At ACL Building Services Division we ensure that our engineers are appropriately qualified and skilled to undertake the tasks involved.

Achilles UVDB qualified

Achilles UVDB Registration

Achilles UVDB helps Utility companies manage risk and comply with EU regulations, through a thorough validation of supplier data providing a clear understanding of how suppliers are complying with legislation.

UVDB Audited

Achilles UVDB Audit

As part of the audit process, Achilles qualified assessors validate everything from on-site accident records to ensuring organisations have a valid corporate social responsibility policy. Having undergone an audit also demonstrates to our clients that we are committed to carrying out our contract in an efficient and compliant manner and that we are ready to do a good job on every contract.

Safe Contractor

Safe Contractor Accreditation

The SafeContractor scheme is a SSIP-approved health and safety assessment scheme for contractors who want to demonstrate that they’re taking responsibility for their legal health and safety requirements. 

ISO 9001 Compliant

ISO 9001 certification

ISO 9001 is the international standard that specifies requirements for a quality management system (QMS). Organizations use the standard to demonstrate the ability to consistently provide products and services that meet customer and regulatory requirements.

ISO 14001 certification

ISO 14001 certification

ISO 14001 is the international standard that specifies requirements for an environmental management system (EMS). It helps organizations improve their environmental performance through more efficient use of resources and reduction of waste.

Building & Engineering Services Association

BESA Audit

Members of the BESA are subject to regular third-party inspection and assessment of their technical competence and commercial capability. BESA members must adhere to robust health and safety policies and procedures, and must promote a positive safety culture throughout their organisation.

Building & Engineering Services Association

BESA Membership

Members of the BESA are required to perform according to criteria established by a range of industry recognised specifications and good practice guides. Members of the BESA comply fully with the mandatory health and safety requirements contained in the Construction (Design and Management) Regulations. BESA members must have in place adequate employers’ and public liability and professional indemnity cover.

Gas Safe Contractor

Gas Safe Registration

Gas Safe is the official list of gas businesses who are registered to work safely and legally on boilers, cookers, fires and all other gas appliances. By law all gas engineers must be on the Gas Safe Register.

FGAS certification

FGAS certification

All companies that install, maintain or service stationary refrigeration, air-conditioning and/or heat pump equipment containing or designed to contain F-Gas refrigerants must be certified by law.

Refcom Elite


As a voluntary scheme, Refcom Elite is a set of high professional standards recognised by the Air Conditioning and Refrigeration Industry Board (ACRIB) and the RAC industry, that promotes best practice in refrigerant management. 



OFTEC is licensed by the UK government to provide a ‘competent persons scheme’ for heating technicians. OFTEC registration also demonstrates professional competence to our customers.

ACL Anti-Slavery policy

HR10 Anti-Slavery and Human Trafficking Policy

ACL have a zero-tolerance approach to modern slavery and we are committed to acting ethically and with integrity in all our business dealings and relationships and to implementing and enforcing effective systems and controls to ensure modern slavery is not taking place anywhere in our own business or where
practical in our supply chains. Read our full policy here