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ContractorsRanked

Best Roofers in Welland, ON (2026)

407 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Welland: Niagara RoofMasters, CR Score 94/100; 4.8★ from 343 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Buffalo's Best Roofing Company LLC, posts 24/7 hours; ranked #2 of 407.

  3. 20

    Most-reviewed: Gerry's Roofing & Siding Inc, 766 Google reviews at 4.8★, the most of 407 ranked; ranked #20.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

407 Welland roofers are ranked here by CR Score, from 8 published factors. 77 are open 24/7, 232 open Saturdays and 134 open Sundays, based on posted hours. The median Google rating is 4.8★ across 407 rated businesses.

Most of this list also appears on the Roofers in St. Catharines ranking. See Roofers in St. Catharines

Top 10 roofers in Welland at a glance

Top 10 roofers in Welland at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Niagara RoofMasters944.8★ (343)Welland24/7Overall
2Buffalo's Best Roofing Company LLC914.9★ (576)Cheektowaga, 44 km away24/7Emergencies
3AJT Roofing and Contracting914.9★ (190)St. Catharines, 23 km away24/7—
4King Remodeling Corp roofing contractor905.0★ (177)Buffalo, 34 km away24/7—
5OConnor Contracting904.9★ (268)Buffalo, 36 km away24/7—
6ROOF WIZARD INC905.0★ (79)Niagara Falls, 18 km away24/7—
7Buffalo Roofing894.8★ (379)Williamsville, 45 km away24/7—
8Graves Brothers Home Improvement894.7★ (494)Williamsville, 45 km away24/7—
9Green Peaks Roofing895.0★ (161)Hamilton, 44 km away24/7—
10DSS Roofing895.0★ (87)Buffalo, 32 km away24/7—

The 407 best roofers in Welland, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  6. #6 ROOF WIZARD INC

    Based in Niagara Falls, 18 km away

    90/100CR Score

    Ranked #6 because of its Google rating and availability: 5.0★ from 79 Google reviews, open 24/7.

    • 5.0★ from 79 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5935 Prospect St, Niagara Falls, ON L2G 1G9
    View profile for ROOF WIZARD INC(905) 353-5303

  7. #7 Buffalo Roofing

    Based in Williamsville, 45 km away

    89/100CR Score

    Ranked #7 because of its Google rating and availability: 4.8★ from 379 Google reviews, open 24/7.

    • 4.8★ from 379 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5565 Transit Rd, Williamsville, NY 14221
    View profile for Buffalo Roofing(716) 444-7663

  10. #10 DSS Roofing

    Based in Buffalo, 32 km away

    89/100CR Score

    Ranked #10 because of its Google rating and availability: 5.0★ from 87 Google reviews, open 24/7.

    • 5.0★ from 87 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    127 Hiler Ave, Buffalo, NY 14217, United States
    View profile for DSS Roofing(716) 907-7373

  13. #13 JP Construction

    Based in North Tonawanda, 35 km away

    88/100CR Score

    Ranked #13 because of its Google rating and availability: 4.9★ from 80 Google reviews, open 24/7.

    • 4.9★ from 80 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3967 Niagara Falls Blvd, North Tonawanda, NY 14120, United States
    View profile for JP Construction(716) 528-6350

  17. #17 Black Rock Roofing

    Based in Buffalo, 28 km away

    87/100CR Score

    Ranked #17 because of its Google rating and availability: 4.6★ from 123 Google reviews, open 24/7.

    • 4.6★ from 123 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2064 Niagara St, Buffalo, NY 14207, United States
    View profile for Black Rock Roofing(716) 875-5138

  18. #18 Faber Roofing

    Based in Welland

    87/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Roofing contractor”.

    • 4.9★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    41 Linwood Dr, Welland, ON L3C 2B5
    View profile for Faber Roofing(289) 668-9061

  25. #25 Expert Contracting

    Based in West Seneca, 43 km away

    85/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Roofing contractor”.

    • 4.9★ from 173 Google reviews
    Hours
    Mon–Sun 8 AM–7 PM
    Address
    1711 Union Rd Suite 54, West Seneca, NY 14224, United States
    View profile for Expert Contracting(716) 272-7663

Roofers ranked #26 to #28

#1 to #25 are shown in full above. Here are #26 to #28, in CR Score order; each links to its profile. We publish the top 28 of 407 ranked roofers here; the rest are on their profiles.

roofers in Welland, ranks 26 to 28
RankBusinessCR ScoreGoogle ratingDistance
26D'Angelo and Sons | Eavestrough Repair & Roofing Burlington854.7★ (140)59 km
27Erie Home854.7★ (67)45 km
28Lifetime Siding, Roofing and Construction854.9★ (116)36 km

Also serving Welland

2 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.

Unranked roofers serving Welland
BusinessGoogle ratingDistance
Blampin Roof Tops4.8★ (22)22 km
Newfoundland Roofers4.8★ (82)51 km

How much do roofers cost in Welland?

US national ranges converted to CAD, not adjusted for Welland. Each row names its basis and the month we checked it.

How much do roofers cost in Welland?
JobLowTypicalHighBasisChecked
Roof replacementCA$10,540CA$14,050CA$19,680Per 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 repairCA$560CA$1,650CA$2,770Per 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 Welland roofers

We scored 407 Welland 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Welland data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Roofers in Welland: frequently asked questions

Who is the best roofer in Welland?

By CR Score, the highest-ranked roofer in Welland, ON is Niagara RoofMasters with a CR Score of 94/100. It has 4.8★ from 343 Google reviews. It is open 24/7. Buffalo's Best Roofing Company LLC (#2) and AJT Roofing and Contracting (#3) follow. We ranked 407 roofers on 8 factors, last updated October 22, 2026.

How many roofers are there in Welland?

ContractorsRanked ranks 407 roofers serving Welland, ON. 3 of them are based in Welland; the rest serve it from nearby towns. Another 2 within 64 km are listed but not ranked yet. Counts are as of October 2026.

Which roofers in Welland are open 24/7?

77 ranked roofers in Welland post 24/7 hours. The highest-ranked are Niagara RoofMasters (#1), Buffalo's Best Roofing Company LLC (#2) and AJT Roofing and Contracting (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which roofers in Welland work on weekends?

232 of 407 ranked roofers post Saturday hours and 134 post Sunday hours. The highest-ranked open Saturdays are Niagara RoofMasters (#1), Buffalo's Best Roofing Company LLC (#2) and AJT Roofing and Contracting (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does roof replacement cost in Welland?

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 Welland. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Welland roofers have?

The median Google rating among 407 rated roofers in Welland is 4.8★, with a median of 19 reviews. Gerry's Roofing & Siding Inc has the most, 766 reviews, and ranks #20. 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 Welland?

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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Welland

  1. October 2026: CR Scores recalculated for 407 roofers serving Welland.
  2. October 2026: 1 duplicate listing merged.

More roofers and Welland pages

Other trades in Welland