HES quality accreditations

Gas Safe Register

By law all gas businesses must be on the Gas Safe Register, the only official gas registration body in the UK.

Oil Firing Technical Association

OFTEC, established in 1991, is a leading trade organisation in the UK and Ireland. OFTEC registration ensures competent work, compliance with regulations, and industry best practices.

Microgeneration Certification Scheme (MCS)

The Microgeneration Certification Scheme (MCS) authorises us to provide expert advice and install and commission renewable energy services for our customers.

TrustMark Government Endorsed Quality Scheme

TrustMark is a not-for-profit social enterprise and the only Government Endorsed Quality Scheme in the UK covering home improvements in or around the home. The whole ethos of TrustMark is its passion for quality, continual improvement, best practices, excellent customer service and protection.