Some of our top rated window contractors in Thornhill, Ontario
Sort by:
- Get in touch
Alpha Windows & Doors Inc. – Your trusted Ontario‑based window and door specialists. We provide expert supply and installation of energy‑efficient vinyl, wood, fiberglass, and aluminum windows, custom doors, and specialty products such as egress windows, storm doors, and patio systems. Serving the Greater Toronto Area, Durham Region, and surrounding communities, we combine factory‑direct pricing with certified, insured craftsmanship to deliver seamless, code‑compliant projects - from single‑window replacements to full‑home renovations. Backed by strong warranties, free in‑home estimates, and a commitment to transparent communication, Alpha Windows & Doors helps homeowners boost curb appeal, comfort, and resale value while reducing energy costs. Let us transform your openings with quality you can see and feel.
- Get in touch
Best of Awards 2026
I have over 20 years of experience in construction and four years of experience in construction in Canada. My services include apartment renovation, floor replacement, painting, puttying, bathroom renovation, basement renovation, tiling, exterior steps, stone.
- Get in touch
"Hello! My name is Maxim. I am an experienced handyman offering a wide range of repair and maintenance services. I guarantee high-quality performance of work and individual approach to each client. I will be glad to help you solve any household problems!"
- Get in touch
Best of the Best 2024- Best of Awards 2024
Best of Newly Listed 2022
Arctic Vinyl Windows & Doors takes pride in providing exceptional products and quality workmanship that will last a lifetime. With over 30 years of experience helping customers with their home improvement projects, we know a thing or two when it comes to transforming your home. Proudly family-owned and operated allowing us to personalize your experience from beginning to end. We are with you from the initial purchase to installation to warranty many years later to help ensure your satisfaction.
- Get in touch
- Best of Newly Listed 2025
Welcome to Timberone Works, where craftsmanship meets commitment! With a legacy of seven years in the carpentry domain, including two flourishing years in the heart of Canada, Toronto, we take immense pride in introducing ourselves as your go-to destination for top-tier carpentry services. At Timberone Works, our mission is simple but powerful: to transform your visions into tangible, beautifully crafted realities. Specializing in fence installation, deck construction, and balcony, and more, we bring a wealth of expertise to every project we undertake.
- Get in touch
Skyview Windows and Doors (Skyview) is a window and door manufacturing-subsidiary of Skyreach Group Inc. (SGI) – established in 2004 to supply window and door extruded profiles and patio doors to serve customers in Canada and the USA. Skyview is a one-stop solution for all fenestration products (including windows, patio doors, and entry doors) for new construction and renovation sectors. Contact us today at 416-825-9316
- Get in touch
Burrell Overhead Door has been serving the GTA since 1962. For over 50 years, we continue to serve our community with quality products and professional service. Our New Door Division is full spectrum including rolling steel shutters, fire doors, service doors, industrial, commercial and residential door products of literally every type. Our Service Department, with over 20 fully equipped trucks, is ready to provide quick and professional repairs to your home or business. Our Access and Parking Division can handle all of your residential or commercial gates, operators or parking control systems.
- Get in touch
- Best of Awards 2026
Renovating, Made Easier. At Reno Rocket, we specialize in well-built, designer-curated renovations with full-home transformations, additions, custom builds, basements and bathrooms. With an in-house team of skilled carpenters, painters, experienced site managers and interior designers, we handle every stage of your project—frame to finish—with precision and care. Our project management systems help keep projects on time and on budget. Visit our Toronto showroom and office to explore curated materials, meet our team, and experience a renovation process that’s streamlined, stress-free, and built around your vision. Reliable. Professional. Built to Last.
- Get in touch
Hello! I’m Mohammad, founder of Monca Inc., your trusted partner for home renovations and full basement transformations in the GTA. With hands-on experience managing and completing high-quality renovation projects, I specialize in turning houses into beautiful, functional spaces. From basement finishing to kitchen and bathroom remodels, I focus on delivering results that exceed expectations, on time and within budget. At Monca Inc., we pride ourselves on clear communication, professional workmanship, and attention to detail. Whether it’s a small upgrade or a full renovation, I treat every project like it’s my own home. Let’s make your dream space a reality!
- Get in touch
World Class Moulding is a professional finish carpentry and custom trim installation company in the Greater Toronto Area (GTA). We specialize in high-end interior trim work, crown moulding installation, wainscoting, baseboards, casings, and interior door installation for residential homes. With over 10 years of combined experience, our skilled finish carpenters deliver precise, clean, and long-lasting results. We focus on custom carpentry solutions that enhance interior design, increase property value, and give homes a refined, finished look. We use premium MDF and wood products sourced from trusted, top-rated suppliers. Every project is completed with attention to detail, professional workmanship, and clear communication from start to finish. Our goal is to provide reliable, high-quality trim installation at a fair and transparent price. Homeowners choose World Class Moulding for our professional service, craftsmanship, and commitment to customer satisfaction. Whether it’s a single room upgrade or a full home trim package, we treat every project with the same level of care and precision. 🔨 Services Crown Moulding Installation (MDF & Custom Profiles) Custom Trim & Finish Carpentry Wainscoting & Wall Paneling Baseboards & Door Casings Interior Door Installation. We proudly serve Toronto and the GTA, including: Toronto, North York, Scarborough, Etobicoke, Markham, Richmond Hill, Thornhill, Aurora, Newmarket, Woodbridge, Maple, Milton, Mississauga, Oakville, Burlington, Caledon, Nobleton, Ajax, Pickering, Oshawa, Whitby, Stouffville, Uxbridge, Port Perry. We offer a professional workmanship guarantee. All trim and moulding installations are completed to industry standards, with clear terms discussed before work begins.
- Get in touch
- Best of the Best 2025
- Best of Awards 2026
Direct Overhead Doors is a family owned and operated full service garage door and opener company. Serving the GTA and surrounding areas for over 24 years Direct Overhead Doors has become one of Toronto's leading garage door and opener suppliers offering quality garage door products at great value. By using 100% North American products, we are able to provide excellent quality which services the residential and commercial market. Whether you are looking to replace an existing garage door or are working in new construction we encourage you to give us a call. At Direct Overhead Doors, the customer comes first. It is our mission to provide a wide range of products and services that fulfill your individual needs. We pride ourselves on building lasting relationships with our customers. We are committed to helping you make the right choice!
- Get in touch
Class One is a trusted provider of general contracting and property maintenance services, throughout the GTA. We specialize in custom home builds, renovations and custom millwork. We only deliver high-quality craftsmanship with a strong focus on detail, functionality, and long-term durability. From full builds to interior transformations and ongoing property maintenance, our team manages each project with clear communication, reliable execution, and full accountability. Clients choose Class One for consistent results, professional service, and a team that takes ownership from concept to completion.
- Get in touch
Hi, I am Morteza, owner of Nilaco We are your home improvement partner. Get your free quote today and enjoy the rest! Check my website: Nilaco
- Get in touch
- Best of Awards 2026
Need an idea? View some samples of our installations and get creative. Whatever your style, we have a product to suit your individual needs. Make your window, door or porch a reflection of your good taste. Available accessories give you the flexibility to add your own personal style to each and every product. The best window and door products on the market are also backed by the best warranty in the business. Get the details on exclusive Lifetime Warranty.
- Get in touch
My name is Ramyar, Im a Civil Engineer/ Real Estate agent. Me and my crew have passion for designing and making beautiful homes for our community in Toronto and surrounding. Start from foundations to the finishing touches. Smartchoicehomesltd
- Get in touch
Sameni Interiors is a Toronto-based, full-service interior design and renovation firm known for delivering thoughtful design and seamless execution—no matter the size or scale of the project. With a passion for detail and a commitment to excellence, we specialize in transforming residential and commercial spaces into environments that are both beautiful and functional. Whether you're planning a simple bathroom upgrade, a kitchen remodel, basement finishing, or undertaking a full-home renovation, custom new build, or the design and renovation of a condo, office, or retail space, Sameni Interiors offers a comprehensive solution—from concept to completion. Our services include interior design, interior architecture, decorating, furnishing, permit facilitation, renovations, and construction management—all under one roof. With years of hands-on experience and a diverse portfolio across the GTA, we ensure that every project, big or small, is executed with care, creativity, and precision. At Sameni Interiors, we don’t just design spaces—we bring them to life.
