Arborist Certification in the UK?

Question

Do arborists need licensing or certification to work their trade in the UK?

Answer 1

The UK and Ireland website of ISA is the place to go if you need professional advice and services in tree-related problems and diagnosis,  if you are interested in a career as an arborist or to consult an excellent section of on-line information leaflets. Among other items the website has: List of certified Arborists. Links. Arborist certification.  Certification workshops. Professional affiliations, etc.

A clip from Wiki yielded this:

An arborist (or tree surgeon) is a professional in the practice of arboriculture, the management and maintenance of trees.  And Certified Arborist / Utility Specialists work on trees near power lines.