Trade and management of real estate, in particular residential properties and condominium ownership in Switzerland and abroad, as well as development and marketing of renewable energy systems and trade in articles of all kinds. The company may establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad. It may acquire, encumber, sell and manage real estate in Switzerland and abroad, arrange financing for its own account or for the account of third parties, and provide guarantees and sureties for subsidiaries and third parties.