Design and execution of works in wood, derivatives, copper and other materials, in particular carpentry for pitched and flat roofs, walls, structures for residential and public buildings, external and internal cladding of building structures, insulation work, execution and design of copper or other material sheet metal work, and waterproofing with commonly used materials. Execution of general contracting work in the construction industry, import and export of any building material, sale, purchase and representation of building materials. Purchase, sale and administration of real estate. The company may establish branches and subsidiaries in Switzerland and abroad, as well as establish or participate in similar or related companies in Switzerland and abroad.