Holding, renting, managing, brokering, creating, buying and selling of properties, providing consulting services in the field of acoustics, as well as trading in goods of all kinds. May acquire, manage, broker and sell licenses, patents and other intangible assets, as well as real estate, establish branches and subsidiaries at home and abroad, and conduct all business that is connected with or suitable for promoting the purpose of the company, including financing for its own account or for the account of third parties, as well as providing guarantees and sureties for subsidiaries and third parties.