289 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Alliston: ASAP Caulking & Construction, CR Score 90/100; 4.9★ from 88 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Saco Construction, posts 24/7 hours; ranked #4 of 289.
Most-reviewed: Gravel Driveway Services, 108 Google reviews at 4.8★, the most of 289 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
289 Alliston general contractors are ranked here by CR Score, from 8 published factors. 17 are open 24/7, 145 open Saturdays and 66 open Sundays, based on posted hours. The median Google rating is 5.0★ across 289 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ASAP Caulking & Construction | 90 | 4.9★ (88) | Richmond Hill, 11 km away | Sat · Sun · Evenings | Overall |
| 2 | Gravel Driveway Services | 90 | 4.8★ (108) | Aurora, 11 km away | Sat · Sun · Evenings | Most reviews |
| 3 | Yorkland Homes | 87 | 5.0★ (81) | East Gwillimbury, 30 km away | Sat · Sun · Evenings | — |
| 4 | Saco Construction | 86 | 5.0★ (68) | Burlington, 28 km away | 24/7 | Emergencies |
| 5 | Rotari Construction Inc - Home, Basement and Bathroom renovation company | 86 | 5.0★ (22) | Richmond Hill, 33 km away | 24/7 | — |
| 6 | Ace Contracting | 86 | 4.9★ (29) | Barrie, 8 km away | Sat · Sun · Evenings | — |
| 7 | Cubic Feet Designs | 85 | 4.9★ (60) | Barrie, 31 km away | — | — |
| 8 | Revy Contracting | 85 | 5.0★ (51) | Wasaga Beach, 32 km away | — | — |
| 9 | SONCE HOMES | 85 | 5.0★ (51) | East Gwillimbury, 33 km away | Sat · Sun · Evenings | — |
| 10 | Drycrete Contracting | 85 | 4.7★ (14) | Barrie, 27 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Aurora, 11 km away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 108 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 30 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Burlington, 28 km away
Ranked #4 because of its Google rating and availability: 5.0★ from 68 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond Hill, 33 km away
Ranked #5 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Barrie, 8 km away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Barrie, 31 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Wasaga Beach, 32 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “General contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in East Gwillimbury, 33 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Barrie, 27 km away
Ranked #10 because of its Google rating and availability: 4.7★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Aurora, 37 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 25 km away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 53 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Barrie, 28 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Aurora, 36 km away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Aurora, 36 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Markham, 36 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 29 km away
Ranked #17 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Collingwood, 35 km away
Ranked #18 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Tottenham, 16 km away
Ranked #19 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.
Based in Innisfil, 28 km away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 26 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Newmarket, 36 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Newmarket, 34 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Aurora, 37 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Barrie, 29 km away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 23 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 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 289 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 |
|---|---|---|
| Alpha Flooring | 5.0★ (3) | In Alliston |
| Chris Bell Contracting | 5.0★ (14) | In Alliston |
| Construction | 3.0★ (4) | In Alliston |
| Corex Contracting | 5.0★ (2) | In Alliston |
| DS Contractors | 5.0★ (1) | In Alliston |
| Global Focus | In Alliston | |
| Green & Red Construction Ltd | 4.0★ (1) | In Alliston |
| Greene Contracting | 5.0★ (2) | In Alliston |
| LUDA Contracting Ltd | 4.6★ (9) | In Alliston |
| McCarthy Electrical Contracting | 4.8★ (4) | In Alliston |
| MDM Shower and Bath Renovations Ltd | In Alliston | |
| Mighty Oak Renovations | 5.0★ (1) | In Alliston |
| Morley Contracting | In Alliston | |
| Peter Rock Concrete | 5.0★ (35) | In Alliston |
| Previn Court Homes | 4.6★ (20) | In Alliston |
| Qube Restoration Services | In Alliston | |
| SSDrywallTaping | In Alliston | |
| Strong's Septic Service Inc | 4.4★ (21) | In Alliston |
| Tamarack Landscape Contracting Ltd | 4.5★ (6) | In Alliston |
| Weldon Renovations | 5.0★ (2) | In Alliston |
US national ranges converted to CAD, not adjusted for Alliston. 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 289 Alliston general 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 Alliston 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 |