65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 476 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 476 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 85 Gunn St, Barrie, ON L4M 2H4
Best Roofers in Keswick, ON (2026)
543 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Keswick: Ainger Group Roofing and Exteriors, CR Score 65/100; 4.9★ from 476 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): C Plus Roofing, posts 24/7 hours; ranked #3 of 543.
- 3
Most-reviewed: C Plus Roofing, 573 Google reviews at 4.9★, the most of 543 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
543 Keswick roofers are ranked here by CR Score, from ten published factors. 132 are open 24/7, 397 open Saturdays and 305 open Sundays, based on posted hours. The median Google rating is 4.9★ across 543 rated businesses.
Top 10 roofers in Keswick at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ainger Group Roofing and Exteriors | 65 | 4.9★ (476) | Barrie, 24 km away | 24/7 | Overall |
| 2 | Georgina Roofing Ltd. | 64 | 5.0★ (180) | East Gwillimbury, 10 km away | Sat · Sun · Evenings | — |
| 3 | C Plus Roofing | 64 | 4.9★ (573) | Markham, 47 km away | 24/7 | Emergencies, Most reviews |
| 4 | JN Roofing and Contracting | 63 | 4.8★ (172) | Barrie, 23 km away | 24/7 | — |
| 5 | D.C United Roofing | 63 | 4.8★ (151) | Barrie, 25 km away | 24/7 | — |
| 6 | Wilson Roofing | 63 | 5.0★ (518) | Oshawa, 61 km away | 24/7 | — |
| 7 | Estate Exteriors | 62 | 5.0★ (122) | East Gwillimbury, 18 km away | Sat · Sun · Evenings | — |
| 8 | Real Blue Roofing Services Inc. | 62 | 5.0★ (124) | Barrie, 21 km away | Sat · Sun · Evenings | — |
| 9 | Top Art Roofing Ltd | 62 | 4.9★ (192) | Markham, 43 km away | 24/7 | — |
| 10 | Green Leaf Roofing Inc. | 62 | 4.8★ (50) | East Gwillimbury, 12 km away | 24/7 | — |
The 543 best roofers in Keswick, ranked
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.
Based in East Gwillimbury, 10 km away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 180 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 180 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 5750 Thomas Dr, Baldwin, ON L0E 1A0
Based in Markham, 47 km away
64/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 573 Google reviews, the most in Keswick.
- 4.9★ from 573 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 66 Norbury Dr, Markham, ON L3S 3V2
Based in Barrie, 23 km away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 172 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 172 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 161 Brock St, Barrie, ON L4N 2M3
Based in Barrie, 25 km away
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 151 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 151 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28 Currie St Unit 13c, Barrie, ON L4M 5N4
Based in Oshawa, 61 km away
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 518 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 518 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 47 Fernhill Blvd, Oshawa, ON L1J 5J1
Based in East Gwillimbury, 18 km away
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 122 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Based in Barrie, 21 km away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 124 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 124 Google reviews
- Hours
- Mon–Sat 6 AM–9 PM · Sun 7 AM–8 PM
- Address
- 92 Caplan Ave, Barrie, ON L4N 9J2
Based in Markham, 43 km away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 192 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 192 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 185 Manhattan Dr, Markham, ON L3P 7S9
Based in East Gwillimbury, 12 km away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 50 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2585 Line 13, Gilford, ON L3Z 3N9
Based in Newmarket, 24 km away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 16715 Yonge St 12 - Suite 918, Newmarket, ON L3X 1X4
#12 RonOvations
Based in Angus, 34 km away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 97 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31 Bank St, Angus, ON L3W 0M5
#13 ELSA Roofing
Based in Keswick
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 40 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 220 Wynhurst Rd, Keswick, ON L4P 2R5
Based in Richmond Hill, 38 km away
61/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11611 Yonge St, Richmond Hill, ON L4E 1G4
Based in Barrie, 26 km away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 60 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 238 Cardinal St, Barrie, ON L4M 6G9
Based in Keswick
61/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.4★ from 94 Google reviews, listed on Google as “Roofing contractor”.
- 4.4★ from 94 Google reviews
- Hours
- Mon–Sun 7 AM–11 PM
- Address
- 2538 Old Homestead Rd, Keswick, ON L4P 0P8
Based in Burlington, 52 km away
61/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 224 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 224 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Richmond Hill, 41 km away
61/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 173 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 173 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 8 AM–12 PM
- Address
- 41 Crosby Ave, Richmond Hill, ON L4C 0B2
Based in Barrie, 23 km away
60/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 36 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 121 Patterson Rd, Barrie, ON L4N 7B7
Based in East Gwillimbury, 18 km away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 57 Google reviews
- Hours
- Mon–Sun 6 AM–10 PM
Based in Collingwood, 63 km away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 317 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 317 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 30 Sandford Fleming Dr Unit 2, Collingwood, ON L9Y 4V7
Based in North York, 61 km away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 212 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 212 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 41 Arrowsmith Ave, North York, ON M6M 2W9
#23 TRW Roofworx Inc
Based in East Gwillimbury, 9 km away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 25178 Vly Vw Dr, Sutton, ON L0E 1R0
Based in Richmond Hill, 44 km away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 81 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 266 Valleymede Dr, Richmond Hill, ON L4B 2C2
Based in Barrie, 24 km away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 78 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Roofers ranked #26 to #50
#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 543 ranked roofers here; the rest are on their profiles.
Also serving Keswick
20 more roofers 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 |
|---|---|---|
| Adam's Roofing Company | 4.5★ (8) | 11 km |
| Apple Roofing Toronto | 5.0★ (59) | 60 km |
| D'Angelo and Sons | Eavestrough and Roofing Vaughan | 4.9★ (33) | 43 km |
| INTERLINK ROOFING | 5.0★ (26) | 41 km |
| 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 |
| MJGTA Contracting | 5.0★ (6) | In Keswick |
| Pearson Roofing Corporation | 4.9★ (51) | 49 km |
| Ready Roofers | 5.0★ (22) | 39 km |
| Reliable Roofing Resolutions Inc. | 5.0★ (40) | 53 km |
| ROI Renos | 4.8★ (22) | In Keswick |
| Sasquatch Roofing | 5.0★ (12) | 23 km |
| Stefco Construction Inc | 5.0★ (2) | In Keswick |
| Strong Arm Roofing | 4.7★ (46) | 38 km |
| The 2x4 Company | 3.0★ (1) | In Keswick |
| Toronto Master Roofing | 5.0★ (77) | 58 km |
| Vokes Home Improvements | 5.0★ (1) | In Keswick |
| Vulcan Builder Group LTD | 4.9★ (7) | In Keswick |
How much do roofers cost 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 |
|---|---|---|---|---|---|
| Roof replacement | CA$10,540 | CA$14,050 | CA$19,680 | Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Roof repair | CA$560 | CA$1,650 | CA$2,770 | Per repair: typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
When to hire a roofer in Ontario
In Ontario, roofers are busiest from late spring to early fall, when shingles can be installed in mild, dry weather. After a big storm, get more than one quote and check the license or registration before signing.
How we ranked Keswick roofers
We scored 543 Keswick roofers 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 |
Roofers in Keswick: frequently asked questions
Who is the best roofer in Keswick?
By CR Score, the highest-ranked roofer in Keswick, ON is Ainger Group Roofing and Exteriors with a CR Score of 65/100. It has 4.9★ from 476 Google reviews. It is open 24/7. Georgina Roofing Ltd. (#2) and C Plus Roofing (#3) follow. We ranked 543 roofers on ten factors, last updated October 22, 2026.
How many roofers are there in Keswick?
ContractorsRanked ranks 543 roofers serving Keswick, ON. 2 of them are based in Keswick; the rest serve it from nearby towns. Another 20 within 64 km are listed but not ranked yet. Counts are as of October 2026.
Which roofers in Keswick are open 24/7?
132 ranked roofers in Keswick post 24/7 hours. The highest-ranked are Ainger Group Roofing and Exteriors (#1), C Plus Roofing (#3) and JN Roofing and Contracting (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which roofers in Keswick work on weekends?
397 of 543 ranked roofers post Saturday hours and 305 post Sunday hours. The highest-ranked open Saturdays are Ainger Group Roofing and Exteriors (#1), Georgina Roofing Ltd. (#2) and C Plus Roofing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does roof replacement cost in Keswick?
Roof replacement typically costs CA$10,540 to CA$19,680, with CA$14,050 typical (Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for Keswick. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Keswick roofers have?
The median Google rating among 543 rated roofers in Keswick is 4.9★, with a median of 21 reviews. C Plus Roofing has the most, 573 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire a roofer in Keswick?
In Ontario, roofers are busiest from late spring to early fall, when shingles can be installed in mild, dry weather. After a big storm, get more than one quote and check the license or registration before signing.
How does ContractorsRanked rank roofers?
Each roofer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Keswick
- October 2026: CR Scores recalculated for 543 roofers serving Keswick.
- October 2026: 1 duplicate listing merged.
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