All work related to the maintenance and cleaning of premises and all special work, in particular window cleaning, carpet shampooing, parquet oiling, impregnation of all types of floors; all hygiene and service services in the field of building maintenance, maintenance and operation; all services to users of premises, facade cleaning, exterior and parking maintenance in an environmentally friendly manner; the laying, sanding and impregnation of all types of floors as well as the supply of different coverings (cf. statutes for complete purpose).