Construction of buildings of all kinds, purchase and sale as well as rental and management of properties, development of building land and financing of buildings. The company can acquire, develop, manage and exploit patents, licenses and manufacturing processes and other intellectual property rights, trade in goods of all kinds, finance and promote any kind of business. The company can plan, build and operate solar power plants, as well as sell solar power. The company can establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad, as well as conduct all business that is directly or indirectly related to its purpose. The company can acquire, encumber, sell and manage real estate in Switzerland and abroad. It can also provide financing for its own account or for third-party account, as well as provide guarantees and sureties for subsidiaries and third parties, and provide consulting services in construction matters.