the position at the date of the decision of 20 December 2017; it is no longer maintained. See further, timeline, commentary and related cases. Case facts Outline UK merger investigation into the anticipated acquisition by Tesco plc of Booker Group plc. The transaction involves horizontal overlaps in grocery retailing as well as other non-horizontal overlaps. Latest developments On 20 December 2017, the CMA unconditionally cleared the transaction following its phase 2 investigation, confirming its provisional findings. Parties Tesco plc is a UK-based grocery and general merchandise retailer and is the largest grocery retailer in the UK as well as selling general merchandise, clothing, petrol, mobile telephone services and banking services. In the UK, Tesco operates over 3,500 stores (including supermarkets and convenience stores). Tesco operates stores in 12 countries in Asia and Europe. Tesco also owns Tesco Bank, Tesco Mobile (a MVNO operating in the UK) and dunnhumby (a customer science company providing services to retailers and brands). Booker Group plc (Booker) is a UK based wholesale operator. Booker is the largest food