Tesco is a British grocery and general merchandise chain operating more than 7,000 stores throughout the UK and Europe. It is the leading retailer of groceries in the UK and one of the largest in the world by gross revenues. The company was founded in 1919 and has headquarters in Hertfordshire, selling products such as food and beverages, books, furniture, electronics, clothing and fuel. Tesco owns a number of smaller convenience stores such as Budgens, Londis and Premier, as well as operating banking and mobile phone services through its subsidiary brands of Tesco Bank and Tesco Mobile. Tesco stock is listed on the London Stock Exchange and is a constituent of the FTSE 100 index. Spread bet or trade CFDs on our Tesco share price.