Acquisition, sale, encumbrance, development, management, rental and brokerage of real estate, including all related services, as well as financing and trust transactions and asset management. May acquire patents, take over and grant licenses and representations, establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and carry out all commercial, financial and other activities that are in any way connected with the purpose of the company. Furthermore, grant loans and credits to shareholders and third parties, act as guarantor for loans and credits from shareholders and third parties, or provide other guarantees, in particular by pledging or providing other securities.