Low-Rise and High-Rise Window Cleaning Services in Toronto & GTA

At Sentinel Maintenance Inc (SMI), we provide expert window cleaning services for both low-rise and high-rise buildings, ensuring streak-free clarity and professional curb appeal. Our certified technicians are trained to handle windows at any height with the highest level of safety and efficiency. Using specialized equipment, eco-friendly cleaners, and rope or lift systems, we clean both exterior and interior glass surfaces with precision. From corporate towers to residential complexes, SMI enhances natural light and improves the overall appearance of your property. We serve commercial clients across Toronto and the GTA with reliable scheduling, excellent customer service, and results you can see through. Whether it's spring maintenance or pre-sale preparation, our window cleaning service brings clarity and brilliance to your building's exterior.