Provision, coordination, planning and execution of craft services, in particular in the areas of metal construction, solar systems, roof renovations and tinsmithing, as well as trade in goods from the aforementioned areas. The company can establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire similar or related companies or merge with them, and enter into all transactions and conclude contracts that are suitable for promoting the purpose of the company or are directly or indirectly related to it. It can acquire, manage, encumber and sell properties, intellectual property rights and licenses of all kinds.