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General Contractors in Markham

43 general contractors in Markham with multi-platform trust scores.

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Who is the best general contractor in Markham, Ontario?

The highest-scoring general contractors in Markham on ProScore are YIXIN CONSTRUCTION INC. (91/100), X&H Construction (88/100) and Span-Co General Contracting Services LTD. (86/100). ProScore has scored 43 general contractors in Markham across 10+ data sources and 20+ trust signals. 30 of the 43 are Trusted-tier (70+) or higher.

Star ratings alone do not separate them: 39 of the 43 average 4.5 stars or higher on Google, but only 30 reach Trusted (70+). ProScore also weighs government licensing where it applies, WSIB coverage, ratings on other platforms and what customers say in their reviews.

Trust scores last computed between October 13, 2026 and November 4, 2026.

Which general contractors in Markham score highest?

Top 30 of 43 scored general contractors in Markham, ranked by ProScore.

ProScore scores 43 general contractors in Markham, and their average score is 72 out of 100. 30 of them reach the Trusted threshold of 70 or higher. 11 are registered with WSIB and 3 are registered with HCRA. 43 have Google reviews on file โ€” 1,092 reviews in total, and 2 carry a Better Business Bureau rating. Across Ontario, 52% of the general contractors ProScore has scored reach the Trusted threshold; at 70%, Markham is above the provincial rate.

1
91
Markham|โ˜…4.9
WSIB Verified60 reviews

The team communicates clearly throughout projects, using software sketches and site walkthroughs to visualize design decisions. Services are available in English, Mandarin, Cantonese, and American Sign Language.

YIXIN CONSTRUCTION INC. ranks 1st of the 43 general contractors ProScore scores in Markham, holding a ProScore of 91 out of 100 (Elite tier). Its score draws on 60 Google reviews averaging 4.9 out of 5 and 24 reviews on other major review platforms. Public records show it is registered with WSIB.

2
88
Markham|โ˜…4.9
55 reviews

X&H Construction, a general contractor based in Markham, operates on site and offers online estimates, with hours six days a week.

X&H Construction ranks 2nd of the 43 general contractors ProScore scores in Markham, holding a ProScore of 88 out of 100 (Elite tier). Its score draws on 55 Google reviews averaging 4.9 out of 5.

3
86
Markham|โ˜…5.0
WSIB Verified46 reviews

Span-Co General Contracting Services LTD. is a general contractor based in Markham that operates weekdays and offers wheelchair-accessible parking, with recent work demonstrating transparent pricing and delivery ahead of schedule and under budget.

Span-Co General Contracting Services LTD. ranks 3rd of the 43 general contractors ProScore scores in Markham, holding a ProScore of 86 out of 100 (Elite tier). Its score draws on 46 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.

4
84
Markham|โ˜…5.0
WSIB Verified26 reviews

Homewrap Construction is a Markham-based design-build general contractor serving Toronto and the GTA. Recent work includes a 6,000 sq. ft. Bridle Path custom home and a 5,000 sq. ft. Mount Pleasant renovation. Call 416-749-0999 to discuss your project.

The ProScore for HOMEWRAP Construction draws on 26 Google reviews averaging 5.0 out of 5. Public records show HOMEWRAP Construction is registered with WSIB and registered with HCRA.

5
83
Markham|โ˜…4.9
68 reviews

Desa Contracting and Restoration responds to water damage and fire emergencies the same day, staffed by a professional team that manages restoration, mold remediation, and biohazard cleanup around the clock from their Markham base.

The ProScore for Desa Contracting and Restoration draws on 68 Google reviews averaging 4.9 out of 5.

6
83
Markham|โ˜…5.0
WSIB Verified14 reviews

The ProScore for Sanza Homes draws on 14 Google reviews averaging 5.0 out of 5 and 40 reviews on other major review platforms. Public records show Sanza Homes is registered with WSIB.

7
82
Markham|โ˜…5.0
WSIB Verified43 reviews

Reimagine Renovations is a general contractor based in Markham, Ontario, operating six days a week and available for short-notice jobs.

The ProScore for Reimagine Renovations draws on 43 Google reviews averaging 5.0 out of 5. Public records show Reimagine Renovations is registered with WSIB.

8
81
Markham|โ˜…4.7
27 reviews

The ProScore for JY Construction | Commercial Renovation Company in Toronto draws on 27 Google reviews averaging 4.7 out of 5. Public records show JY Construction | Commercial Renovation Company in Toronto is registered with HCRA.

9
81
Markham|โ˜…4.9
96 reviews

General contractor based in Markham, operating six days a week and focused on detailed finishing work and timely project completion.

The ProScore for ๐‘ท&๐‘ถ ๐‘ฎ๐’†๐’๐’†๐’“๐’‚๐’ ๐‘ช๐’๐’๐’”๐’•๐’“๐’–๐’„๐’•๐’Š๐’๐’ ๐‘ฐ๐’๐’„ draws on 96 Google reviews averaging 4.9 out of 5.

10
81
Markham|โ˜…5.0
WSIB Verified17 reviews

V-CAN Construction Inc. is a general contractor based in Markham, Ontario, operating seven days a week with wheelchair-accessible parking.

The ProScore for V-CAN Construction Inc. draws on 17 Google reviews averaging 5.0 out of 5. Public records show V-CAN Construction Inc. is registered with WSIB.

11
80
Markham|โ˜…5.0
15 reviews

The business operates weekdays and offers wheelchair-accessible parking.

The ProScore for Apex & Co Inc. draws on 15 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.

12
80
Markham|โ˜…5.0
WSIB Verified25+ years3 reviews

Comm-Struction Inc is a general contractor based in Markham operating 24/7 and available for on-site work. Recent jobs have included hydrovac and directional drilling projects.

Comm-Struction Inc reports 25 years in business. The ProScore for Comm-Struction Inc draws on 3 Google reviews averaging 5.0 out of 5. Public records show Comm-Struction Inc is registered with WSIB.

13
79
Markham|โ˜…5.0
6 reviews

Dome Services Group is a general contractor based in Markham that offers on-site estimates and operates six days a week. Services are available in Arabic, Cantonese, English, French, Mandarin, Portuguese, Russian, and Ukrainian, and the business has wheelchair-accessible parking and washroom facilities.

The ProScore for Dome Services Group draws on 6 Google reviews averaging 5.0 out of 5.

14
79
Markham|โ˜…4.5
WSIB Verified23 reviews

Nova Decor Construction Ltd is a general contractor based in Markham, Ontario, operating seven days a week and offering on-site work with free, wheelchair-accessible parking available.

The ProScore for Nova Decor Construction Ltd draws on 23 Google reviews averaging 4.5 out of 5. Public records show Nova Decor Construction Ltd is registered with WSIB.

15
79
Markham|โ˜…5.0
49 reviews

Sundisc Reno Contracting is a general contractor in Markham operating seven days a week, offering online estimates and on-site work. Recent projects have included salon buildouts, flooring, and fencing.

The ProScore for Sundisc Reno Contracting draws on 49 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.

16
79
Markham|โ˜…5.0
26 reviews

Torino Construction - Custom Home Builders Toronto is a general contractor based in Markham that builds custom homes on site, with wheelchair-accessible entrance, washroom, and parking available.

The ProScore for Torino Construction - Custom Home Builders Toronto draws on 26 Google reviews averaging 5.0 out of 5.

17
78
Markham|โ˜…5.0
64 reviews

The ProScore for Canadian Constructor Creations Inc. draws on 64 Google reviews averaging 5.0 out of 5.

18
78
Markham|โ˜…5.0
12 reviews

Deck Builder Markham constructs custom decking, pergolas, and rooftop decks in Markham and offers online estimates, with service available seven days a week.

The ProScore for Deck Builder Markham draws on 12 Google reviews averaging 5.0 out of 5.

19
78
Markham|โ˜…4.7
63 reviews

Omega Construction is a general contractor based in Markham, Ontario, operating weekdays. The business handles construction projects with attention to build quality and material selection, including windows, and maintains wheelchair-accessible parking at its location.

The ProScore for Omega Construction draws on 63 Google reviews averaging 4.7 out of 5.

20
77
Markham|โ˜…4.7
13 reviews

The business works on site, provides online estimates, and operates six days a week (closed Sundays) from a location with wheelchair-accessible parking. Recent work has included detailed finishing, reliable scheduling, and proactive problem-solving without additional costs for corrections.

The ProScore for AVINCAS Renovation licensed contracting draws on 13 Google reviews averaging 4.7 out of 5.

21
76
Markham|โ˜…4.9
130 reviews

The ProScore for CKG - Design & Build draws on 130 Google reviews averaging 4.9 out of 5.

22
76
Markham|โ˜…4.4
23 reviews

Elite Renovators load bearing wall removal offers load bearing wall removal and general contracting in Markham, providing thorough on-site structural assessments before quoting, honest advice including recommendations to proceed with do-it-yourself work when suitable, and clean, efficient project execution.

The ProScore for Elite Renovators load bearing wall removal draws on 23 Google reviews averaging 4.4 out of 5.

23
76
Markham|โ˜…4.7
14 reviews

Northern Building Contractors is a general contractor based in Markham that operates during weekdays and has wheelchair-accessible parking on site.

The ProScore for Northern Building Contractors draws on 14 Google reviews averaging 4.7 out of 5.

24
74
Markham|โ˜…5.0
53 reviews

Agc Pro Construction is a general contractor based in Markham offering on-site work and online estimates in English.

The ProScore for Agc Pro Construction draws on 53 Google reviews averaging 5.0 out of 5.

25
74
Markham|โ˜…5.0
WSIB Verified9 reviews

GENEO Contracting Inc. operates as a general contractor based in Markham, available for on-site work six days a week and open to estimates in English.

The ProScore for GENEO Contracting Inc. draws on 9 Google reviews averaging 5.0 out of 5. Public records show GENEO Contracting Inc. is registered with WSIB.

26
74
Markham|โ˜…4.9
60 reviews

Yok Mei Construction Corp. is a general contractor in Markham offering services in English and American Sign Language, with on-site free and wheelchair-accessible parking and a wheelchair-accessible washroom. The business operates seven days a week.

The ProScore for Yok Mei Construction Corp. - General Contractors Markham draws on 60 Google reviews averaging 4.9 out of 5.

27
73
Markham|โ˜…5.0
4 reviews

KP Construction - Custom Builds and Renovation is a general contractor based in Markham that handles custom builds and renovations, operates six days a week, and offers wheelchair-accessible parking.

The ProScore for KP Construction - Custom Builds and Renovation draws on 4 Google reviews averaging 5.0 out of 5.

28
72
Markham|โ˜…5.0
5 reviews

Katana Renovations handles diverse renovation work including flooring, railings, custom builds, and period renovations in Markham, Ontario.

The ProScore for Katana Renovations draws on 5 Google reviews averaging 5.0 out of 5.

29
71
Markham|โ˜…5.0
11 reviews

The ProScore for GRAND TERRA DEVELOPMENTS draws on 11 Google reviews averaging 5.0 out of 5.

30
70
Markham|โ˜…5.0
8 reviews

The ProScore for Let's Renovate draws on 8 Google reviews averaging 5.0 out of 5.

How is a general contractor's ProScore calculated?

Every general contractor in Markham is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing where it applies and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.

Read the full methodology โ†’

Frequently Asked Questions

Who is the best general contractor in Markham?

YIXIN CONSTRUCTION INC. has the highest ProScore (91/100) among 43 general contractors in Markham, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing, including HCRA new-home builder registration where it applies, WSIB coverage, and AI-analyzed customer sentiment.

How do I find a trustworthy general contractor in Markham?

Look for general contractors with verified active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Markham, 10 general contractors hold Elite-tier ProScores (81+), 20 are Trusted-tier (70+), and 5 are Good-tier (54+).

Are general contractors in Markham licensed?

Ontario has no provincial licence for renovation contractors. The HCRA licenses builders of new homes, and a renovation of an existing home typically does not call for an HCRA licence. If you are building a new home, the builder does need one; check it in the HCRAโ€™s Ontario Builder Directory. Some cities license renovation businesses, so check with yours. The regulated work inside the job needs its own licences: an ESA-licensed electrical contractor for wiring, a TSSA-registered contractor for gas, and a certified plumber for plumbing. Ask who does each part and check their numbers. Of the top 30 general contractors in Markham by ProScore, 9 are registered with WSIB according to ProScoreโ€™s records.

How many general contractors has ProScore scored in Markham?

ProScore has scored 43 general contractors in Markham, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between October 13, 2026 and November 4, 2026.

What's the ProScore distribution among general contractors in Markham?

Among 43 general contractors in Markham, Ontario: 10 are Elite-tier (81+), 20 are Trusted-tier (70+), and 5 are Good-tier (54+). The top 30 listed here average a ProScore of 79/100, with YIXIN CONSTRUCTION INC. leading at 91/100.

How do general contractors in Markham compare with Ontario as a whole?

70% of the general contractors ProScore has scored in Markham reach the Trusted tier (70+), against 52% across Ontario as a whole, so Markham is above the provincial rate.