247 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thorold: Niagara Landscaping Lawn Care and Cleaning (NLLC), CR Score 65/100; 4.7★ from 157 Google reviews; open 24/7.
Best for emergencies (open 24/7): Small Town Inc., posts 24/7 hours; ranked #6 of 247.
Most-reviewed: Mountainview Building Group, 99 Google reviews at 4.3★, the most of 247 ranked after Niagara Landscaping Lawn Care and Cleaning (NLLC); ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
247 Thorold general contractors are ranked here by CR Score, from ten published factors. 24 are open 24/7, 100 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 4.9★ across 247 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Niagara Landscaping Lawn Care and Cleaning (NLLC) | 65 | 4.7★ (157) | Niagara Falls, 11 km away | 24/7 | Overall |
| 2 | Johns Post Holes | 63 | 4.7★ (58) | Thorold | Sat · Sun | — |
| 3 | ELITE EXTERIORS & EAVESTROUGH | 63 | 4.9★ (61) | St. Catharines, 6 km away | Sat · Sun · Evenings | — |
| 4 | Mountainview Building Group | 62 | 4.3★ (99) | Thorold | Sat · Sun | Most reviews |
| 5 | Mitchell's Stucco and Parging | 61 | 4.8★ (53) | St. Catharines, 11 km away | Sat · Sun · Evenings | — |
| 6 | Small Town Inc. | 61 | 5.0★ (18) | St. Catharines, 5 km away | 24/7 | Emergencies |
| 7 | X Contracting Group INC. | 61 | 4.9★ (61) | St. Catharines, 8 km away | Sat | — |
| 8 | Red Maple Contracting | 60 | 5.0★ (15) | St. Catharines, 6 km away | 24/7 | — |
| 9 | Complete Casa Construction | 60 | 5.0★ (21) | St. Catharines, 4 km away | Sat · Sun · Evenings | — |
| 10 | RGS Carpentry | 60 | 5.0★ (10) | St. Catharines, 4 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Thorold
Based in Niagara Falls, 11 km away
Ranked #1 because of its Google rating and review volume: 4.7★ from 157 Google reviews, the most in Thorold.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thorold
Ranked #2 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 6 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thorold
Ranked #4 because of its Google rating and trade focus: 4.3★ from 99 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 11 km away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 5 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 8 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 6 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 4 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 4 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 9 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Tonawanda, 37 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thorold
Ranked #13 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Tonawanda, 32 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 28 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tonawanda, 29 km away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thorold
Ranked #17 because of its Google rating and trade focus: 4.8★ from 36 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 6 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grand Island, 22 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Tennis court construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 8 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 9 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 4 km away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne, 10 km away
Ranked #23 because of its Google rating and trade focus: 3.7★ from 49 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 27 km away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 14 km away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 78 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 247 ranked general contractors here; the rest are on their profiles.
20 more general 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 |
|---|---|---|
| 911 Roofer | 4.6★ (11) | In Thorold |
| Amir contracting solutions | 5.0★ (1) | In Thorold |
| Boreal Contracting | 5.0★ (5) | In Thorold |
| Cherry Ridge Homes Ltd | 5.0★ (1) | In Thorold |
| Efficient Exteriors siding & windows | 5.0★ (12) | In Thorold |
| Ferrell Builders’ Supply Ltd | 4.6★ (91) | In Thorold |
| JR Concrete | 5.0★ (6) | In Thorold |
| Keefer Developments Ltd | 2.5★ (2) | In Thorold |
| MTF Marble Tile Terrazzo & Epoxy Flooring @ Farhat Construction Co | 5.0★ (7) | In Thorold |
| Multi Service Maintenance | 5.0★ (5) | In Thorold |
| Niagara On The Lake Electrical Contracting Company Ltd | 4.0★ (1) | In Thorold |
| Paul Davis Niagara/Haldimand | 4.3★ (59) | In Thorold |
| Penn Contracting | 5.0★ (5) | In Thorold |
| Pilon Concrete Inc. | 5.0★ (6) | In Thorold |
| Precision Building Solutions | 5.0★ (2) | In Thorold |
| Rankin Construction Inc | 1.0★ (1) | In Thorold |
| Realm Builders | 5.0★ (1) | In Thorold |
| Scaps Contracting | 5.0★ (6) | In Thorold |
| Sid Grabell Contracting Limited | 5.0★ (2) | In Thorold |
| TimberStone Outdoor Construction Inc. | 5.0★ (21) | In Thorold |
US national ranges converted to CAD, not adjusted for Thorold. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | CA$20,510 | CA$37,930 | CA$58,490 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Bathroom remodel | CA$9,350 | CA$17,080 | CA$24,820 | Per bathroom: typical range of customer-reported remodels. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 247 Thorold general contractors 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 Thorold 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 |