Provision of construction services of all kinds, in particular consulting, planning, quality assurance, design and execution in the energy, heating, ventilation, air conditioning, sanitation and fire protection industries. The company may establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire or establish similar or related companies, and conduct all business and conclude contracts that are suitable to promote the purpose of the company or are directly related to it. In particular, it may acquire, develop, hold, manage and sell real estate.