Roofer Professional

GAMMA ROOFING

Richmond Hill, ON

Emergency ServiceWSIB

+1 416-848-5888 Website

1 Credential Verified

72out of 100

Trusted

ProScore

This score reflects 38 Google reviews, ratings from 3 platforms in all, WSIB coverage confirmed.

How is this calculated?

Score updated: Oct 2026

About GAMMA ROOFING

AI-generated summary from ProScore data sources

GAMMA ROOFING operates in Richmond Hill, Ontario as a roofer.

GAMMA ROOFING: ProScore 72, 3rd of 23 scored roofers in Richmond Hill.
38 Google reviews (4.9 stars; median 14) for GAMMA ROOFING, ahead of 19 of 25 roofers.

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

3 sources · 120 reviews

GoogleListing found

Google Business Profile reviews

4.9/5

38 reviews

Review platform BListing found

Independent review platform · name withheld by policy

5.0/5

81 reviews

Review platform CListing found

Independent review platform · name withheld by policy

5.0/5

1 review

Not found on BBB.

ProScore aggregates Google, the BBB and other major review platforms. Some sources are not named publicly.

How sources are weighted: ProScore methodology.

Things to Know

Trusted Level

Scores in ProScore’s Trusted tier — strong, consistent signals across the sources ProScore checks.

Highly Rated

Consistently rated 4.9 stars across 38 Google reviews.

Rated on Multiple Platforms

Independently rated on 3 review platforms — ratings that agree across sources are harder to game.

WSIB Verified

Workplace Safety and Insurance Board coverage confirmed — you're protected.

Google Review Breakdown

38 total

Photos & Work

1 photo

Other top rated roofer in Richmond Hill

Unique Roofing Limited

Richmond Hill

5(81)

High Skillz Roofing Inc | Roof Leak Repair & Ice Dam Removal

Richmond Hill

5(90)

GTA Vertical Roofing INC

Frequently Asked Questions

Is GAMMA ROOFING licensed?

Licensing status has not been verified for GAMMA ROOFING. Contact them directly to confirm current credentials before hiring.

Does GAMMA ROOFING have insurance?

Yes, GAMMA ROOFING has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.

What is GAMMA ROOFING’s rating?

GAMMA ROOFING has a ProScore Trust Score of 72/100 (Trusted), calculated from 3 data sources including 38 Google reviews.

Where is GAMMA ROOFING located?

GAMMA ROOFING is a roofer serving Richmond Hill, Ontario. You can reach them at +1 416-848-5888. View their full profile on ProScore for reviews and credentials.

Business Details

53 Trish Dr, Richmond Hill, ON L4E 5C4

Roofer

View on Google Maps

Hours

Monday8a.m.-11p.m.

Tuesday8a.m.-11p.m.

Wednesday8a.m.-11p.m.

Thursday8a.m.-11p.m.

Friday8a.m.-11p.m.

Saturday9a.m.-11p.m.

Sunday9a.m.-11p.m.

Services Offered

Roof repairRoof replacementShingle installationFlat roofingGutter installationRoof inspection

Emergency Service

Credentials

Insurance

Not Confirmed

Credentials are as reported by contractors and public sources — verify each with the contractor and the issuing authority before hiring.Check it yourself: WSIB clearance

Homeowner Guides

How much does this service cost in Ontario?Red flags when hiring Roofer FAQs in Richmond Hill View all guides →

Data Transparency

Sources: Google, major review platforms, and Ontario regulatory records
Score computed: October 13, 2026

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Checked by ProScore

What is the ProScore?

One score from 0 to 100 across every review platform and public registry ProScore checks. How the ProScore works

≥81

Elite

≥70

Trusted

≥54

Good

≥30

Basic

<30

Caution

—

Not yet rated

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Compare Roofers in Richmond Hill

See how GAMMA ROOFING ranks against other roofers in Richmond Hill on ProScore.

View ranked list of roofers in Richmond Hill →

A ProScore is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date. Before hiring, independently verify all credentials, including licences, insurance (including WSIB) and references, directly with the contractor and the issuing authority. Full data notice. Something wrong? Let us know.