acquisition, sale, construction and rental of properties in Switzerland and abroad, as well as all related activities such as administration and management; the company may also carry out, either on its own account or on behalf of third parties, all commercial, movable and financial transactions, in direct or indirect relation to its purpose, in any form whatsoever, in particular in the form of participations; the company may open branches in Switzerland and abroad, establish or acquire any company pursuing a similar or complementary purpose; the company may grant loans or guarantees to its shareholders or third parties.