Adler Group S.A. engages in the purchase, management, and development of multifamily residential real estate properties in Germany. It operates through Residential Property Management, Adler RE, Consus, and Privatization segments. The company is involved in the rental and management of residential properties, including modernization and maintenance of residential properties, management of tenancy agreements, and marketing of residential units, as well as It also engages in holding, operating, and selling commercial units; and the modernization, maintenance, real estate investment, development of middle income houses, and management of non-vacant units. The company was formerly known as ADO Properties S.A. and changed its name to Adler Group S.A. in September 2020. The company was founded in 2006 and is based in Luxembourg, Luxembourg.