203 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Keswick: Groundworks, CR Score 63/100; 4.9★ from 1,412 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Aquamaster Basement Waterproofing Barrie, posts 24/7 hours; ranked #2 of 203.
Most-reviewed: Aquatech Basement Waterproofing Toronto, 655 Google reviews at 5.0★, the most of 203 ranked after Groundworks; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
203 Keswick foundation repair companies are ranked here by CR Score, from ten published factors. 72 are open 24/7, 164 open Saturdays and 121 open Sundays, based on posted hours. The median Google rating is 5.0★ across 203 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Groundworks | 63 | 4.9★ (1,412) | East Gwillimbury, 36 km away | Sat · Sun · Evenings | Overall |
| 2 | Aquamaster Basement Waterproofing Barrie | 61 | 5.0★ (93) | Barrie, 34 km away | 24/7 | Emergencies |
| 3 | Pro-Leak Solutions | 61 | 5.0★ (208) | East Gwillimbury, 33 km away | Sat · Sun · Evenings | — |
| 4 | RCC Waterproofing Toronto | 60 | 4.8★ (634) | Toronto, 60 km away | 24/7 | — |
| 5 | Hillside Waterproofing | 60 | 5.0★ (97) | Keswick | 24/7 | — |
| 6 | Aquatech Basement Waterproofing Toronto | 60 | 5.0★ (655) | Toronto, 63 km away | Sat · Sun · Evenings | Most reviews |
| 7 | RCC Waterproofing Vaughan | 59 | 4.9★ (180) | Concord, 54 km away | 24/7 | — |
| 8 | PH Group | 59 | 4.8★ (49) | Angus, 31 km away | 24/7 | — |
| 9 | Aquatech Waterproofing | 59 | 5.0★ (78) | Vaughan, 49 km away | 24/7 | — |
| 10 | Fast Fix Waterproofing & Foundations | 59 | 5.0★ (11) | Barrie, 12 km away | 24/7 | — |
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 review volume: 4.9★ from 1,412 Google reviews, the most in Keswick.
Based in Barrie, 34 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Waterproofing service”.
Based in East Gwillimbury, 33 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 208 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto, 60 km away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 634 Google reviews, listed on Google as “Waterproofing service”.
Based in Keswick
Ranked #5 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “Concrete contractor”.
Based in Toronto, 63 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 655 Google reviews, listed on Google as “Waterproofing service”.
Based in Concord, 54 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 180 Google reviews, listed on Google as “Waterproofing service”.
Based in Angus, 31 km away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 49 Google reviews, listed on Google as “Waterproofing service”.
Based in Vaughan, 49 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Waterproofing service”.
Based in Barrie, 12 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Waterproofing service”.
Based in Barrie, 13 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
Based in North York, 55 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Waterproofing service”.
Based in Toronto, 53 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Waterproofing service”.
Based in Barrie, 20 km away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Waterproofing service”.
Based in Richmond Hill, 41 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based in North York, 56 km away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 97 Google reviews, listed on Google as “Waterproofing service”.
Based in Markham, 45 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Waterproofing service”.
Based in Bracebridge, 47 km away
Ranked #18 because of its Google rating and trade focus: 4.5★ from 72 Google reviews, listed on Google as “Waterproofing service”.
Based in Barrie, 33 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based in East York, 61 km away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 177 Google reviews, listed on Google as “Waterproofing service”.
Based in Oshawa, 57 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Waterproofing service”.
Based in Aurora, 28 km away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Waterproofing service”.
Based in Markham, 49 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Waterproofing service”.
Based in Barrie, 23 km away
Ranked #24 because of its Google rating and review volume: 4.8★ from 172 Google reviews.
Based in Toronto, 60 km away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 35 Google reviews, listed on Google as “Waterproofing service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 203 ranked foundation repair companies here; the rest are on their profiles.
20 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 |
|---|---|---|
| 905 leaky basement solutions | 5.0★ (2) | In Keswick |
| Better Than New Contracting | 5.0★ (2) | In Keswick |
| By Wisdom Inc. | 5.0★ (5) | In Keswick |
| D.S Foundation and Concrete | 5.0★ (2) | 43 km |
| Dol Contracting | 5.0★ (1) | In Keswick |
| Kanata Development Inc | 5.0★ (11) | In Keswick |
| Kerney Family Contracting | 5.0★ (5) | In Keswick |
| Large Format Flooring | 5.0★ (7) | In Keswick |
| Larry Burns Excavating Inc | 5.0★ (1) | In Keswick |
| LSCForming (2018) INC. | 5.0★ (1) | In Keswick |
| MJGTA Contracting | 5.0★ (6) | In Keswick |
| Morton Carpentry Complete Home Renovations | 5.0★ (11) | In Keswick |
| MT Drains & Plumbers Newmarket : Foundation Repair & Basement Waterproofing Aurora | 5.0★ (2) | 24 km |
| ROI Renos | 4.8★ (22) | In Keswick |
| Soil Surgeons Excavating, Grading, & Septic | 5.0★ (2) | 33 km |
| Stefco Construction Inc | 5.0★ (2) | In Keswick |
| The 2x4 Company | 3.0★ (1) | In Keswick |
| The Basement Guy Waterproofing | 5.0★ (1) | In Keswick |
| The Renovators of Canada | 4.3★ (6) | In Keswick |
| Vulcan Builder Group LTD | 4.9★ (7) | In Keswick |
US national ranges converted to CAD, not adjusted for Keswick. 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 203 Keswick 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 Keswick 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 |