Different Types of Trees No residential or professional job is too large, or too small for Actually sometimes just taking out one single tree can be a complex and costly project. We can remove trees such as palm trees, oak trees, maple trees and gum trees. Different trees have different structures and root systems below ground can be complicated, which is why it is most important to employ an experienced Newcastle Arborist like Assurance Trees, as we understand that every job will call for different skills to thoroughly remove every tree successfully.