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Serving Baldwin & area
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This score is based on publicly available data.

How is this calculated?
Score updated: Nov 2026

About GSM Contracting Inc.

AI-generated summary from ProScore data sources

GSM Contracting Inc. is a general contractor based in Baldwin, Ontario, operating weekdays. The business has completed custom home builds on time and on budget, and prepares detailed quotes with line-by-line breakdowns of materials and labour.

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 2 Google reviews

Top Strengths

Exceeded expectations on custom home build with on-time and on-budget delivery
Detailed quote preparation with line-by-line breakdown of materials and labour
Professional and enthusiastic team (Spencer and Jasper) with prompt communication during consultation phase
custom home constructionprofessional servicedetailed quoteson-time deliveryresponsive communication

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 3 reviews
GoogleListing found
Google Business Profile reviews
5.0/5
3 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.

Google Review Breakdown

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

Featured Review

From Google

“

GSM Contracting was an absolute joy to work with from beginning to end. We hired them to build our home addition, which included a two car garage, an open concept living space, and a basement. From the beginning Spencer and Jasper were professional and enthusiastic, responding promptly to all of our questions when were interviewing various contractors. They took the time to put together a VERY detailed quote, listing all materials and labour line by line - a lot of other contractors do not provi

R
Ria Da Costa
Google Review

Other top rated general contractor in Baldwin

Frequently Asked Questions

Is GSM Contracting Inc. licensed?
Licensing status has not been verified for GSM Contracting Inc.. Contact them directly to confirm current credentials before hiring.
Does GSM Contracting Inc. have insurance?
WSIB insurance status is not verified for GSM Contracting Inc.. Request proof of workplace insurance and liability coverage before hiring.
What is GSM Contracting Inc.’s rating?
GSM Contracting Inc. has a ProScore Trust Score of 67/100 (Good), calculated from 1 data source including 3 Google reviews.
Where is GSM Contracting Inc. located?
GSM Contracting Inc. is a general contractor serving Baldwin, Ontario. You can reach them at +1 647-936-2580. View their full profile on ProScore for reviews and credentials.

Business Details

6374 Smith Blvd, Baldwin, ON L0E 1N0
General Contractor

Hours

Monday8a.m.-5p.m.
Tuesday8a.m.-5p.m.
Wednesday8a.m.-5p.m.
Thursday8a.m.-5p.m.
Friday8a.m.-5p.m.
SaturdayClosed
SundayClosed

Services Offered

Home renovationsAdditionsNew constructionProject managementPermit acquisitionDesign-build

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
November 1, 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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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.