Stefan de Greiff

GBW Oberbayern und Schwaben GmbH engages in building and managing apartments for rent or purchase. The company is a subsidiary of the State of Bavaria and is based in Grunwald, Germany. The CEOs are Claus Lehner, Simone Büber-Monath, Hans Nägel. The German company was founded in 2001.

Aam2Core Holding AG is an investment and asset manager that specializes in the real estate industry in the roof region. The company is based in Frankfurt, Germany, and has subsidiaries in Germany. The German company's core competence lies in active asset management. The private company was founded in 2017.

Dawonia GmbH engages in the design, development, construction, and management of residential real estate properties. It also acquires, sells, and leases properties. The company was founded on July 13, 1936 and is headquartered in Grünwald, Germany.