Real estate transactions in Switzerland and abroad, including the acquisition, sale and brokerage of real property, construction, management, rental, operation and maintenance of properties, project management specific to real estate; the company may participate in other companies, establish branches and subsidiaries, provide financing for its own account or for third-party account, take out and grant loans, provide guarantees and other securities for subsidiaries and third parties, as well as acquire, manage and exploit securities and intellectual property rights.