Tree Service in Markham
4 tree service pros in Markham with multi-platform trust scores.
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Who is the best tree service pro in Markham, Ontario?
The most trusted tree service pro in Markham, Ontario is BigLeaf Tree Service, with a ProScore of 71/100. ProScore has scored 4 tree service pros in Markham across 10+ data sources and 20+ trust signals. 1 of the 4 are Trusted-tier (70+) or higher.
Trust scores last computed September 19, 2026.
Which tree service pros in Markham score highest?
All 4 scored tree service professionals in Markham, ranked by ProScore.
ProScore scores 4 tree service professionals in Markham, and their average score is 61 out of 100. 1 of them reaches the Trusted threshold of 70 or higher. 1 is registered with WSIB. 4 have Google reviews on file — 132 reviews in total.
BigLeaf Tree Service ranks 1st of the 4 tree service professionals ProScore scores in Markham, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 111 Google reviews averaging 4.8 out of 5. Public records show it is registered with WSIB.
Green King Landscaping and Snow Removal ranks 2nd of the 4 tree service professionals ProScore scores in Markham, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 8 Google reviews averaging 5.0 out of 5 and 1 review on other major review platforms.
A S A P Tree Experts ranks 3rd of the 4 tree service professionals ProScore scores in Markham, holding a ProScore of 63 out of 100 (Good tier). Its score draws on 8 Google reviews averaging 5.0 out of 5.
Clintar Commercial Outdoor Services ranks 4th of the 4 tree service professionals ProScore scores in Markham, holding a ProScore of 42 out of 100 (Basic tier). Its score draws on 5 Google reviews averaging 3.4 out of 5.
Of 4 tree service professionals in Markham: 0 rated Elite (81+), 1 rated Trusted (70+), and 2 rated Good (54+).
How is a tree service pro's ProScore calculated?
Every tree service pro in Markham is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing including ISA 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 tree service pros in Markham?
What else should I check before hiring tree service professionals in Markham?
Frequently Asked Questions
Who is the best tree service pro in Markham?
BigLeaf Tree Service has the highest ProScore (71/100) among 4 tree service professionals in Markham, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing (ISA), WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy tree service pro in Markham?
Look for tree service professionals with verified ISA licensing, active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Markham, 0 tree service professionals hold Elite-tier ProScores (81+), 1 is Trusted-tier (70+), and 2 are Good-tier (54+).
Are tree service professionals in Markham licensed?
Tree Service Professionals in Ontario are required to hold ISA licensing. ProScore verifies this against official ISA records for every provider in our database. Of the top 4 tree service professionals in Markham by ProScore, 0 hold verified ISA credentials and 1 carry active WSIB coverage.
How many tree service professionals has ProScore scored in Markham?
ProScore has scored 4 tree service professionals in Markham, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed September 19, 2026.
What's the ProScore distribution among tree service professionals in Markham?
Among 4 tree service professionals in Markham, Ontario: 0 are Elite-tier (81+), 1 is Trusted-tier (70+), and 2 are Good-tier (54+). The top 4 average a ProScore of 61/100, with BigLeaf Tree Service leading at 71/100.