48 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rayside-Balfour: UnderCutters Roofing, CR Score 88/100; 4.6★ from 32 Google reviews; open 24/7.
Best for emergencies (open 24/7): JSM Roofing and Repairs, posts 24/7 hours; ranked #2 of 48.
Most-reviewed: C & R Roofing, 68 Google reviews at 4.5★, the most of 48 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
48 Rayside-Balfour roofers are ranked here by CR Score, from 8 published factors. 14 are open 24/7, 20 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.5★ across 48 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | UnderCutters Roofing | 88 | 4.6★ (32) | Greater Sudbury, 27 km away | 24/7 | Overall |
| 2 | JSM Roofing and Repairs | 87 | 5.0★ (18) | Greater Sudbury, 23 km away | 24/7 | Emergencies |
| 3 | Strategic Roofing | 87 | 4.4★ (26) | Greater Sudbury, 20 km away | 24/7 | — |
| 4 | LB's Exteriors Inc. | 86 | 4.5★ (40) | Greater Sudbury, 10 km away | Sat · Sun · Evenings | — |
| 5 | CASPI SERVICE GROUP of Greater Sudbury/Manitoulin/Algoma | 86 | 5.0★ (33) | Greater Sudbury, 58 km away | 24/7 | — |
| 6 | CHR Roofing | 85 | 3.8★ (37) | Greater Sudbury, 24 km away | 24/7 | — |
| 7 | NextGen200 Construction | 84 | 4.6★ (11) | Greater Sudbury, 26 km away | 24/7 | — |
| 8 | T&T Roofing | 83 | 5.0★ (4) | Greater Sudbury, 10 km away | 24/7 | — |
| 9 | Bourdon and Sons Windows & Doors -Siding-Sudbury | 83 | 4.7★ (44) | Greater Sudbury, 21 km away | Sat · Evenings | — |
| 10 | JUST ROOFING SUDBURY | 82 | 4.0★ (4) | Greater Sudbury, 10 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 availability: 4.6★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 23 km away
Ranked #2 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 20 km away
Ranked #3 because of its Google rating and availability: 4.4★ from 26 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 10 km away
Ranked #4 because of its Google rating and trade focus: 4.5★ from 40 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 58 km away
Ranked #5 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 24 km away
Ranked #6 because of its Google rating and availability: 3.8★ from 37 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 26 km away
Ranked #7 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 10 km away
Ranked #8 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.
Based in Greater Sudbury, 21 km away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 44 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 10 km away
Ranked #10 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 4 km away
Ranked #11 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 10 km away
Ranked #12 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 25 km away
Ranked #13 because of its Google rating and availability: 3.7★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 10 km away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 29 km away
Ranked #15 because of its Google rating and availability: 4.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 10 km away
Ranked #16 because of its Google rating and availability: 3.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 35 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 14 km away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 27 km away
Ranked #19 because of its Google rating and review volume: 4.5★ from 68 Google reviews, the most Google reviews on this list (68).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 24 km away
Ranked #20 because of its Google rating and availability: 1.7★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 14 km away
Ranked #21 because of its Google rating and trade focus: 3.9★ from 8 Google reviews, listed on Google as “Roofing contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Lively, 26 km away
Ranked #22 because of its Google rating and trade focus: 4.3★ from 44 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 27 km away
Ranked #23 because of its Google rating and trade focus: 4.3★ from 60 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 9 km away
Ranked #24 because of its Google rating and trade focus: 2.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 15 km away
Ranked #25 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile. We publish the top 27 of 48 ranked roofers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Sudbury Roofing Ltd | 76 | 4.0★ (4) | 7 km |
| 27 | Guy & Assoc Roofing & Renovations | 75 | 4.0★ (4) | 23 km |
US national ranges converted to CAD, not adjusted for Rayside-Balfour. 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 |
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.
We scored 48 Rayside-Balfour roofers 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 Rayside-Balfour 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 |