any activity in the real estate sector, in particular the purchase, sale, construction, promotion, renovation, brokerage, rental and management of real estate, as well as any operation related thereto; the company may establish branches in Switzerland and abroad or found companies with an identical or similar purpose, carry out all movable, immovable and financial transactions and conclude all contracts directly or indirectly related to the company's purpose or likely to contribute to its development; it may also grant loans or guarantees to associates or third parties if this serves its interests