Skip to main content
Menu
Find a Contractor
Resources
For Pros
Leave a ReviewVerify Your Profile
Roofer Professional

William's United Roofing logoWilliam's United Roofing

Waterloo, ON
Compare with similar roofer providers in Waterloo →
Emergency ServiceWSIB
1 Credential Verified
ProScore

This score reflects 68 Google reviews, WSIB coverage confirmed.

How is this calculated?
Score updated: Oct 2026

About William's United Roofing

AI-generated summary from ProScore data sources

William's United Roofing is a roofer based in Waterloo, Ontario. Customers report reliable workmanship with close attention to detail, competitive pricing, and quick project turnaround. The business offers online estimates, has wheelchair-accessible parking, and operates six days a week.

  • William's United Roofing: ProScore 73, 1st of 9 scored roofers in Waterloo.
  • 68 Google reviews (4.9 stars; median 6) for William's United Roofing, ahead of 8 of 8 roofers.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.WSIB coverage confirmed

Is this your business?

Verify your profile to confirm your business, earn your Verified badge, and unlock your dashboard and growth tools.

What Customers Say

AI analysis of 10 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 source · 68 reviews
GoogleListing found
Google Business Profile reviews
4.9/5
68 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

Trusted Level

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

Highly Rated

Consistently rated 4.9 stars across 68 Google reviews.

WSIB Verified

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

What Reviews Highlight

Reviews mention: reasonable pricing, great workmanship, efficient service.

Google Review Breakdown

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

Featured 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

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 73/100 (Trusted), calculated from 1 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 reviews and credentials.

Business Details

385 Red Osier Rd, Waterloo, ON N2V 2W1
Roofer

Hours

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

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

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

Data Transparency

Sources
Google and Ontario regulatory records
Score computed
October 13, 2026

Is this your business?

Claim your profile to update info, add photos, and respond to reviews

Claim This Listing
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

Are you the owner of this business? Dispute this score

Compare Roofers in Waterloo

See how William's United Roofing ranks against other roofers in Waterloo on ProScore.

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.