General Contractor Professional

GF Construction Services Inc

Markham, ON

WSIB

+1 647-825-5650 Website

1 Credential Verified

68out of 100

Good

ProScore

This score reflects WSIB coverage confirmed.

How is this calculated?

Score updated: Oct 2026

About GF Construction Services Inc

AI-generated summary from ProScore data sources

GF Construction Services Inc focuses on general contracting work in Markham, Ontario and the surrounding region.

GF Construction Services Inc: one of 45 general contractors in Markham.

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What Customers Say

AI analysis of 1 Google review

Top Strengths

Meticulous attention to detail with impeccable quality of work

Project completed on time with adept handling of unforeseen challenges

Professionalism and expertise that transforms vision into reality

attention to detailprofessionalismexpertiseon-time completionhome renovation

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 1 review

GoogleListing found

Google Business Profile reviews

5.0/5

1 review

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

WSIB Verified

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

Google Review Breakdown

1 total

Featured Review

From Google

“

As an Interior and Remodeling Designer and Creative director at Comfy Design-Interior & remodeling , I've collaborated with many contractors, but John and GF Construction Services stand out. Their work on our house renovation was a blend of professionalism, skill, and reliability. John's expertise helped shape our vision into reality. The quality of their work is impeccable, with meticulous attention to every detail. They completed the project on time and adeptly handled any unforeseen challenge

Shirin Ghahremani

Google Review

Photos & Work

1 photo

Other top rated general contractor in Markham

YIXIN CONSTRUCTION INC.

Span-Co General Contracting Services LTD.

Markham

5(46)

HOMEWRAP Construction

Markham

5(26)

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Frequently Asked Questions

Is GF Construction Services Inc licensed?

Licensing status has not been verified for GF Construction Services Inc. Contact them directly to confirm current credentials before hiring.

Does GF Construction Services Inc have insurance?

Yes, GF Construction Services Inc has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.

What is GF Construction Services Inc’s rating?

GF Construction Services Inc has a ProScore Trust Score of 68/100 (Good), calculated from 1 data source including 1 Google review.

Where is GF Construction Services Inc located?

GF Construction Services Inc is a general contractor serving Markham, Ontario. You can reach them at +1 647-825-5650. View their full profile on ProScore for reviews and credentials.

Business Details

32 Ambrose Ct, Markham, ON L3P 4N3

General Contractor

View on Google Maps

Hours

Monday7a.m.-5p.m.

Tuesday7a.m.-5p.m.

Wednesday7:30a.m.-5p.m.

Thursday7a.m.-5p.m.

Friday7a.m.-5p.m.

Saturday9a.m.-5p.m.

Sunday7a.m.-5p.m.

Services Offered

Home renovationsAdditionsNew constructionProject managementPermit acquisitionDesign-build

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 General Contractor FAQs in Markham View all guides →

Data Transparency

Sources: Google and Ontario regulatory records
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

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Compare General Contractors in Markham

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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.