Best Window Installers near Keswick, ON

2 of these companies are based in Keswick; the others serve Keswick from towns including Barrie (21 km), Newmarket (22 km) and Sutton (11 km).

8 open weekends · 14 rated 4.5+

Data verified October 21, 2026

Premier North Windows and Doors

Premier North Windows and Doors

4.7 46 reviews
“I'm very pleased with the customer service and the quality and efficiency that this company has.”
Free consultationLifetime warrantyServes Southern Ontario, York Region +2
155 Riverglen Dr unit 1
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True Line Design Homes

True Line Design Homes

5.0 2 reviews
“Great service, good eye for design, arrived and finished when promised, excellent communication - highly recommend!”
22+ years
82 Carrick Ave
i
Complete Windows & Doors Ltd.

Complete Windows & Doors Ltd.

4.8 49 reviews
“From the beginning, he attentively listened to our family's needs without attempting to upsell us or speak negatively about other companies.”
FreeFree estimates25-yr workmanship warrantyFinancing availableServes Simcoe, Oro +3Since 2015
Barrie, ON · 21 km from Keswick
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Reynolds Brothers Exteriors

Reynolds Brothers Exteriors

4.8 49 reviews
“They explained everything to us every step on the way, showed us where the previous installation was an issue and involved us in any decisions.”
Financing availableSince 2010Serves Barrie, Simcoe CountyFamily-ownedFree consultation
Barrie, ON · 21 km from Keswick
i
Panorama Windows and Doors Barrie

Panorama Windows and Doors Barrie

4.9 50 reviews
“We are very impressed with your work ethic, the installers didn't stop all day!”
Free consultationFinancing availableSince 2015Serves Ontario
Barrie, ON · 21 km from Keswick
i
Simon & Sons Windows and Doors

Simon & Sons Windows and Doors

4.9 49 reviews
“The windows are great but the real differentiators were the knowledge of their product, the level of service throughout, and the quality of the install.”
Family-owned
Newmarket, ON · 22 km from Keswick
i

Listed for homeowners in and around Keswick, ON, these 15 companies fit and repair windows. Frame materials, glazing options and any credentials shown are taken from company websites; the customer lines are quoted from public reviews.

Area overview: Keswick, ON

The 15 companies on this page are rated from 3.7 to 5.0 across 1,479 reviews; 6 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (85%) and value (70%). The topics that come up most in reviews of the companies on this page are "cleanliness" and "estimates". 8 are open on Saturdays and 3 on Sundays. 2 have ten or more years of experience, the longest 26 years. 1 offers financing or payment plans; 10 give free estimates; 6 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 12 publish a contact page and 12 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.

Do the listed window companies all have premises in Keswick?

2 of the 15 give an address in Keswick itself; the rest serve it from within 25 km. A showroom often covers a whole region, so distance matters less than who does the installing. Ask whether the fitters are employees, and how a callback in the middle of winter is handled.

Kempenfelt Windows and Doors

Kempenfelt Windows and Doors

4.8 49 reviews
“Jody was punctual, efficient and everything was cleaned up as they went from job to job throughout our home.”
Free estimates25-yr warrantyFinancing availableSince 1994Serves York Region, Simcoe County, Parry Sound-MuskokaVirtual consultations
Barrie, ON · 21 km from Keswick
i
Goldhill Windows and Doors

Goldhill Windows and Doors

4.9 27 reviews
“I like to thank Chris Hiller at GoldHill Windows for our purchase of new windows for our alcove entrance to our home.”
Free consultationLocally owned
Barrie, ON · 21 km from Keswick
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Keldan Limited

Keldan Limited

5.0 21 reviews
“From Mark and Sue in the office to the team that came and replaced all our windows and doors, I can't recommend enough.”
Since 1976Free consultationBelow average prices
Newmarket, ON · 22 km from Keswick
i
Decola Windows & Doors Inc

Decola Windows & Doors Inc

4.9 20 reviews
“I know I can rely on them to help educate and always to steer my clients in the best direction based on budget and priorities.”
Since 1993Family-owned
Barrie, ON · 21 km from Keswick
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Ivory Windows

Ivory Windows

4.7 12 reviews
“My new windows and doors look flawless and have significantly improved the overall appearance of my home.”
Free phone consultation5-yr warrantySince 2006Prices online
Bradford, ON · 17 km from Keswick
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Sutton Glass Windows & Doors

Sutton Glass Windows & Doors

4.9 24 reviews
“Have been a repeat customer and would recommend Sutton Glass to anyone in Georgina.”
Free estimatesSince 1976Serves GeorginaFamily-owned
Sutton, ON · 11 km from Keswick
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Sierra Windows and Doors Inc

Sierra Windows and Doors Inc

5.0 16 reviews
“John was very precessional, delivered the product at a very reasonable price and on time.”
Free estimates15+ years
18 km from Keswick
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Lana Home Renovation

Lana Home Renovation

5.0 5 reviews
“Roman was the installer at the time and he was on time for the job, polite, made sure everything was done correctly, and was very attentive to all small requests and details.”
Free consultation10+ yearsServes Greater Toronto Area
Bradford West Gwillimbury, ON · 19 km from Keswick
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Benjamin Moore

Benjamin Moore

3.7 27 reviews
“Jessi won't forget your name, even after 2 yrs and over all a great experience.”
Free consultationFamily-owned
Newmarket, ON · 22 km from Keswick
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HomeWindow InstallersOntarioKeswick, ON

Why these companies made our list

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