The operation of a metal construction business; the processing, trading and installation of raw or semi-finished materials, laminates, press-folded, profiled etc., in particular metals, ferrous metals, steels, copper, aluminum etc. The study and design of facades, sheet metal work, roof coverings, covering and cladding systems, insulation, passive energy efficiency systems for buildings, windows, etc. and any other similar manufactured products or realizations; on its own account or on behalf of third parties or in the form of a general contractor. The company may also purchase or sell machines, tools, equipment and vehicles, or act as an intermediary in these areas. Mechanical, industrial and plant installations. The management of real estate transactions, the purchase, sale, management, promotion and rental of real estate in Switzerland and abroad, in accordance with the LAFE. Any other activity connected with the company's purpose.