The core activity of One FM GmbH is comprehensive property management, including: building maintenance (maintenance, care and repair of buildings), cleaning (object cleaning and individual cleaning solutions), maintenance (technical maintenance and servicing of systems), environmental work (care of gardens, green spaces and outdoor facilities), and technical facility management (monitoring and maintenance of technical systems). The company offers these services as an all-in-one solution to ensure the preservation of value and operational capability of real estate and to increase their value.