Planning, design and realization of building projects and individual projects, buying and selling as well as new construction and renovation of properties and plots of land and execution of all related business, creation of real estate as a general contractor as well as trade in building materials. May establish branches in Switzerland and abroad, participate in other companies, acquire, manage, broker or sell intellectual property rights, and enter into all transactions and conclude contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it.