The company's purpose is to trade in windows, doors and other related products, to carry out all work related to the aforementioned products, to conceive and realize sustainable projects, in particular photovoltaic systems, heat pumps and related systems in the field of renewable energy or energy-saving measures, as well as the associated consulting services. The company also provides all services related to renewable energy, and offers comprehensive services, including consulting, management and execution services of all kinds in the field of facility services, in particular facility management (including contract management, property management, environmental and construction project management), property services (including operation and maintenance of building technology, caretaking, waste management, green space maintenance). The company may establish branches and subsidiaries in Switzerland and abroad, and participate in other companies in Switzerland and abroad, as well as conduct all business that is directly or indirectly related to its purpose. The company may acquire, encumber, sell and manage real estate in Switzerland and abroad. It may also provide financing for its own account or for the account of third parties, as well as provide guarantees and sureties for its subsidiaries and third parties.