Brokerage, purchase, sale, encumbrance, rental, leasing and management of real estate as a general contractor, planning and realization of own buildings of all kinds as well as purchase, sale and management of real estate of all kinds; can participate in other companies, establish subsidiaries, acquire, manage and sell securities, acquire, manage and exploit intellectual property rights, arrange financing for its own account or for the account of third parties, grant guarantees and sureties for subsidiaries and third parties, and trade in goods of all kinds.