William's United Roofing
“Extremely happy with their service, excellent pricing and the job was completed quickly.”
Best Roofing Contractors in Waterloo, ON
15 companies listed · 4 in Waterloo · 3 open 24/7 · 11 open weekends · 14 rated 4.5+
Data verified October 18, 2026
A1 Pros
“They really listened to what we wanted and came up with some cool ideas.”
Reuter Roofing
“Huge thanks to Mike and this team for the amazing work the did with replacing my roof and replacing gutters, soffit and fascia with other additions.”
Thomson Roofing
“Very happy with the prompt response to our call and work done as promised in the time frame .”
Ding Sheng Roofing
“My father was a roofer for 40+ yrs, and he was just as pleased with their work as I was !”
The Roofman Inc
“Besides that, the Roofman did a great job and I'd recommend them to everyone.”
Listed for homeowners in and around Waterloo, ON, these 15 companies take roofing work. What each one claims about tear-offs, membranes and workmanship cover is taken from its own website; ratings and quoted lines come from public reviews.
Area overview: Waterloo, ON
4 of the 15 companies we list are based in Waterloo; the other 11 serve Waterloo from Kitchener (6 km) and Cambridge (18 km). The companies on this page are rated from 4.2 to 5.0 across 1,022 reviews; 8 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 (92%), quality (83%) and responsiveness (78%). The topics that come up most in reviews of the companies on this page are "estimates", "price" and "cleanliness". 3 are open around the clock; 11 are open on Saturdays and 6 on Sundays. 2 list staff certifications (GAF). 3 offer emergency call-outs; 1 offers financing or payment plans; 9 give free estimates; 4 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 14 of the companies on this page; 13 publish a contact page; 13 list a public email and 1 takes bookings online. 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 roofers listed for Waterloo quote at no charge?
Free estimates are stated by 9 of the 15 companies on this page. A free visit is normal in this trade, though it doubles as a sales call. Ask for photos of the roof and the attic, written findings, and a price that separates the tear-off from anything found under it.
Your Roof Specialist
“I asked James if my roof needed replacing and he inspected it and showed me the issues and told me what to watch for in the future.”
Customersroofing
“His team was very efficient when they arrived and everything was cleaned up afterwards to perfection!”
Rick Macdonald Siding
“Their pricing is reasonable and the people who did the work did an excellent clean up job also.”
Mike the Roofer Inc.
“His experience and work ethic has lead to our skylight not only being fixed but he also ironed out other problems he noticed around the skylight.”
Rise Above Roofing Inc.
“I would highly recommend this company to any of my friends and family as they are a local business that strive to build and maintain their reputation.”
Milena's Pro Roofers
“Thank you so much for your quick response for repairs to my roof after the storm.”
KW Roofing & Exterior Solutions
“I very much enjoyed KW Roofing Solutions and I am very satisfied with their timelessness and quality, they delivered what they said they would do and did it with outstanding craftsmanship.”
NGR Roofing Solutions
“They quickly identified the problem and I have been leak free since.”
Quality Care Roofing Inc.
“Quality Care Roofing also went the extra mile to re-shingle my very badly needed shed roof.”
Why these companies made our list
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