O'Key Group S.A., together with its subsidiaries, operates a retail chain in Russia. It primarily operates hypermarkets and supermarkets under the O’KEY brand name; and discounter stores under Da! brand name. As of March 31, 2021, the company operated 195 stores, including 77 hypermarkets and 118 discounter stores in Russia. It is also involved in the operation of an e-commerce platform; real estate business; and supply of food, non-food, and private-label products. The company was formerly known as Dorinda Holding S.A. and changed its name to O’KEY Group S.A. in June 2010. O’Key Group S.A. was incorporated in 2001 and is based in Luxembourg, Luxembourg.