Roofer Professional

Guenther Metal Roofing

Niagara-on-the-Lake, ON

Emergency ServiceResponds to Reviews

+1 289-213-7257 Website

Serving Niagara-on-the-Lake & area

67out of 100

Good

ProScore

This score reflects 59 Google reviews.

How is this calculated?

Score updated: Oct 2026

About Guenther Metal Roofing

AI-generated summary from ProScore data sources

Guenther Metal Roofing is a roofer based in Niagara-on-the-Lake that specializes in metal roof installation and completes projects with strong attention to workmanship and site cleanup. The team is known for showing up on schedule, engaging directly with customers, and delivering results that earn compliments from neighbors. Services are available in English, German, Spanish, and American Sign Language, the business operates six days a week, and wheelchair-accessible parking is available on site.

Guenther Metal Roofing: ProScore 67, 1st of 3 scored roofers in Niagara-on-the-Lake.
59 Google reviews (5.0 stars; median 33) for Guenther Metal Roofing, ahead of 2 of 2 roofers.

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What Customers Say

AI analysis of 9 Google reviews

Top Strengths

Exceptional quality of workmanship - reviews consistently praise the 'remarkable' quality and aesthetic results, with neighbors complimenting the finished roofs

Reliability and punctuality - multiple reviews highlight showing up 'exactly when they said they would' and completing work 'as promised'

Professional crew conduct - described as 'courteous, polite' with attention to cleanup and leaving properties 'neat and tidy', plus strong owner engagement

professionalquality workmanshipmetal roof installationreasonable pricingreliable/punctual

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 59 reviews

GoogleListing found

Google Business Profile reviews

5.0/5

59 reviews

Not found on 3 other platforms ProScore checks (Review platform B, BBB, Review platform C).

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

Highly Rated

Consistently rated 5.0 stars across 59 Google reviews.

What Reviews Highlight

Reviews mention: professional, quality workmanship, metal roof installation.

Google Review Breakdown

59 total

Featured Review

From Google

“

We recently had a metal roof installed, and couldn't be happier with the results! The team was incredibly professional from start to finish. They showed up exactly when they said they would, which is rare these days. The quality of the product is amazing---far beyond what we expected---and it was reasonably priced compared to other companies we looked into.<br>The new roof completely changed the look of our home; its beautiful! We've had so many compliments already. We highly recommend this comp

Diana Morrison

Google Review

Photos & Work

1 photo

Other top rated roofer in Niagara-on-the-Lake

CLASS EH! ROOFING

Niagara-on-the-Lake

4.7(33)

R&R Roofing & Maintenance

Niagara-on-the-Lake

5(2)

Frequently Asked Questions

Is Guenther Metal Roofing licensed?

Licensing status has not been verified for Guenther Metal Roofing. Contact them directly to confirm current credentials before hiring.

Does Guenther Metal Roofing have insurance?

WSIB insurance status is not verified for Guenther Metal Roofing. Request proof of workplace insurance and liability coverage before hiring.

What is Guenther Metal Roofing’s rating?

Guenther Metal Roofing has a ProScore Trust Score of 67/100 (Good), calculated from 1 data source including 59 Google reviews.

Where is Guenther Metal Roofing located?

Guenther Metal Roofing is a roofer serving Niagara-on-the-Lake, Ontario. You can reach them at +1 289-213-7257. View their full profile on ProScore for reviews and credentials.

Business Details

35 Niagara Stone Rd, Niagara-on-the-Lake, ON L0S 1J0

Roofer

View on Google Maps

Hours

Monday8a.m.-5p.m.

Tuesday8a.m.-5p.m.

Wednesday8a.m.-5p.m.

Thursday8a.m.-5p.m.

Friday8a.m.-5p.m.

Saturday8a.m.-12p.m.

SundayClosed

Services Offered

Roof repairRoof replacementShingle installationFlat roofingGutter installationRoof inspection

Services & Info

Emergency ServiceOnsite services

Accessibility

Wheelchair-accessible parking lot

Service options

Language assistance

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 Niagara-on-the-Lake View all guides →

Data Transparency

Sources: Google
Score computed: October 30, 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

—

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Compare Roofers in Niagara-on-the-Lake

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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.