Operation of a cleaning company, in particular building cleaning, glass, construction, facade, basic and maintenance cleaning for industry, trade and private individuals, building management, procurement of janitorial services, waste disposal and all related activities and services, as well as trade in goods of all kinds; may establish branch offices and subsidiaries, participate in other companies, acquire, encumber, sell and manage real estate, arrange financing for its own account or for the account of third parties, and grant guarantees and sureties for subsidiaries and third parties.