Property development services; property development management; building project management; on site building project management; redevelopment of buildings; real estate development; building of commercial properties; building of industrial properties; building of residential property; property maintenance; cleaning of property; building and construction of real estate subdivisions and developments; building supervision; dismantling of buildings; installation of fittings for buildings; construction, renovation, refurbishment, repair and maintenance of houses, buildings, apartments, and factories; information and advisory services relating to the foregoing