Provision of services in the areas of maintenance and cleaning as well as trade in related products and equipment, including import and export. Provision of services of all kinds in the field of facility services, specifically cleaning services (such as construction, glass facade, renovation, renovation, ventilation, maintenance, clean room and special cleaning), facility management (such as contract management, property management, environmental and construction project management), property services (such as operation and maintenance of building technology, caretaking, waste disposal, environmental work, winter service and green space maintenance).