753 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Markham: C Plus Roofing, CR Score 96/100; 4.9★ from 573 Google reviews; open 24/7.
Best for emergencies (open 24/7): Wilson Roofing, posts 24/7 hours; ranked #2 of 753.
Most-reviewed: Taminka Metal Roofing, 625 Google reviews at 5.0★, the most of 753 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
753 Markham roofers are ranked here by CR Score, from 8 published factors. 182 are open 24/7, 574 open Saturdays and 429 open Sundays, based on posted hours. The median Google rating is 4.9★ across 753 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | C Plus Roofing | 96 | 4.9★ (573) | Markham | 24/7 | Overall |
| 2 | Wilson Roofing | 94 | 5.0★ (518) | Oshawa, 31 km away | 24/7 | Emergencies |
| 3 | Top Art Roofing Ltd | 92 | 4.9★ (192) | Markham | 24/7 | — |
| 4 | BNS Roofing | 92 | 4.9★ (135) | North York, 13 km away | 24/7 | — |
| 5 | Luso Roofing & Contracting Inc. | North York | Roof Ice Dam Removal | Roof Snow Removal | Roof Leak Repair | 91 | 4.9★ (212) | North York, 25 km away | 24/7 | — |
| 6 | Unique Roofing Limited | 91 | 5.0★ (81) | Richmond Hill, 11 km away | 24/7 | — |
| 7 | Local Roofing Services | 91 | 5.0★ (68) | Scarborough, 7 km away | 24/7 | — |
| 8 | High Skillz Roofing Inc | Emergency Roof Leak Repairs | 91 | 5.0★ (89) | Richmond Hill, 15 km away | 24/7 | — |
| 9 | Tiltop Roofers - Roof Repairs & Replacement | 91 | 4.8★ (224) | Burlington, 21 km away | 24/7 | — |
| 10 | HH renovation & general contracting | 91 | 4.9★ (130) | Ajax, 18 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: 4.9★ from 573 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oshawa, 31 km away
Ranked #2 because of its Google rating and availability: 5.0★ from 518 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Markham
Ranked #3 because of its Google rating and availability: 4.9★ from 192 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North York, 13 km away
Ranked #4 because of its Google rating and availability: 4.9★ from 135 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North York, 25 km away
Ranked #5 because of its Google rating and availability: 4.9★ from 212 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond Hill, 11 km away
Ranked #6 because of its Google rating and availability: 5.0★ from 81 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Scarborough, 7 km away
Ranked #7 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, 15 km away
Ranked #8 because of its Google rating and availability: 5.0★ from 89 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Burlington, 21 km away
Ranked #9 because of its Google rating and availability: 4.8★ from 224 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ajax, 18 km away
Ranked #10 because of its Google rating and availability: 4.9★ from 130 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Scarborough, 9 km away
Ranked #11 because of its Google rating and availability: 4.9★ from 80 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Markham
Ranked #12 because of its Google rating and availability: 4.9★ from 49 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 26 km away
Ranked #13 because of its Google rating and availability: 4.9★ from 143 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 27 km away
Ranked #14 because of its Google rating and availability: 4.9★ from 143 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ajax, 26 km away
Ranked #15 because of its Google rating and availability: 5.0★ from 105 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 24 km away
Ranked #16 because of its Google rating and availability: 4.5★ from 574 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ajax, 20 km away
Ranked #17 because of its Google rating and availability: 4.9★ from 98 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mississauga, 41 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 625 Google reviews, listed on Google as “Roofing contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ajax, 21 km away
Ranked #19 because of its Google rating and availability: 5.0★ from 77 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North York, 23 km away
Ranked #20 because of its Google rating and availability: 4.9★ from 105 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Markham
Ranked #21 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East York, 21 km away
Ranked #22 because of its Google rating and availability: 4.8★ from 124 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 17 km away
Ranked #23 because of its Google rating and availability: 5.0★ from 59 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 14 km away
Ranked #24 because of its Google rating and availability: 5.0★ from 50 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Markham
Ranked #25 because of its Google rating and availability: 4.8★ from 40 Google reviews, open 24/7.
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 753 ranked roofers here; the rest are on their profiles.
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 |
|---|---|---|
| ACCL Wet Basement, Foundation Crack Repair and Waterproofing | 5.0★ (4) | In Markham |
| Genesis Roofing & Contracting | 4.5★ (78) | 20 km |
| Guideline Roofing & Construction | 4.7★ (49) | 28 km |
| Innovative Roofing Systems | 5.0★ (31) | 24 km |
| Khosla Roofing and Masonry | In Markham | |
| KYXRoofing Inc | 1.0★ (1) | In Markham |
| M Roofing | 5.0★ (1) | In Markham |
| Marco's Roofing | 4.8★ (58) | 32 km |
| PINNACLE ROOFING AND CONTRACTING INC. | 5.0★ (1) | In Markham |
| ROOF FOR LIFE INC. | 4.8★ (82) | 40 km |
| Roofing | 1.0★ (2) | In Markham |
| Roofing Panda | 5.0★ (1) | In Markham |
| Shingle Pro Roofing & Construction | 4.9★ (35) | 28 km |
| SuperdryRoofingandMasonry | 4.4★ (21) | In Markham |
| Superstars Roofing | 5.0★ (2) | In Markham |
| The Roof Medic | 5.0★ (156) | 63 km |
| Well Trust Roofing & Landscaping | 5.0★ (2) | In Markham |
| XOA construction | 4.9★ (45) | 33 km |
| Y & Z Markham Roofing | 3.0★ (2) | In Markham |
| York Roofing and Masonry | 3.0★ (2) | In Markham |
US national ranges converted to CAD, not adjusted for Markham. 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 753 Markham 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 Markham 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 |