The operation of a general construction and civil engineering company for the execution of public or private works; architectural, structural and plant design and planning of said constructions as client or general contractor. The assumption of mandates for site management, architectural direction and project management. Real estate valuations, expert opinions and consulting. The purchase, sale, development, rental, administration and maintenance of properties on its own account or on behalf of third parties, also in a fiduciary capacity. The import, export, representation and sale of goods of various kinds on its own account or on behalf of third parties. The purchase, sale, holding and administration, on its own account or in a fiduciary capacity, of participations in other real estate, commercial, industrial and financial companies. All of the above activities may be carried out both in Switzerland and abroad.