All activities in the field of real estate, in particular construction, renovation, promotion, purchase, sale, brokerage, rental, management, marketing of all real estate, with the exception of all operations prohibited by the LFAIE; all advisory, service and study activities in the field of real estate and fiduciary business; all direct or indirect financing, acquisition, management and disposal operations of participations for its own account or for the account of third parties, as well as all services related to these operations (cf. statutes for full purpose)