carrying out investment, purchase, sale, brokerage, study, promotion, management, financing, development and construction of real estate, except for operations prohibited by the LFAIE, commercial or rental, in Switzerland and abroad; preparing all plans, projects and financial plans for the execution of construction works; executing or having executed and supervising all construction works; 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 (cf. statutes for full purpose).