Baron Roofing
“Barons roofers did a fantastic job and left our property like they were never there.”
Best Roofing Contractors in Thorold, ON
24 companies listed · 5 in Thorold · 5 open 24/7 · 13 open weekends · 21 rated 4.5+
Data verified October 19, 2026
I Rooms Incorporated
“Immaculate work on my siding and they did it in a week.”
D.F. Brown Roofing
“When a roofer that is professional from the folks in the office to the people on site doing the work DF BROWN makes the grade.”
Multi Service Maintenance
“Jeremy has done work for myself and my clients for around 12 years, he's always punctual, always extremely hard work and always excellent quality.”
Scott's Roofing & Repairs
“Shingled the roof on our pool house, did a quick and professional looking job very happy with results, cleaned up afterwards”
Leave It To Me
Listed for homeowners in and around Thorold, ON, these 24 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: Thorold, ON
5 of the 24 companies we list are based in Thorold; the other 19 serve Thorold from towns including Niagara Falls, St. Catharines and Niagara-on-the-Lake. 23 of the companies on this page have a rating, from 4.1 to 5.0 across 1,943 reviews; 15 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (96%), quality (89%) and responsiveness (86%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 5 are open around the clock; 13 are open on Saturdays and 8 on Sundays. The services the companies on this page list most often on their websites are siding (5), eavestroughs (4), gutter guards (3), soffit & fascia (3) and flat roofing (2). 1 shows a licence on its website and 1 lists staff certifications (GAF). Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 2001. 5 offer emergency call-outs; 5 offer financing or payment plans; 15 give free estimates and 1 is family- or locally-owned. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do roofers listed for Thorold quote at no charge?
Free estimates are stated by 15 of the 24 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.
Niagara Roofmasters
“The finished product is of great quality, as we haven't had any issues since.”
AJT Roofing and Contracting
“Adam is an absolute pleasure to deal with, he is professional, trustworthy, honest, prompt with his responses, have reasonable timelines, and most importantly their work is high quality.”
Ace 1 Quality Roofing
“From the initial consultation to the final clean up ACE1 was professional, efficient and attentive to detail.”
Metal Roofs Niagara
“The sense of sincerity from Justin is authentic, and I can see why my neighbour enthusiastically recommended Metal Roofs Niagara.”
Roof Wizard
“We needed repairs to eavestroughs due to wind damage and Nick was quick to reply to messages and within a few days was here to complete the work.”
JD Roofing Inc.
“When others took 24 hours just to get my details, Joel came the same day, saw the shingles blown off my roof and fixed it on the spot since I had some shingles in my garage!”
McPherson Roofing
“I would recommend him to anyone and I will for sure hire him back in a second for any future roofing issues, replacement or repairs we may need in the future”
Noble Roofing
“Nice people to talk to and did what they said they would do the way it should be done.”
Hamblet's Roofing Siding Windows
“Did an amazing job and if I could give higher than 5 stars, I would!”
Dykstra Brothers Roofing
“They completed the job within a reasonable time frame and certainly quoted us a fair price!”
Guenther Metal Roofing
“I've got an old barn from 1800s and they did a wonderful job shimming and roofing it straight.”
R&S Roofing and Siding Inc.
“She came the same day to quote and by the end of the week they had finished the job.”
JPG Roofing & Construction
“He explained the quote and his product with knowledge and confidence and he did this without bad talking other companies.”
Gemini Windows
“Mike and the crew were efficient, hard working and always pleasant.”
Precision Roofing & Exteriors Ltd.
“You guys did a awesome job at a great price with one of a kind warranty thank you!!”
Beauregard Family Roofing
“Dustin and his crew were very proffessional, timely and efficient from the first phone call to the completion of my roof.”
Custom Seamless Eavestrough Inc.
“They guys arrived promptly, and were professional, courteous, and knew what they were doing.”
Class EH Roofing
“Class EH Roofing repaired one of my rentals and i found them to be very professional, Responsive, quick and great workmanship!!”
Why these companies made our list
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