Provision of skilled craftsman services, in particular laying of ceramic wall and floor coverings as well as natural and artificial stones, consulting, planning and all services in the field of conversions, renovations, building renovations and extensions, as well as provision of services in the field of joint sealing. May acquire, renovate, develop, hold and sell properties, establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and conduct all business that is directly or indirectly related to its purpose.