Execution of construction projects of all kinds as general contractor; subcontracting of construction projects of all kinds and trade in goods related to the construction industry; planning and execution of new and renovation projects on behalf of third parties; brokerage and management of real estate; execution of cleaning services of all kinds and maintenance work on properties as well as assumption of caretaker services; assumption and granting of representations, licenses, patents and trademarks within the scope of the company's purpose; participations; acquisition, encumbrance, sale and management of real estate; financing and provision of guarantees and sureties for subsidiaries and third parties.