TAG Immobilien AG, a real estate company, acquires, develops, and manages residential real estate properties in Germany. The company also rents commercial real estate properties, as well as operates serviced apartments. As of December 31, 2021, it managed approximately 87,600 residential units. The company was formerly known as TAG Tegernsee Immobilien-und Beteiligungs-Aktiengesellschaft and changed its name to TAG Immobilien AG in September 2008. TAG Immobilien AG was founded in 1882 and is headquartered in Hamburg, Germany.