Best Arborists & Tree Services near Grimsby, ON
1 of these companies is based in Grimsby; the others serve Grimsby from towns including Stoney Creek (16 km), Smithville (11 km) and St. Catharines (26 km).
2 open 24/7 · 10 open weekends · all 15 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
Devos Tree Care
Fraser Tree Care: Hamilton
Arborwood Tree Service Inc.
Safe Tree Ltd.
McFarlan Tree Care Inc.
Listed for homeowners in and around Grimsby, ON, these 15 companies do arborist work. Qualifications, the reports they prepare and their hours are as published on each website, with ratings and quoted comments taken from public reviews.

Area overview: Grimsby, ON
The 15 companies on this page are rated from 4.8 to 5.0 across 1,552 reviews; 7 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (98%), quality (86%) and value (79%). The topics that come up most in reviews of the companies on this page are "efficient", "estimates" and "cleanliness". 2 are open around the clock; 10 are open on Saturdays and 5 on Sundays. 1 shows a licence on its website and 3 list staff certifications (ISA). 2 have ten or more years of experience, the longest 30 years. 3 offer emergency call-outs; 5 give free estimates and 3 are family- or locally-owned. We have a website on file for 13 of the companies on this page; 11 publish a contact page and 8 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do listed arborists charge for an opinion?
A free visit is advertised by 5 of the 15 listings. A no-charge visit prices work, which is useful in itself. An assessment, a diagnosis or a written report is billable professional time, and paying for it is what makes the opinion independent.