PrimeTech Building Services Ltd. is a window cleaning and building maintenance company located in Vaughan, Ontario, with over 20+ years of experience. We take pride in treating our clients like family and provide the best in superior cleaning and maintenance services for commercial, residential and industrial properties throughout the Greater Toronto Area. We clean windows, but that is not all! We are your one-stop cleaning and maintenance specialists for all your needs, from power washing and spider control treatment, to chandelier washing and solar panel cleaning. Browse through our Services to find out how we can best suit your needs.