The company's purpose is to provide technical and economic consulting services, engineering services and expert opinions, in particular in all areas of building physics, acoustics, building services and environmental technology, as well as the purchase, development, management and sale of properties. 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 securities for the liabilities of affiliated companies.