Expert installation of Luxury windows and doors
Toronto | GTA | ON
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TESTIMONIALS
Denis Zigante
Bigfoot Door Managing Partner
I've had the chance to work with Magnus and his Team on several projects now, and the one thing that always stands out is the quality of their work. They approach every installation with precision, care, and a real sense of pride. It's never about just getting the job done-it's about doing it the right way, so that the finished product performs and looks exactly as it should.
That attention to detail is especially important when you're dealing with high end products or luxury projects where there's no room for mistakes. On top of that, they're always pushing forward whether it's pursuing certifications like Passive House or staying involved in industry events. That commitment to improvement gives me full confidence recommending them.
If you're a builder, architect, or product manufacturer looking for an installer who will treat your project with the same level of care that you do, I can't recommend them enough.
andrew j Goldberg
Goldcon Project Management Managing Partner
303services is a trusted partner for our high-end residential projects. Their attention to detail, professionalism, and technical expertise with premium window systems consistently impress us. They don’t just install — they troubleshoot challenges quickly and effectively, ensuring every project runs smoothly. Reliable, responsive, and committed to quality, they deliver exceptional results
Vick Mandla
Shelby Windows Owner
303 Services is a premier, high-end provider of window and door installation, renowned for their unwavering commitment to quality, meticulous attention to detail, and exceptional craftsmanship. I have personally used their services and can attest to their professionalism and dedication, and I’ve also recommended them to friends and clients who have all given me nothing but great feedback. The team takes immense pride in delivering flawless results, ensuring each project is completed to the highest standards with genuine care. What truly sets them apart is their friendly, attentive approach—they listen carefully to your needs, making the entire process smooth and stress-free. Their dedication to customer satisfaction and personable, skilled personnel make them the top choice for anyone seeking reliable, top-tier service. It’s been a pleasure working with them from day one.
ABOUT US
303services is operated by Magnus and Daffodil. We run a specialized crew and commit to one major job at a time to deliver the best results possible.
We created this site to offer high-level installation services built on years of hands-on work, insights from trusted professional partners, and a continual process of refinement. The result is a specialized installation service we are proud to stand behind.
Our mission with 303 is simple: protect your investment and deliver results that stand the test of time.
Thorough
A skilled team and meticulous planning guarantee results.
Controlled
Work done to code using modern install practices.
ReliabLE
Known for delivering precise work on schedule.
Professional
Dedicated to long term results and relationships.
who we work with
Suppliers & Fabricators
We ensure energy efficient installation that respects warranty, achieves full product performance, and leaves clients happy.
Builders & Contractors
For builders and contractors who have a window supplier. We provide any or all services you need to go from first measure to final handoff. We work with you to create an install process that works with all your details and needs.
Warranty
Installation Warranty
Our installations have a 1 year warranty. Full scope jobs have 2 year warranty with an option to extend to a 5 year warranty.
Manufacturer Warranty Compliance
Thorough research is done on every product we install to ensure our handling and installation maintains all product warranties.