Real estate transactions in Switzerland and abroad, including the acquisition, sale and brokerage of real property, construction, management, rental, operation and maintenance of properties, as well as 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 parties, take out and grant loans, provide guarantees and other securities for subsidiaries and third parties, and acquire, manage and exploit securities and intellectual property rights.