Provision of construction services in the fields of building construction and civil engineering, in particular new construction, renovation, modernization and maintenance of residential and commercial properties, including masonry, concrete, plastering, drywall, tiling, painting, screed, roofing, façade, sealing and paving work, construction management, project development, construction planning and brokerage and execution of construction contracts as general contractor and subcontractor, as well as trade in building materials, building elements and construction machinery. May establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad, as well as conduct all business directly or indirectly related to its purpose, acquire, encumber, sell and manage real estate in Switzerland and abroad, also arrange financing for its own account or for the account of third parties and provide securities for liabilities of affiliated companies and third parties.