Yellow page listings often provide enough information to select several arborists to call. Membership in such an organization demonstrates a willingness on the part of an arborist to stay informed regarding the latest techniques and information. The International Society of Arboriculture certifies through a voluntary written exam that arborists have a demonstrated level of competency. In addition, arborists must agree to continuing education to maintain their certification. Arborists provide a variety of services including pruning, removal, emergency tree care, and plant health care.
Arborists often provide quotes for specific work free of charge.
However, at times you may just want assistance from an arborist in making a decision about what needs to be done. A reputable arborist will have personal and property damage insurance as well as worker compensation insurance. Be sure to check with the insurance companies to make sure that these policies are current if you have doubts. Don't hesitate to check references or visit work sites where your arborist is working or has worked in the past. Most arborists will provide written estimates and have their clients sign a contract before beginning work.