What Does an Arborist Do?
Arborists — often called tree surgeons — are specialists in the cultivation, management, and study of individual trees, shrubs, and woody plants. Their work spans tree climbing and aerial pruning, hazard assessment, planting and establishment, stump removal, and consulting on planning applications involving trees. It is physically demanding, technically skilled work that carries significant safety responsibilities.
If you are considering a career in arboriculture, understanding the qualification landscape early will help you make smart choices about where to invest your time and money.
Entry Routes into Arboriculture
There is no single mandatory entry route, but most arborists enter the industry through one of the following paths:
- Apprenticeship: The Arboriculture apprenticeship (Level 3) combines paid on-the-job training with off-site qualification delivery. It is one of the most practical and cost-effective entry routes.
- College course: Full-time or part-time Level 2 and Level 3 qualifications in arboriculture are offered by land-based colleges. These typically involve practical climbing and assessment components.
- Short course stacking: Some people build their skills incrementally through individual NPTC/City & Guilds certificates in climbing, aerial rescue, and chainsaw use, then formalise these with a portfolio-based NVQ.
Core Qualifications for Arborists
| Qualification | Level | What It Covers |
|---|---|---|
| Level 2 Award in Arboriculture | Level 2 | Ground-based operations, tool use, basic tree biology |
| Level 3 Diploma in Arboriculture | Level 3 | Climbing, aerial rescue, pruning, risk assessment |
| CS30/CS31 Chainsaw Certificates | Competency | Safe chainsaw operation for ground and tree work |
| CS38 (Chainsaw from Rope & Harness) | Competency | Chainsaw use during aerial tree work |
| AA/ISA Climbing Assessment | Industry | Practical climbing proficiency recognised by employers |
The Role of the Arboricultural Association
The Arboricultural Association (AA) is the primary professional body for arborists in the UK. Key AA qualifications and schemes include:
- AA Technician Membership: For those with practical experience and recognised qualifications.
- AA Consultants Register: For qualified arboricultural consultants who advise on planning, surveys, and tree reports.
- Approved Contractor Scheme: A company-level accreditation that many local authorities and clients look for when commissioning tree work.
Climbing Skills: The Heart of Arborist Training
Practical climbing competency is central to most arborist roles. Training covers:
- Setting up anchor systems and working lines safely.
- Ascending and descending techniques using both traditional and SRT (Single Rope Technique) methods.
- Performing aerial rescue — a mandatory skill for anyone working at height in trees.
- Rigging and controlled dismantling of trees in confined spaces.
Aerial rescue training is non-negotiable. Employers and insurers expect all climbing arborists to be capable of performing an emergency rescue at height, and this is assessed formally in most Level 3 programmes.
Building Toward Senior Roles
After establishing core competencies, experienced arborists can move into tree surveying, consultancy, or management roles. A relevant degree — such as a BSc in Arboriculture and Urban Forestry — opens doors to local authority tree officer positions, consultancy firms, and research. Continuing professional development (CPD) through the AA or the ICF is expected at senior levels.