Real estate transactions, such as the acquisition and disposal of real property, construction of buildings, installation of building components, and participation in real estate transactions; management, rental, operation and maintenance of properties, as well as project management specific to real estate; may participate in other companies, establish branches and subsidiaries, acquire, sell, manage and administer securities, 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 intellectual property rights.