a) all services in the fields of architecture, urban planning, landscape, art and design, as well as all tasks related to building and space planning; b) the acquisition, sale, holding and management of participations in all types of companies and enterprises. With regard to participations in real estate companies based in Switzerland, they will be limited to real estate companies whose buildings are exclusively used for commercial purposes. The company may: either on its own account or on behalf of third parties, carry out all financial, commercial, industrial, movable and immovable transactions in Switzerland and abroad, directly or indirectly related to the main purpose; establish branches or subsidiaries in Switzerland and abroad; grant loans or guarantees to subsidiaries, its associates or third parties.