Founded in 1912, the company is headquartered in Hanover and operates additional locations in Bremen, Dresden, Göttingen, Hamburg, Cologne, Leipzig, Magdeburg, Nuremberg, Oldenburg and Riesa. It provides a comprehensive range of facility and support services in the areas of cleaning and maintenance, technical services, security, hygiene and temporary staffing. The company primarily serves office and commercial properties, healthcare facilities, trade fairs and events, industrial and commercial customers, airports and hotels. Through its nationwide presence and broad service portfolio, the company offers integrated solutions for the management, maintenance and operation of buildings and facilities.