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These companies serve Ancaster from nearby bases in towns including Hamilton, Burlington and Brantford.
15 companies listed · 1 open 24/7 · 6 open weekends · 13 rated 4.5+ · 2 show a licence
Data verified October 16, 2026
Listed for homeowners in and around Ancaster, 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.
The 15 companies on this page are rated from 4.4 to 5.0 across 2,551 reviews; 13 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), quality (91%) and responsiveness (61%). The topics that come up most in reviews of the companies on this page are "cleanliness", "crew" and "estimates". 1 is open around the clock; 6 are open on Saturdays and 2 on Sundays. 2 show a licence on their websites. 2 have ten or more years of experience, the longest 21 years. 1 offers emergency call-outs; 3 offer financing or payment plans; 10 give free estimates; 3 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; 14 publish a contact page; 11 list a public email and 1 takes bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
2 of the 15 listings on this page show a licence on their websites. Licensing is provincial or municipal, so confirm the claim with whoever issued it. Ask separately about workers' compensation coverage, which is the document that protects you if an installer is injured working on your property.
