Professional and Honest Tree Service, providing Quality work for ALL of Denver Metro At Willco Tree LLC. we are professional arborists offering tree removal and trimming services. Pruning or removing trees, especially large trees, can be dangerous work. Willco Tree is trained and equipped to work safely in trees. We are a locally owned and operated family company, and our goal is to provide excellent tree service for both residential and commercial properties at a price you can afford. Our certified arborists offer tree removal, tree trimming, storm damage repair, and ornamental tree pruning. We are open on weekdays and Saturdays for estimates from 7AM to Noon and offer emergency service.