In Blacktown and around Australia, United Trade is the industry leader in concrete polishing. In Sydney, we offer state-of-the-art expert concrete grinding and polishing. Our meticulous attention to detail and strive for perfection have earned us a reputation. We make every effort to provide expert services and complete each work to perfection. We are one of Sydney’s leading polished concrete flooring companies. We polish a variety of surfaces including concrete, marble, stone, and other materials.