Acquisition and sale of properties, planning and implementation of construction projects as a developer or general contractor, construction of residential buildings and rental, management and marketing of properties. May establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and conduct all business directly or indirectly related to its purpose, as well as acquire, encumber, sell and manage real estate in Switzerland and abroad, also provide financing for its own account or for the account of third parties and grant securities for liabilities of affiliated companies.