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Roofer Professional

William's United Roofing logoWilliam's United Roofing

Waterloo, ON
Compare with similar roofer providers in Waterloo →
Emergency ServiceWSIB
+1 519-781-5999 Website(opens in new tab)
1 Credential Verified
ProScore
4.9★ Google|1/4 Sources

This score reflects 68 verified reviews, licensed and verified.

How is this calculated?
Data verified: Jun 2026

About William's United Roofing

AI-generated summary from verified data sources

William's United Roofing provides roofing services to Waterloo and nearby regions. They hold an impressive 4.9★ Google rating from 68 reviews. Their credentials include being WSIB registered.

G
Google
4.9★ (68)
Rated on 1 independent platform
WSIB coverage confirmed

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What Customers Say

AI analysis of 5+ verified Google reviews

Top Strengths

High quality workmanship with attention to detail and thorough work
Very reasonable and competitive pricing for services provided
Efficient and fast completion - finished roof in couple of days working nonstop

Areas to Watch

Contract lacks required warranty details and property damage responsibility clauses
Requests higher than reasonable down payment (20% vs 10-15%)
Can be unprofessional in business dealings and contract practices
reasonable pricinggreat workmanshipefficient servicehighly recommendresponsive

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 of 4 verified
G
Google
4.9/5
B
Review Site B
Not found
B
BBB
Not found
C
Review Site C
Not found
The ProScore Trust Score aggregates ratings from all verified sources, weighted by review volume, recency, and platform credibility.

Things to Know

Trusted Contractor

Meets ProScore verification standards for quality and reliability.

Highly Rated

Consistently rated 4.9 stars across 68+ Google reviews.

WSIB Verified

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

Google Review Breakdown

68 total
5
67
4
0
3
0
2
0
1
1

Featured Review

Verified review from Google

“

We experienced a bad roofing leaking issue after the storm in July this year. through the word of mouth, we contacted William and Susan for help with roofing replacement. From the initial consultation to the final inspection, their attention to detail and quality workmanship were impressive. Highly recommend for any roofing needs!

W
Willy Mclean
Google Review

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61
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Custom Contracting Roofing & Eavestrough Repair Waterloo
55
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4.7(13)
Sapphire Roofing Waterloo
51
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5(1)

Homeowner Guides

How much does this service cost in Ontario?Red flags when hiringRoofer FAQs in WaterlooView all guides →

Frequently Asked Questions

Is William's United Roofing licensed?
Licensing status has not been verified for William's United Roofing. Contact them directly to confirm current credentials before hiring.
Does William's United Roofing have insurance?
Yes, William's United 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 William's United Roofing’s rating?
William's United Roofing has a ProScore Trust Score of 66/100 (Trusted), calculated from 1 verified data source including 68 Google reviews.
Where is William's United Roofing located?
William's United Roofing is a roofer serving Waterloo, Ontario. You can reach them at +1 519-781-5999. View their full profile on ProScore for verified reviews and credentials.

Business Details

385 Red Osier Rd, Waterloo, ON N2V 2W1
Roofer
View on Google Maps

Hours

Friday9a.m.-7p.m.
Monday9a.m.-7p.m.
Saturday9a.m.-7p.m.
SundayClosed
Thursday9a.m.-7p.m.
Tuesday9a.m.-7p.m.
Wednesday9a.m.-7p.m.

Services Offered

Roof repairRoof replacementShingle installationFlat roofingGutter installationRoof inspection

Services & Info

Emergency ServiceOnline estimates

Accessibility

Wheelchair-accessible parking lot

Service options

Credentials

Insurance
Not Confirmed
WSIB Coverage
✓ Confirmed

ProScore displays credential information as reported by contractors and third-party sources. Homeowners are encouraged to independently verify all credentials, licenses, and insurance prior to engaging any contractor.

Data Transparency

SourcesGoogle and Ontario regulatory records
Last updatedJune 2026

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Checked by ProScore

What is the ProScore?

The ProScore aggregates ratings from multiple review platforms into a single score from 0 to 100. Unlike platforms that show only their own reviews, the ProScore gives you the complete picture. Scores are capped for providers with limited source verification.

≥80
Elite
≥65
Trusted
≥50
Good
≥30
Basic
<30
Caution

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