General Contractors in Markham
42 general contractors in Markham with multi-platform trust scores.
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Who is the best general contractor in Markham, Ontario?
The most trusted general contractor in Markham, Ontario is YIXIN CONSTRUCTION INC., with a ProScore of 77/100. ProScore has scored 42 general contractors in Markham across 10+ data sources and 20+ trust signals. 13 of the 42 are Trusted-tier (70+) or higher.
Trust scores last computed between September 2, 2026 and September 19, 2026.
Which general contractors in Markham score highest?
Top 30 of 42 scored general contractors in Markham, ranked by ProScore.
ProScore scores 42 general contractors in Markham, and their average score is 62 out of 100. 13 of them reach the Trusted threshold of 70 or higher. 9 are registered with WSIB and 2 are registered with HCRA. 42 have Google reviews on file — 1,025 reviews in total, and 2 carry a Better Business Bureau rating.
YIXIN CONSTRUCTION INC. ranks 1st of the 42 general contractors ProScore scores in Markham, holding a ProScore of 77 out of 100 (Trusted tier). Its score draws on 54 Google reviews averaging 4.9 out of 5 and 24 reviews on other major review platforms. Public records show it is registered with WSIB.
Span-Co General Contracting Services LTD. ranks 2nd of the 42 general contractors ProScore scores in Markham, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 46 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
X&H Construction ranks 3rd of the 42 general contractors ProScore scores in Markham, holding a ProScore of 74 out of 100 (Trusted tier). Its score draws on 55 Google reviews averaging 4.9 out of 5.
Yok Mei Construction Corp. - General Contractors Markham ranks 4th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 73 out of 100 (Trusted tier). Its score draws on 43 Google reviews averaging 5.0 out of 5.
JY Construction | Commercial Renovation Company in Toronto ranks 5th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 27 Google reviews averaging 4.7 out of 5. Public records show it is registered with HCRA.
Reimagine Renovations ranks 6th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 43 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
Torino Construction - Custom Home Builders Toronto ranks 7th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 26 Google reviews averaging 5.0 out of 5.
Sundisc Reno Contracting ranks 8th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 49 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.
V-CAN Construction Inc. ranks 9th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 17 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
CKG - Design & Build ranks 10th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 130 Google reviews averaging 4.9 out of 5.
Desa Contracting and Restoration ranks 11th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 68 Google reviews averaging 4.9 out of 5. Its ProScore has risen since the previous recompute.
Nova Decor Construction Ltd ranks 12th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 23 Google reviews averaging 4.5 out of 5. Public records show it is registered with WSIB.
Sanza Homes ranks 13th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 14 Google reviews averaging 5.0 out of 5 and 40 reviews on other major review platforms. Public records show it is registered with WSIB.
𝑷&𝑶 𝑮𝒆𝒏𝒆𝒓𝒂𝒍 𝑪𝒐𝒏𝒔𝒕𝒓𝒖𝒄𝒕𝒊𝒐𝒏 𝑰𝒏𝒄 ranks 14th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 69 out of 100 (Good tier). Its score draws on 96 Google reviews averaging 4.9 out of 5.
Apex & Co Inc. ranks 15th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 15 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.
Dome Services Group ranks 16th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 6 Google reviews averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
AVINCAS Renovation licensed contracting ranks 17th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 13 Google reviews averaging 4.7 out of 5. Its ProScore has risen since the previous recompute.
KP Construction - Custom Builds and Renovation ranks 18th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 4 Google reviews averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
Omega Construction ranks 19th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 46 Google reviews averaging 4.6 out of 5.
Canadian Constructor Creations Inc. ranks 20th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 64 Google reviews averaging 5.0 out of 5.
Deck Builder Markham ranks 21st of the 42 general contractors ProScore scores in Markham, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 12 Google reviews averaging 5.0 out of 5.
Elite Renovators load bearing wall removal ranks 22nd of the 42 general contractors ProScore scores in Markham, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 23 Google reviews averaging 4.4 out of 5.
Northern Building Contractors ranks 23rd of the 42 general contractors ProScore scores in Markham, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 14 Google reviews averaging 4.7 out of 5.
GENEO Contracting Inc. ranks 24th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 9 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
GRAND TERRA DEVELOPMENTS ranks 25th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 11 Google reviews averaging 5.0 out of 5.
Comm-Struction Inc ranks 26th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 63 out of 100 (Good tier). Its score draws on 2 Google reviews averaging 5.0 out of 5.
Katana Renovations ranks 27th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 62 out of 100 (Good tier). Its score draws on 5 Google reviews averaging 5.0 out of 5.
Agc Pro Construction ranks 28th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 60 out of 100 (Good tier). Its score draws on 53 Google reviews averaging 5.0 out of 5.
GF Construction Services Inc ranks 29th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 60 out of 100 (Good tier). Its score draws on 1 Google review averaging 5.0 out of 5. Public records show it is registered with WSIB.
Let's Renovate ranks 30th of the 42 general contractors ProScore scores in Markham, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 8 Google reviews averaging 5.0 out of 5.
Of 42 general contractors in Markham: 0 rated Elite (81+), 13 rated Trusted (70+), and 20 rated Good (54+).
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 including HCRA 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 →Who are the top 3 general contractors in Markham?
What else should I check before hiring general contractors in Markham?
Frequently Asked Questions
Who is the best general contractor in Markham?
YIXIN CONSTRUCTION INC. has the highest ProScore (77/100) among 42 general contractors in Markham, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing (HCRA), WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy general contractor in Markham?
Look for general contractors with verified HCRA licensing, active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Markham, 0 general contractors hold Elite-tier ProScores (81+), 13 are Trusted-tier (70+), and 20 are Good-tier (54+).
Are general contractors in Markham licensed?
General Contractors in Ontario are required to hold HCRA licensing. ProScore verifies this against official HCRA records for every provider in our database. Of the top 30 general contractors in Markham by ProScore, 0 hold verified HCRA credentials and 8 carry active WSIB coverage.
How many general contractors has ProScore scored in Markham?
ProScore has scored 42 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 September 2, 2026 and September 19, 2026.
What's the ProScore distribution among general contractors in Markham?
Among 42 general contractors in Markham, Ontario: 0 are Elite-tier (81+), 13 are Trusted-tier (70+), and 20 are Good-tier (54+). The top 30 average a ProScore of 68/100, with YIXIN CONSTRUCTION INC. leading at 77/100.