The core activity of TORNADE is to provide services in the field of cleaning and maintenance of properties, offices and other facilities. This includes in particular: Regular cleaning of offices and other premises, removal of dirt and waste, maintenance and upkeep of small appliances and facilities, periodic cleaning of windows and showcases, and special cleaning services such as spring cleaning, post-move cleaning and maintenance of administrative buildings. The company offers these services to various customer groups, including property owners, tenants, architects and property managers.