Any general construction business activity; all architectural design, civil engineering and construction management work; execution of superstructure and infrastructure work, development, planning and promotion of constructions as client or general contractor. The purchase and sale of real estate in Switzerland and abroad. The company may participate in other Swiss or foreign companies, acquire or establish companies of the same kind, as well as conclude all transactions and contracts that are suitable to promote the purpose of the company or that are in any case in a direct or indirect relationship with the achievement of the same purpose. And this both in Switzerland and abroad.