The company's purpose is to operate and manage an engineering and planning office providing consulting services, engineering services related to energy concepts, general and system planning, and other services in the field of building technology and energy supply of all kinds, in particular heating, ventilation, air conditioning, sanitation, climate cooling, industrial cooling, electrical and other building technology systems including building automation, building simulations, operational optimization and security. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and conduct all business directly or indirectly related to its purpose. The company may, subject to compliance with the statutory provisions, 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.