Best Tree Service Professionals in Markham, Ontario
The most trusted tree service pro in Markham, Ontario is BigLeaf Tree Service, with a ProScore of 71/100.
The most trusted tree service pro in Markham, Ontario is BigLeaf Tree Service, with a ProScore of 71/100. ProScore has verified 4 tree service pros in Markham, scoring each across 10+ data sources and 20+ trust signals. 1 of the 4 are Trusted-tier (70+) or higher.
Last updated: May 6, 2026 · Data refreshed daily
Of 4 tree service professionals in Markham: 0 rated Elite (82+), 1 rated Trusted (70+), and 2 rated Good (55+).
How ProScore Ranks Tree Service Professionals
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 →Top Rated 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 verified 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 (82+), 1 is Trusted-tier (70+), and 2 are Good-tier (55+).
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 verified tree service professionals are in Markham?
ProScore has verified and scored 4 tree service professionals in Markham, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Data is refreshed daily.
What's the ProScore distribution among tree service professionals in Markham?
Among 4 verified tree service professionals in Markham, Ontario: 0 are Elite-tier (82+), 1 is Trusted-tier (70+), and 2 are Good-tier (55+). The top 4 average a ProScore of 61/100, with BigLeaf Tree Service leading at 71/100.