operation of a service and consulting company in the commercial and financial sector, brokerage in the context of movable and immovable property transactions, as well as acquisition, holding, leasing, administration, development and sale of commercial real estate, residential real estate and land in Switzerland and abroad, as well as acquisition, holding, administration, development and disposal of participations of all kinds of companies, with the exception of matters prohibited by the Federal Act on the Acquisition of Real Estate by Foreigners (LFAIE).