GSW Immobilien AG acts as a holding company. The firm and its subsidiaries are housing companies in the state of Berlin. It administers and manages its own residential and commercial properties. The company's portfolio is located in the core regions of Greater Berlin, Rhine-Main region, the Rhineland, Dresden and in Hanover as well as other growing German metropolitans. It has Residential property management, Strategic and Operative sales and Nursing and Assisted living operating segments.