acquisition, purchase, sale, administration and management of participations in all companies or enterprises, directly or indirectly, in Switzerland or abroad, excluding operations subject to the Federal Act on the Acquisition of Real Estate by Foreigners, in the sense of a holding company; the company may, in addition, carry out all mobile or immobile activities, directly or indirectly related to its purpose or apt to promote it; establish branches or subsidiaries in Switzerland or abroad; grant loans or guarantees to associates or third parties, if it serves its interests