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24 companies listed · 5 in Oshawa · 6 open 24/7 · 15 open weekends · 23 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around Oshawa, ON, these 24 companies trim trees. What each states about crews, gear and hours comes from its own website, while ratings and quoted comments come from public reviews.
5 of the 24 companies we list are based in Oshawa; the other 19 serve Oshawa from towns including Whitby (8 km), Bowmanville (13 km) and Ajax (16 km). The companies on this page are rated from 4.4 to 5.0 across 1,839 reviews; 14 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (87%) and punctuality (82%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "efficient". 6 are open around the clock; 15 are open on Saturdays and 11 on Sundays. The services the companies on this page list most often on their websites are tree pruning (4), tree removal (4), gardening (2), landscaping (2) and stump grinding (2). 5 list staff certifications (ISA). Domain records put 6 websites of the companies on this page at ten or more years old; the oldest dates from 2009. 8 offer emergency call-outs; 13 give free estimates; 4 are family- or locally-owned and 1 lists coupons or special offers. 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.
Free estimates are stated by 13 of the 24 companies here. Insist the quote is done at the tree rather than by phone, and ask for the scope in writing, naming the limbs to be cut and the height the crown will be lifted to.
