Acquisition, sale, management, rental and leasing of properties and plots of land. Promotion and realization of own or third-party construction projects, in particular planning, project and construction management, monitoring and control of construction progress and costs. May establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, affiliate related business areas, acquire or establish similar or related companies, and enter into all transactions that are suitable to promote the company's purpose directly or indirectly.