Homespirational
“Absolute top customer service and transparency from start to finish of each project.”
Best Bathroom Renovation Contractors near Thorold, ON
1 of these companies is based in Thorold; the others serve Thorold from towns including St. Catharines, Niagara Falls and Niagara-on-the-Lake.
5 open weekends · 21 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
Carlos Cazal Wallcovering
“I would definitely recommend him to anyone looking to install wallpaper in their home!”
Zeke & Company Countertops
“Great job, a pleasure to do business with Zeke & Co and very happy with the result.”
Go Green Plumbing Ltd
“I recently had the pleasure of hiring Go Green Plumbing for some work at my home, and I couldn't be happier with the service provided.”
Ultimate Bathrooms
“Ultimate Bathrooms replaced my old bathtub, where water had accumulated between the liner and tub.”
Nhance Niagara ꟾ Kitchen Cabinet Refinishing
“We could not be more pleased and after our neighbours saw the photos they seem to all be coming over for a visit to check out our beautiful kitchen.”
Listed for homeowners in and around Thorold, ON, these 24 companies remodel bathrooms, including basement bathrooms and the venting problems that come with them. Each card repeats what the company says about itself on its own site, and the reviews underneath it were left by customers.
Area overview: Thorold, ON
The 24 companies on this page are rated from 4.0 to 5.0 across 1,033 reviews; 3 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 (95%), quality (91%) and responsiveness (86%). The topics that come up most in reviews of the companies on this page are "communication", "estimates" and "cleanliness". 5 are open on Saturdays and 2 on Sundays. The services the companies on this page list most often on their websites are additions (2), home additions (2), renovations (2) and whole home renovations (2). 1 shows a licence on its website. Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 2005. 5 give free estimates; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the companies on this page; 21 publish a contact page; 21 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.
Do any of these crews work on Saturdays?
Saturday or Sunday hours show up on 5 of the 24 listings here. That often means the office answers, not that tile is going down. It matters most in a one-bathroom house, where a Saturday of curing time can pull the whole job forward by days.
Eden Build
“They made it easy for me to be creative while also adding valuable input to ensure the best results for the client.”
Canaan Cabinetry
“Every detail was looked after and they created a custom wood stain that was better than we imagined.”
AA Design Group
“He came up against some structural problems but with persistence and patience he made the solve.”
Stevebuilt Inc.
“He is always working with us instead of against us, and the quality of work put out is excellent.”
McKeen Construction
“Communication is absolutely vital in a project of this magnitude and Ryan or anyone on the McKeen Team was always available and willing to discuss and answer questions throughout the process.”
The Innovative Group
“If you're looking for a reliable contractor to assist you with your project, I would highly recommend you give them a call.”
Rich Home Inc.
“He will give you an honest estimate at a fair price and most importantly if you hire him, he will get the job done in the time promised.”
Milestone Millwork & Custom Kitchens
“Eight years ago, Chuck and the team created a dream kitchen for my dream home - well designed, beautifully crafted, and totally functional.”
HEK Renovations
“Their professionalism, efficiency, and top-tier workmanship have never wavered.”
Queen Street Carpentry and Contracting
“Jake Elstone came to our house and provided a very comprehensive estimate of the work required to upgrade our bathroom.”
DRT Custom Homes & Renovations
“The DRT team is quite client focus and definitely interested in producing a quality project.”
76 Construction Management
“I have had the privilege of visiting several custom houses built by 76 Construction, and I must say, I was thoroughly impressed.”
Craftwood General Contracting
“Steve and Billy built our deck and their workmanship is amazing, eye for detail impeccable, they were professional at all times.”
Carv Cabinetry
“They work hard at making you happy!”
Timberwood Custom Kitchens Inc.
“Extremely happy with our new kitchen.”
Stile.ca
“We were living in the house during the remodel and they didn't interfere with our lifestyle.”
Allegro Kitchens & Interiors
“I can't thank them enough great quality product with incredible workmanship installing my kitchen as well as great value with competitive prices ..”
J&S Construction
“Amazing work, so nice and polite.”
Why these companies made our list
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