brokerage and promotion of real estate, as well as all commercial operations and all kinds of activities in the field of real estate; the company may carry out, either on its own account or on behalf of third parties, all other activities of any nature, in particular financial, commercial, industrial, movable and immovable property converging activities, with the exception of properties subject to the LFAIE, in Switzerland and abroad, directly or indirectly related to its main purpose; the company may also create branches in Switzerland and abroad, it may also participate in any company, acquire or pay fees and commissions, negotiate and execute various contracts or commissions in different countries; it may grant loans or guarantees to its shareholders and third parties, act as guarantor for loans subscribed by shareholders or third parties, guarantee these loans by issuing or pledging mortgage securities or by subscribing to any other financial commitment