The core activity of 65 Lémanic Sàrl encompasses a wide range of services in the field of building maintenance and renovation, including: interior and exterior space maintenance and renovation (e.g. painting, tiling, carpentry, etc.); garden and landscape maintenance (e.g. lawn care, roof cleaning, etc.); sanitary and heating technology (e.g. installation, maintenance and repair of heating systems, sanitary facilities, etc.); and the installation of renewable energy systems (e.g. solar systems, heat pumps, etc.). The company also offers subcontracting services, where its employees work for other companies.