85/100CR Score
Ranked #1 because of its Google rating and availability: 4.3★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.3★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Concrete Contractors in Cornwall, ON (2026)
10 concrete contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cornwall: SD&G Contracting, CR Score 85/100; 4.3★ from 21 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): DynamiCrete, posts 24/7 hours; ranked #3 of 10.
- 5
Most-reviewed: Cornwall Concrete Products Ltd, 30 Google reviews at 4.5★, the most of 10 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Cornwall concrete contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 5.0★ across 10 rated businesses.
Top 10 concrete contractors in Cornwall at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SD&G Contracting | 85 | 4.3★ (21) | Cornwall | 24/7 | Overall |
| 2 | AAA Tillaart Concrete Core Drilling & Cutting | 83 | 4.6★ (7) | Cornwall | — | — |
| 3 | DynamiCrete | 80 | 5.0★ (4) | Cornwall | 24/7 | Emergencies |
| 4 | DynamiCrete | 79 | 5.0★ (3) | Cornwall | 24/7 | — |
| 5 | Cornwall Concrete Products Ltd | 78 | 4.5★ (30) | Cornwall | — | Most reviews |
| 6 | Beautified Creations Construction and Restoration | 77 | 5.0★ (25) | Cornwall | — | — |
| 7 | Gravelle's Concrete & Parging Services | 76 | 5.0★ (5) | Cornwall | — | — |
| 8 | Quality Concrete Work LTD. | 76 | 5.0★ (4) | Cornwall | — | — |
| 9 | Seaway Elitecrete | 70 | 5.0★ (3) | Cornwall | Sat | — |
| 10 | Upstone Materials- Malone Concrete | 65 | 4.0★ (4) | Malone, 40 km away | — | — |
The 10 best concrete contractors in Cornwall, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Cornwall
83/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.6★ from 7 Google reviews
- Address
- 101 Wellington St W, Cornwall, ON K6J 5G7
#3 DynamiCrete
Based in Cornwall
80/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#4 DynamiCrete
Based in Cornwall
79/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cornwall
78/100CR ScoreRanked #5 because of its Google rating and review volume: 4.5★ from 30 Google reviews, the most Google reviews on this list (30).
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.5★ from 30 Google reviews
- Hours
- Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
- Address
- 460 Seventh St W, Cornwall, ON K6J 2Y7
Based in Cornwall
77/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 25 Google reviews, 25 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 25 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Based in Cornwall
76/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 718 First St E, Cornwall, ON K6H 1M4
Based in Cornwall
76/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 5619 ON-138, Long Sault, ON K0C 1P0
Based in Cornwall
70/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Flooring contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- Tyotown Rd, South Glengarry, ON K6H 7P6
Based in Malone, 40 km away
65/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Foundation”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat–Sun closed
- Address
- 359 Elm St, Malone, NY 12953
Also serving Cornwall
20 more concrete contractors within 40 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 |
|---|---|---|
| Bankley's Flooring | 4.5★ (11) | In Cornwall |
| Cornwall Gravel | 3.8★ (16) | In Cornwall |
| Crack Pro Foundation Repair | 4.7★ (39) | In Cornwall |
| Demolition Plus | 3.5★ (23) | In Cornwall |
| DeSaulniers Construction Ltd | 3.7★ (6) | In Cornwall |
| Discount Carpet Sales Cornwall | 4.6★ (71) | In Cornwall |
| Iron Fort Construction & Renovation | 4.3★ (59) | In Cornwall |
| JSM Elite Contracting | 5.0★ (20) | In Cornwall |
| Laframboise Concrete Flooring | 5.0★ (1) | In Cornwall |
| Little Digger | 5.0★ (22) | In Cornwall |
| Menard Robertson Custom Homes and Renovations Inc. | 4.8★ (12) | In Cornwall |
| Millennial Contracting Inc. | 4.8★ (43) | In Cornwall |
| MPM McFarland Property Maintenance Cornwall | 5.0★ (35) | In Cornwall |
| Nxtgen Construction | 5.0★ (5) | In Cornwall |
| O.G. Contracting Inc. | 4.5★ (2) | In Cornwall |
| R&S Concrete | 3.0★ (2) | In Cornwall |
| Robert Boileau Construction LTD | 5.0★ (2) | In Cornwall |
| Stone Age Masonry | 3.0★ (2) | In Cornwall |
| T&B Next Level Construction LLC | 5.0★ (8) | In Cornwall |
| Wilson Construction | 5.0★ (4) | In Cornwall |
How much do concrete contractors cost in Cornwall?
US national ranges converted to CAD, not adjusted for Cornwall. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Concrete driveway | CA$3,790 | CA$8,990 | CA$20,380 | Per driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
How we ranked Cornwall concrete contractors
We scored 10 Cornwall concrete contractors on 8 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. Unknown factors are left out of the score, 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 Cornwall data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Concrete contractors in Cornwall: frequently asked questions
Who is the best concrete contractor in Cornwall?
By CR Score, the highest-ranked concrete contractor in Cornwall, ON is SD&G Contracting with a CR Score of 85/100. It has 4.3★ from 21 Google reviews. It is open 24/7. AAA Tillaart Concrete Core Drilling & Cutting (#2) and DynamiCrete (#3) follow. We ranked 10 concrete contractors on 8 factors, last updated October 22, 2026.
How many concrete contractors are there in Cornwall?
ContractorsRanked ranks 10 concrete contractors serving Cornwall, ON. 9 of them are based in Cornwall; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.
Which concrete contractors in Cornwall are open 24/7?
3 ranked concrete contractors in Cornwall post 24/7 hours. The highest-ranked are SD&G Contracting (#1), DynamiCrete (#3) and DynamiCrete (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which concrete contractors in Cornwall work on weekends?
4 of 10 ranked concrete contractors post Saturday hours and 3 post Sunday hours. The highest-ranked open Saturdays are SD&G Contracting (#1), DynamiCrete (#3) and DynamiCrete (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does concrete driveway cost in Cornwall?
Concrete driveway typically costs CA$3,790 to CA$20,380, with CA$8,990 typical (Per driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for Cornwall. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Cornwall concrete contractors have?
The median Google rating among 10 rated concrete contractors in Cornwall is 5.0★, with a median of 5 reviews. Cornwall Concrete Products Ltd has the most, 30 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank concrete contractors?
Each concrete contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do concrete contractors outside Cornwall count in this ranking?
Yes, if they are within 40 km of the Cornwall city centre, our service radius for concrete contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Cornwall
- October 2026: CR Scores recalculated for 10 concrete contractors serving Cornwall.
More concrete contractors and Cornwall pages
Concrete contractors near Cornwall
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