Operation of a sheet metal and sanitary installation business, mainly renovations, conversions and new constructions in the field of sheet metal and sanitary installations. The company can establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad. It can acquire, encumber, sell and manage real estate in Switzerland and abroad, carry out financing for its own account or for the account of third parties, as well as provide guarantees and sureties for subsidiaries and third parties.