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