You may find the sites listed below of interest. We provide these links for reference and we cannot be held responsible for the content of external sites.
Arboriculture Association – http://www.trees.org.uk/index.php
NPTC – National Proficiency Tests Council – http://www.nptc.org.uk/
Business Directory – Directory of UK companies and businesses, arranged by category.
TreeSurgery.com – Find a tree surgeon in your area