Harbour Ridge Design and Build
“They installed a ICF pool, stamped coloured concrete deck, retaining wall and pool house for us.”
Best Retaining Wall Contractors near St. Thomas, ON
3 of these companies are based in St. Thomas; the others serve St. Thomas from towns including London (24 km), Aylmer (15 km) and Port Stanley (12 km).
13 open weekends · 11 rated 4.5+
Data verified October 18, 2026
Elite Masonry Restoration
“Quickly and effectively answered my renovation inquires via phone and text message over multiple days without having a signed contract or deposit.”
Elgin Contracting & Restoration
“Organization, lovely people to work with.”
Arm's Landscaping
“We have encountered alot of trades in the last few years amd ARM was by far the most reliable and professional.”
Viridity Incorporated
“We had viridity help us with design and installation of our backyard and pool.”
Warrington's Masonry Chimney Brick Block Stone Repair
“Soooo happy with their work, and they respected our property and cleaned-up like they have never ever been here!”
Listed for homeowners in and around St. Thomas, ON, these 15 companies build and rebuild retaining walls. Wall types, materials and seasonal hours are what each company publishes for itself, and the ratings and quoted lines are drawn from public reviews.
Area overview: St. Thomas, ON
The 15 companies on this page are rated from 3.9 to 5.0 across 339 reviews; 1 has 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "communication", "price" and "quality". 13 are open on Saturdays and 4 on Sundays. Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 2002. 1 offers financing or payment plans; 4 give free estimates and 2 are family- or locally-owned. We have a website on file for 14 of the companies on this page; 13 publish a contact page and 14 list a public email. 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.
Why are companies from other towns listed here?
Out of 15 listings, an address in St. Thomas is shown on 3. The others sit within 25 km. Wall work moves machines, pallets of block and truckloads of stone, so crews travel for it happily; the material delivery often costs more than the drive does.
Ferrari Concrete
“They were very detailed and gave me good advice on the layout of my new driveway as we changed it from single to double.”
West Key Builders
“It looks so good now and I will definitely use them again when I need more work.”
Countryside Landscape & Pools
“They were very professional and attentive to all our inquiries during the process as new pool owners.”
MAR Concrete Ltd.
“They were kind, efficient, did a fantastic job and are reasonably priced.”
Alterfine Masonry
“We are a small townhouse condo in a retirement community and could not have asked for a more professional, responsive and courteous company.”
Paracan Ltd
“Professional to deal with and told me exactly what I needed for the job.”
Lockington Homes I.c.f
“Kelly, Ben and the Lockington Homes crew built our ICF house and installed our radiant floor heating 8 years ago They came in on time, on budget and considerably less expensive than any other quote we received.”
Southwold Concrete Forming Ltd.
“They were fast but did a very thorough job with their measurements and everything turned out perfect.”
London On Concrete
“My project was a small one (a 9' x 7' shed pad) but I'll be happy to have London ON Concrete do further work in the future when we replace our old asphalt driveway with a concrete one.”
Why these companies made our list
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