William's United Roofing
“Their pricing is fair, their expertise is top-notch, and their after-sales service is excellent.”
Best Siding Contractors near Waterloo, ON
3 of these companies are based in Waterloo; the others serve Waterloo from towns including Kitchener (6 km), Breslau (8 km) and St. Jacobs (8 km).
1 open 24/7 · 8 open weekends · 14 rated 4.5+
Data verified October 18, 2026
R M W Exteriors Inc
“I just want to give the team at RMW exteriors a massive shout out for doing an absolutely fantastic job on the siding and windows etc.”
Reuter Roofing
“After the inspection and discovering the cause, they were back in less than 24 hours later to make the repair.”
Ding Sheng Roofing
“Very professional from the beginning to end, made the process very easy and even shared pics of the work in progress of the roof being done.”
Beingessner Home Exteriors Ltd
“The window is top quality, the team sent to do the replacement were very meticulous with the install and cleanliness.”
Pickles Home Exteriors
“The work was completed recently, and we are very happy with the final product and extremely satisfied with the professionalism and helpfulness of both the staff of Pickles and their subtrades.”
Listed for homeowners in and around Waterloo, ON, these 15 companies work on exterior walls. Details about materials, colour ranges and insulation options are drawn from each company's own site, and the review quotes underneath are public reviews.
Area overview: Waterloo, ON
The 15 companies on this page are rated from 4.1 to 5.0 across 1,238 reviews; 13 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 (91%), quality (78%) and responsiveness (63%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "communication". 1 is open around the clock; 8 are open on Saturdays and 2 on Sundays. 5 have ten or more years of experience, the longest 28 years. 1 offers emergency call-outs; 4 offer financing or payment plans; 10 give free estimates; 3 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; 14 publish a contact page; 12 list a public email and 2 take 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.
Are all of these companies based in Waterloo itself?
No. 3 give an address in the city, and the rest cover it from within 10 km. This work is scheduled well ahead, so travel is rarely the problem. Ask instead where you sit in the season, since exterior work here gets squeezed into the warm months.
Mara Roofing and Exteriors Inc
“It's nice to deal directly with the owner of a local company that takes pride in his work.”
The Roofman Inc
“They picked up where another left off in replacing the roof at my business and did a fabulous job.”
Milena's Pro Roofers
“They also helped identify potential future problems but they didn't try to upsell - definitely got a trustworthy vibe.”
Rick Macdonald Siding
“Great company, came out to assess our siding and were honest and knowledgeable through the process.”
Quality Roofs
“We recently experienced some storm damage and they responded immediately.”
North Guard Roofing
“Able to come about two weeks earlier than originally planned, and completed the job in the promised schedule, including coming back on Saturday morning to finish off and tidy up.”
KW Custom Exteriors
“We have lots of other renovations in mind and will 100% promote this company as one of a kind with excellent workmanship, fair prices and customer service.”
KW Roofing & Exterior Solutions
“Installed quality shingles and did a good job installing with additional vents.”
Premium Roofing Inc.
“The whole family was a pleasure to deal with and they did an amazing job!”
Why these companies made our list
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