all activities in the field of real estate, whether in Switzerland or abroad, in particular the purchase, sale, rental, promotion, construction, renovation, transformation, operation, management or brokerage of real estate, as well as the holding of participations in other companies; the company may carry out all financial or commercial transactions related to its purpose or likely to promote it; the company may acquire, hold and dispose of real estate; it may also establish branches in Switzerland and abroad, take participations, found or finance companies having a direct or indirect connection with its purpose