Some of our top rated window contractors in Thornhill, Ontario
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Best of Awards 2026
Rolana Caulking provides the best Window and Door exterior and interior caulking services. We use the best materials and have the best workmanship to do a professional, clean, and efficient job to ensure your home is completely sealed.
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Family owned and operated business with 15+ years of experience We take pride in delivering top-tier solutions with a hands-on approach. Unlike many competitors, we never outsource or rely on subcontractors, every project is handled directly by us and our skilled team, ensuring unmatched quality, attention to detail, and accountability from start to finish. When you choose us, you’re choosing expertise, reliability, and a commitment to excellence that passes only through our hands. “Your roof is our Proof”
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MGK renovation can help you with your install or replace window frames, build or renovate basement & install or repair acoustic ceiling tiles request in Scarborough and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with MGK renovation now to discuss your needs and arrange a quote.
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Design & Build with a focus on quality craftsmanship and customer satisfaction. We use quality materials and proven installation techniques. Reliable, detail-oriented, and committed to delivering exceptional results on every project. Free estimates available
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Best of the Best 2025- Best of Awards 2026
Your Trusted Windows & Doors Experts. We have been in this industry for many years, and we are committed to helping homeowners in Toronto and the GTA improve the look and energy efficiency of their homes with high-quality, factory-direct vinyl windows and entry doors. A LITTLE ABOUT OUR Windows and Doors Company. At ALDA Windows and Doors, our team has a combined 20 years of experience installing quality products and providing excellent windows and doors services. Our mission is to ensure that every customer we serve is satisfied with their service, and are able to enjoy their new factory-direct windows and doors for many years. When you choose ALDA Windows and Doors, you can rest assured that you will always be provided with free estimates and professional, courteous service! FACTORY DIRECT Vinyl Windows and Entry Doors Free in-Home Estimate We come to you and provide you with a free estimate! Get a Quote icon-tools Expert Installation Our trained and experienced installers will do the job right. Learn More Start Saving Today Energy-efficient windows and doors, you will save money year-round.
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We are dedicated to provide an exceptional and attentive customer service.• Our vision is to excel as the leading company and serve the public with the best windows and doors products along with the installation services.• Our mission is to offer the diverse range of windows and doors to the many homeowners living in Ontario.• Our values are respect, integrity, and quality to support a healthy community capacity here at Net Cost Windows and Doors and to provide the best customer satisfaction rating.We have served a vast range and diversity of homes for over than 10 years. Our commitment to our customers has shown positive results and an enjoyable process from choosing your windows and doors and until the completion of these products’ installation.We are proud to present to you our collections and the added features that enhance each component in order to create your dream home. For personal assistance please contact and request a free-of-charge customized estimate.
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We are a Roofing company who has more than 10 years experience in Ontario, affordable price with high quality, 30 years warranty for materials and labor maintenance. Service: Roof replacement, Roof repairing, Roof extension, etc…
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Best of Newly Listed 2025
Quality - Integrity - Service RJD Renovations is a Markham-based contractor specializing in home renovations - kitchens & bathrooms, basements, and full house. We pride ourselves on meticulous planning, transparency, and high-quality workmanship. We maintain ongoing communication with clients throughout the renovation process to ensure that there are no surprises and use only licensed and top-quality trade contractors for high-level craftmanship. When working with RJD Renovations, we treat your homes like our own, protecting the home as best as possible and keeping the worksite safe and clean. We are also available for other remodeling projects such as tiling, flooring installation, painting, millwork, and exterior work.
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- Best of Awards 2023
Invincible Garage specializes in designing your garage to look luxurious and well organized. We design cabinetry to meet your needs, making everything easily accessible and manageable. Creating lighting that meets every family members needs, whether its the handy man at work or kids simply practicing with their band in the garage, we have what best suits you. Painting skills that will add a fresh new look to your garage and applying floor coating that gives your garage a look that makes friends and neighbours think you spent millions. By making all these upgrades to your garage, you are adding more market value to your home and creating a space that you will enjoy every time you step into your car .
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At Younas Home Experts, we take pride in making every house feel like home. With a commitment to quality, reliability, and customer satisfaction, our team delivers professional home improvement and maintenance services you can trust. From repairs and renovations and upgrades, we handle every project with care and attention to detail. Our goal is simple, to provide expert solutions that enhance comfort, value, and peace of mind. Whether it’s a small fix or a complete makeover, Younas Home Experts is your trusted partner for all your home needs.
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- Best of Awards 2020
Cailber Railings We provide high quality exterior railings and columns in maintenance free materials such as aluminum, Vinyl & Glass NO RUST NO ROTTING VIRTUALLY MAINTENANCE FREE Front Porchs Deck Railings Balconies Renovations New Builds Walk Out Basements Pools Cottages More Quotes can be given over phone or meetings can be scheduled same day or week. All products meet the Ontario Building Code We offer our services in All GTA areas Competitive prices and professional installation with the best customer service to match. Call, Text or Email : 6475242290 caliberrailings@gmail.com
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Ontera Homes Inc. is a residential renovation and construction company serving Toronto and the Greater Toronto Area. We specialize in home renovations, kitchen renovations, bathroom renovations, basement finishing, flooring, framing, drywall, trim work, decks, and general construction services. Our focus is on delivering quality workmanship, clean finishes, and reliable service from start to finish. Whether you are updating a single room, finishing a basement, or planning a larger home renovation, we work closely with homeowners to understand their vision, provide practical solutions, and complete each project with care and attention to detail. At Ontera Homes Inc., we believe every project should be built with professionalism, clear communication, and long-lasting value. Our goal is simple: to create spaces that are functional, modern, and built to be enjoyed for years to come. Quality Renovations. Professional Results.
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GLOBAL WINDOWS AND DOORS is a business established in 1980. Since that time thousands of homes have received their new looks, increased its value and saved heating and conditioning expenses by purchasing new vinyl windows. Our windows are manufactured by our factory in GTA. We are Energy Star certified and all our windows received an outstanding Energy Efficiency test results PVC-U products are manufactured from impact modified PVC compound specially formulated for the exacting requirements of windows and doors. The formulation has a high degree of thermal stability and gives a silky smooth finish and an excellent resistance to impact. The extrusion process is carefully monitored to ensure that profiles are produced with minimum in-built stress. The weathering and color fastness of the product has been proven by laboratory testing and by exposure in the field throughout the world in many different climatic conditions.
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At Canadian Standard, we specialize in providing high-quality window and door installation services to our customers. We take pride in offering a wide range of products and services to meet your unique needs.
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Stoneworks Landscape Inc. has been serving Toronto homeowners for 30 years, specializing in professional landscape construction and complete outdoor transformations. We proudly serve North York, Leaside, Lawrence Park, York Mills, East York and surrounding Toronto neighbourhoods. Our services include interlocking stone, natural stone, patios, walkways, retaining walls, landscape lighting, irrigation, gardens, lawn and sod installation, artificial turf, railings, drainage and water management, and custom landscape design and construction. Our experienced team brings over 80 years of combined experience to every project. We focus on proper preparation, premium materials, skilled workmanship and clean, efficient job sites. Every project begins with a clear, detailed proposal. We work closely with our clients from planning through construction to create outdoor spaces that are functional, attractive and built to last. Stoneworks Landscape Inc. — Serving Toronto for 30 Years.
