The purchase, sale, holding, leasing and administration of its own real estate. The design and construction of real estate of all kinds, including project management and general contracting activities. The commercial promotion of the company's properties. The buying and selling, import and export of building materials and interior furnishings, including installation. The acquisition, sale and management of participations and interests in other companies or enterprises in Switzerland and abroad with similar purposes, as well as any other activity useful for pursuing the company's purpose.