33 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Aylmer: Foundation Brothers, CR Score 61/100; 4.9★ from 160 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): DrainCam Plumbing, posts 24/7 hours; ranked #2 of 33.
Most-reviewed: DrainCam Plumbing, 329 Google reviews at 4.9★, the most of 33 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Aylmer foundation repair companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 22 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.9★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Foundation Brothers | 61 | 4.9★ (160) | Norfolk County, 40 km away | Sat · Sun · Evenings | Overall |
| 2 | DrainCam Plumbing | 60 | 4.9★ (329) | London, 17 km away | 24/7 | Emergencies, Most reviews |
| 3 | On Point Masonry Repair and Waterproofing | 59 | 4.9★ (61) | Norfolk County, 60 km away | 24/7 | — |
| 4 | RCC Waterproofing London | 58 | 4.5★ (20) | London, 31 km away | 24/7 | — |
| 5 | A Wet Basement Guy | 57 | 4.8★ (23) | Simcoe, 56 km away | 24/7 | — |
| 6 | PMD Excavation Construction | 57 | 5.0★ (46) | St. Thomas, 14 km away | 24/7 | — |
| 7 | Nature's Foundation | 56 | 5.0★ (12) | St. Thomas, 11 km away | 24/7 | — |
| 8 | Best Plumbing and Drainage Contractors | 56 | 4.8★ (85) | London, 29 km away | 24/7 | — |
| 9 | ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING | 56 | 5.0★ (143) | London, 33 km away | Sat · Sun · Evenings | — |
| 10 | Orange-Con | 56 | 4.4★ (7) | St. Thomas, 8 km away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 160 Google reviews, listed on Google as “Waterproofing service”.
Based in London, 17 km away
Ranked #2 because of its Google rating and review volume: 4.9★ from 329 Google reviews, the most in Aylmer.
Based in Norfolk County, 60 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Waterproofing service”.
Based in London, 31 km away
Ranked #4 because of its Google rating and trade focus: 4.5★ from 20 Google reviews, listed on Google as “Waterproofing service”.
Based in Simcoe, 56 km away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Waterproofing service”.
Based in St. Thomas, 14 km away
Ranked #6 because of its Google rating and review volume: 5.0★ from 46 Google reviews.
Based in St. Thomas, 11 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Landscaper”.
Based in London, 29 km away
Ranked #8 because of its Google rating and review volume: 4.8★ from 85 Google reviews.
Based in London, 33 km away
Ranked #9 because of its Google rating and review volume: 5.0★ from 143 Google reviews.
Based in St. Thomas, 8 km away
Ranked #10 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Waterproofing service”.
Based in Lambton Shores, 48 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based in London, 26 km away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 9 Google reviews, listed on Google as “Water damage restoration service”.
Based in London, 32 km away
Ranked #13 because of its Google rating and review volume: 5.0★ from 35 Google reviews.
Based in Woodstock, 40 km away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based in Woodstock, 44 km away
Ranked #15 because of its Google rating and trade focus: 4.6★ from 44 Google reviews, listed on Google as “Waterproofing service”.
Based in London, 33 km away
Ranked #16 because of its Google rating and review volume: 5.0★ from 21 Google reviews.
Based in London, 23 km away
Ranked #17 because of its Google rating and review volume: 4.8★ from 73 Google reviews.
Based in London, 28 km away
Ranked #18 because of its Google rating and review volume: 4.9★ from 172 Google reviews.
Based in London, 28 km away
Ranked #19 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
Based in London, 25 km away
Ranked #20 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based in Ancaster, 27 km away
Ranked #21 because of its Google rating and review volume: 4.9★ from 39 Google reviews.
Based in Norfolk County, 23 km away
Ranked #22 because of its Google rating and review volume: 5.0★ from 48 Google reviews.
Based in London, 26 km away
Ranked #23 because of its Google rating and review volume: 4.8★ from 21 Google reviews.
Based in Lambton Shores, 48 km away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 52 Google reviews, listed on Google as “Concrete contractor”.
Based in Simcoe, 56 km away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Concrete contractor”.
#1 to #25 are shown in full above. Here are #26 to #33, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | JR's Waterproofing and Structural Repair | 49 | 5.0★ (45) | 63 km |
| 27 | RVM Trucking | 49 | 4.7★ (23) | 42 km |
| 28 | Ashworth Drainage | 48 | 4.7★ (34) | 30 km |
| 29 | Corner Gas Plumbing & Home Renovations | 48 | 5.0★ (16) | 26 km |
| 30 | A.P. Hurley Construction & Emergency Services | 45 | 4.3★ (8) | 47 km |
| 31 | JAB Contractor Services | 45 | 5.0★ (6) | 53 km |
| 32 | Mobile Mix Concrete | 44 | 3.1★ (9) | 34 km |
| 33 | Co-Fo Concrete Forming Construction Ltd | 44 | 5.0★ (3) | 34 km |
13 more foundation repair companies within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A1 Waterproofing | 23 km | |
| Absolute Water Treatment & Plumbing Services Inc | 5.0★ (84) | In Aylmer |
| Alpha 1 Concrete Forming | 51 km | |
| Cornerstone Construction Group | 5.0★ (1) | In Aylmer |
| Dpa Contracting Ltd | 5.0★ (2) | 32 km |
| Foundation Brothers | 5.0★ (2) | 31 km |
| LevelSlab Concrete Lifting | 4.9★ (13) | In Aylmer |
| Lockington Homes I.C.F | 4.1★ (9) | In Aylmer |
| Maxx Contracting Brick Chimney Repairs Waterproofing | 5.0★ (1) | 48 km |
| PerfectFit Installations | 5.0★ (13) | In Aylmer |
| Stopleak Basement Waterproofing | 34 km | |
| Teichroeb Exteriors Inc. | 4.9★ (70) | In Aylmer |
| We Seal That | 56 km |
US national ranges converted to CAD, not adjusted for Aylmer. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | CA$3,130 | CA$7,270 | CA$11,430 | Per project: typical range of customer-reported repairs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 33 Aylmer foundation repair companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Aylmer data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |