Carrying out investment, purchasing, selling, brokerage, study, promotion, management, financing, development and project development activities, as well as construction of real estate, commercial or rental properties in Switzerland and abroad; preparing and implementing all plans, projects and financial plans for the execution of construction work; executing or having executed and supervising all construction work; importing, exporting and distributing, both on its own account and on behalf of third parties, materials, construction elements and installations, including all accessories and ancillary objects.