operation of a general building contractor business; all masonry, rough construction, finishing work, excavation, electrical, plumbing, carpentry, roofing, resin floors, tiling, parquet and other flooring, drywall, painting, stucco, as well as all construction work in Switzerland and abroad; rental of apartments, residences and limousines; trade in cars, precious metals and precious stones; it may also carry out, either on its own account or on behalf of third parties, all financial, commercial, movable or immovable transactions directly or indirectly related to its corporate purpose and may be interested, in any form, in all similar businesses, in particular by acquiring an interest in similar businesses; the company may also establish branches and subsidiaries in Switzerland and abroad.