The International Society of Arboriculture- The International Society of Arboriculture (ISA) is the worlds biggest group of professional arborists with over 20,000 members distributed throughout 38 “Chapters” across the 5 continents.
Royal Forestry Society- The RFS is one of the largest woodland educational charities in the UK. Founded in 1882, the RFS promotes the wise management of trees and woodlands so that they can be better protected, improved and expanded.
The Forestry Commission- Forestry Commission England and Forestry Commission Scotland report directly to their appropriate Minister, providing advice on policy and implementing that policy within the relevant country.
The Tree register- The Tree Register is the Tree Register of the British Isles, also known as the Tree Register of Britain and Ireland and often referred to by its acronym TROBI
The Ancient Tree Forum - Advocacy for greater protection and best conservation practice, specialist research and increasing people's enjoyment of ancient trees.
The Tree Council- The Tree Council is the UK's lead charity for trees, promoting their importance in a changing environment.
Department for Environment Food and Rural Affairs- The UK government department responsible for policy and regulations on environmental, food and rural issues. Our priorities are to grow the rural economy, improve the environment and safeguard animal and plant health.