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Knowles Tree Service says it was established in 1985 and takes on tree removal, pruning and stump grinding in New Hampshire. It holds 4.9 stars from 96 Google ratings and an A+ grade from the Better Business Bureau. A recent Greenland customer said Knowles took down 22 trees on their property while saving healthy hardwoods for shade and privacy, and that the crew showed up on time and cleaned up the debris. A recent customer with a dead ash in a difficult spot said it was down, limbed, chipped and cleaned up in about an hour, with a crane brought along. After a storm drove a tree into the side of a house, a recent customer said Donnie and crew responded within an hour, cleared trees so electrical work could go ahead, and came back a few days later to remove the damaged trees. A recent customer who had 11 huge pines taken down said the crew took care with the placement of the crane and the truck treads. A customer who has used Knowles at least once a year for almost ten years calls them a first call for tree removal and mentions the fair price. In a 2023 review, a Hampton-area customer said Donny, the owner, came out on at least three occasions before work began to examine the trees. A 2024 customer said Knowles brought in a crane to take down an eighty-five-foot bull pine in their Greenland front yard. A 2024 customer said the company did not show up when scheduled twice, and that a log the crew left behind was still there a week after they paid. A recent r/newhampshire commenter said they spent $6k to have nine trees taken down by a six-man crew with a chipper and crane, and recommended Knowles.
“Spent $6k a couple years ago to take down 9 trees, including a couple dead cherry and three very large ash. No grinding, but I wish I had done it back then. Had a 6 man crew, chipper, crane, the whole works. Knowles tree service, do recommend.”
“Knowles tree service, not sure if they go that far”
“Ive sewn knowles dismantle 2 MASSIVE trees in really shitty spots without ever letting the wood touch anything but the road to buck it up and chip it.”
“Knowles Tree Service out of Portsmouth always does great work.”
“Knowles Tree Service in N. Hampton.”
“PORTSMOUTH — The Department of Public Works and Knowles Tree Service will be working Nov. 8-10 to remove and trim trees at Hall Cemetery off South Street.”
Professional but friendly. Great crew. Everything done just right.
Absolutely outstanding! Knowles took down 22 trees on our property in Greenland, saving a lot of healthy hardwoods for shade & privacy. The crew showed up exactly on time, worked nonstop throughout the day, and cleaned up all the debris perfectly. Highly recommend!
The crew showed up right on time 1st thing in the morning! This, after a cancellation occurred from another project making us a replacement job. Shows how adept and skilled they are. Three brief hours and four trees ( one monster) gone and turned to pine chips. Entire trees fed right into the chipper directly… no middleman!! Couple of hours later , stumps were ground allowing us to retake the real estate adding A much needed driveway and patio !! All Thanks To the Knowles Team!! Tara and Kayla were phenomenal getting us in as the cancellation occurred! Sure it’s a rare occurrence that a cancellation can turn into an opportunity so quickly and effectively! Much appreciated! Ed Miller, Portsmouth
The men were there when promised. They answered my questions and did a great j job removing the fallen tree, and promptly.
A challenging tree removal that was done with surgical precision, large equipment that was maneuvered carefully with no damage to property and a complete and tidy clean-up when the job was finished. Very satisfied.
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1 change recorded — last scanned Oct 18, 2026.