McGuinness Tree Service of Nashua, Merrimack, Concord, and Portsmouth, New Hampshire are NH certified arborist and is a family owned and operated tree service company with a reputation for professionalism, superior service and protecting client property on even the most difficult jobs. Our tree services include but are not limited to; Tree Removal, Tree Trimming, Stump Grinding, Free On-site Tree Service Estimate. McGuinness Tree Service is a fully insured company, including worker's compensation. We have 5 convenient locations which help us service the entire Nashua, Concord, Manchester, Portsmouth area along with all of Southern New Hampshire and the Seacoast.