any activity in the field of real estate, in particular development, promotion, general contractor contracts, management, trade, i.e. purchase and sale, renovation, transformation and construction of any real estate object, both in Switzerland and abroad; the company may carry out, either on its own account or on behalf of third parties, all financial, commercial, industrial, movable and immovable activities and be interested, in any form, in all companies having a similar or related purpose; it may grant loans to its shareholders and third parties, guarantee loans subscribed by shareholders or third parties, secure these loans by issuing or pledging mortgage securities or by subscribing to any other commitment, if it serves its interests; the company may establish subsidiaries or branches in Switzerland or abroad.