The company's purpose is to provide consulting, planning and optimization services in the field of energy and building technology, particularly in the areas of heating, ventilation, air conditioning, refrigeration and sanitary systems, as well as the execution of engineering and planning work for building services, energy concepts, energy consulting and overall coordination. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and 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 subsidiaries and third parties.