O'Key Group S.A., together with its subsidiaries, operates a retail chain in Russia. It primarily operates hypermarkets under the O’KEY brand name; and discounter stores under Da! brand name. 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 founded in 2002 and is based in Luxembourg, Luxembourg.