Arb Approved Shield

To display the ARB Approved Contractor scheme shield the company must be a fully paid up, accredited, current member of the AA Approved Contractor scheme.

Arboricultural Association

Arboricultural Association Approved Contractor is the only comprehensive accreditation scheme for professional tree surgery businesses in the United Kingdom. The Arboricultural Association is here to support arborists. There mission is to promote trees and the tree care professionals who enable their sustainable management.


CHAS is the UK’s leading provider of compliance and risk management solutions. Our award-winning solutions help contractors (suppliers) and clients (buyers) ensure supply chain compliance, mitigate risks and support efficient supply chain management.


SMAS Worksafe (short for Safety Management Advisory Services) is a nationally recognised Health & Safety accreditation used to demonstrate your business’ Health & Safety standards, giving main contractors confidence when it comes to your competence.

Safe Contractor

To achieve the SafeContractor Approved status, a business must prove that they are a safe and responsible company. This involves ensuring that all paperwork is complaint with current legislation and that processes are in place to ensure health and safety is handled in the best way possible.