Tree Service in Thornhill
2 tree service pros in Thornhill with multi-platform trust scores.
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Who is the best tree service pro in Thornhill, Ontario?
The highest-scoring tree service pros in Thornhill on ProScore are Cohen & Master Tree & Shrub Services (80/100) and Harmony Tree Service (76/100). ProScore has scored 2 tree service pros in Thornhill across 10+ data sources and 20+ trust signals. 2 of the 2 are Trusted-tier (70+) or higher.
Trust scores last computed October 13, 2026.
Which tree service pros in Thornhill score highest?
All 2 scored tree service professionals in Thornhill, ranked by ProScore.
ProScore scores 2 tree service professionals in Thornhill, and their average score is 78 out of 100. 2 of them reach the Trusted threshold of 70 or higher. 2 have Google reviews on file — 414 reviews in total, and 2 carry a Better Business Bureau rating.
Cohen & Master Tree & Shrub Services operates in Thornhill by appointment, handling tree and shrub work on site during weekday hours.
Cohen & Master Tree & Shrub Services ranks 1st of the 2 tree service professionals ProScore scores in Thornhill, holding a ProScore of 80 out of 100 (Trusted tier). Its score draws on 383 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
Harmony Tree Service is a tree service contractor based in Thornhill, Ontario, operating six days a week.
Harmony Tree Service ranks 2nd of the 2 tree service professionals ProScore scores in Thornhill, holding a ProScore of 76 out of 100 (Trusted tier). Its score draws on 31 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
How is a tree service pro's ProScore calculated?
Every tree service pro in Thornhill 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 →Who are the top 3 tree service pros in Thornhill?
Browse all tree service professionals in Thornhill →What else should I check before hiring tree service professionals in Thornhill?
Frequently Asked Questions
Who is the best tree service pro in Thornhill?
Cohen & Master Tree & Shrub Services has the highest ProScore (80/100) among 2 tree service pros in Thornhill, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing where it applies, WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy tree service pro in Thornhill?
Look for tree service professionals with verified active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Thornhill, 0 tree service professionals hold Elite-tier ProScores (81+), 2 are Trusted-tier (70+), and 0 are Good-tier (54+).
Are tree service professionals in Thornhill licensed?
Ontario does not require a licence to run a tree service. ISA arborist certification is voluntary, so treat it as a plus rather than a baseline, and ask about WSIB coverage and liability insurance before anyone climbs.
How many tree service professionals has ProScore scored in Thornhill?
ProScore has scored 2 tree service professionals in Thornhill, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed October 13, 2026.
What's the ProScore distribution among tree service professionals in Thornhill?
Among 2 tree service professionals in Thornhill, Ontario: 0 are Elite-tier (81+), 2 are Trusted-tier (70+), and 0 are Good-tier (54+). Together they average a ProScore of 78/100, with Cohen & Master Tree & Shrub Services leading at 80/100.
Tree Service near Thornhill
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in Thornhill
Other trades with a ProScore page in Thornhill, with the number of scored pros in each.