The core activity of Gashi Hauswartungen und Reinigungen GmbH is the provision of facility management services, particularly in the areas of: property management (maintenance and upkeep of properties), cleaning (window cleaning, floor cleaning, construction and basic cleaning, mineral facade cleaning, metal and glass facade cleaning), building technology (maintenance and repair of building technology), and additional services such as holiday services, laundry services, troubleshooting, and waste disposal. The company thus offers comprehensive services for the maintenance and care of properties.