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Great Lakes Contractors logoGreat Lakes Contractors

Niagara-on-the-Lake, ON
Compare with similar general contractor providers in Niagara-on-the-Lake →
Serving Niagara-on-the-Lake & area
ProScore

This score reflects 5 Google reviews.

How is this calculated?
Score updated: Oct 2026

About Great Lakes Contractors

AI-generated summary from ProScore data sources

Great Lakes Contractors is a general contractor based in Niagara-on-the-Lake that handles underground utility installation and site cleanup, operating seven days a week with online estimates and wheelchair-accessible parking.

Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.

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What Customers Say

AI analysis of 3 Google reviews

Top Strengths

Underground utility installation completed on time
Site cleanup after project completion
Technical expertise in utility work

Areas to Watch

Collected deposit and never started job despite 3 months passing
Repeated false promises about start dates
Refused to reimburse deposit after abandoning project
Allowed permit to expire, causing customer financial damages
Persistent communication of excuses rather than honest updates
deposit theftnon-completionpoor communicationpermit issuesutility installation

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 5 reviews
GoogleListing found
Google Business Profile reviews
3.0/5
5 reviews

No rating yet on Review platform C. Not found on 2 other platforms ProScore checks (Review platform B, BBB).

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

How sources are weighted: ProScore methodology.

Google Review Breakdown

5 total
5
2
4
0
3
1
2
0
1
2

Featured Review

From Google

“

Great contractor for underground utility installation. Work done in Time and the crew cleaned the site after finishing their work.

M
Mohammed Al Sarraf
Google Review

Other top rated general contractor in Niagara-on-the-Lake

Frequently Asked Questions

Is Great Lakes Contractors licensed?
Licensing status has not been verified for Great Lakes Contractors. Contact them directly to confirm current credentials before hiring.
Does Great Lakes Contractors have insurance?
WSIB insurance status is not verified for Great Lakes Contractors. Request proof of workplace insurance and liability coverage before hiring.
What is Great Lakes Contractors’s rating?
Great Lakes Contractors has a ProScore Trust Score of 54/100 (Good), calculated from 1 data source including 5 Google reviews.
Where is Great Lakes Contractors located?
Great Lakes Contractors is a general contractor serving Niagara-on-the-Lake, Ontario. You can reach them at +1 416-320-5898. View their full profile on ProScore for reviews and credentials.

Business Details

92 Warner Rd, Niagara-on-the-Lake, ON L0S 1J0
General Contractor

Hours

Every day8a.m.-10p.m.

Services Offered

Home renovationsAdditionsNew constructionProject managementPermit acquisitionDesign-build

Services & Info

Online estimates

Accessibility

Wheelchair-accessible parking lot

Service options

Credentials

Insurance
Not Confirmed
WSIB Coverage
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

Data Transparency

Sources
Google
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

Are you the owner of this business? Dispute this score

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.