operation of an architectural office and exercise of all related activities, such as construction, promotion, management, purchase and sale of real estate, as well as all activities directly or indirectly related to the main purpose; the company may participate in all securities, real estate, financial or commercial transactions directly or indirectly related to its purpose; it may open branches in Switzerland and abroad, exercise all activities directly or indirectly related to its purpose, take participations, found or finance companies having a direct or indirect relationship with its purpose, excluding any operation subject to the LFAIE; it may grant loans or guarantees to associates or third parties in the interests of the company