The British Standards Institute (BSI) is the National Standards Body of the UK. We’re proud to certify to ISO 9001 – the world’s most recognised quality management standard and hold 12 Kitemark certifications for meeting exceptional quality and safety standards. See also Everest Quality Policy.

Made in Britain are passionate about UK manufacturers and British-made brands so champion authentic British goods to help skills, crafts and innovation thrive. We're proud to be members of 'Made in Britain', which shows our continued commitment to British manufacturing & design.

Secured by Design is a UK police initiative promoting products that help reduce the risk and fear of crime. It's the only form of Police approval for products in the UK and to achieve Secured by Design status, our products had to adhere to the organisation’s rigorous test standards.

The Fenestration Self Assessment Scheme (FENSA) is the largest and longest established scheme for installers that is trusted by Local Authorities, industry and Government. As a registered firm, you can be confident Everest installations are fully compliant with Building Regulations.

The Glass and Glazing Federation (GGF) is a trade association representing companies who make, supply or fit, glass and glass related products. As a founding member, Everest abide by the GGF code of Conduct, which includes good health and safety practices, insurance and customer care.

The BFRC is the UK's national system for rating energy efficient windows and doors. The WER (Window Energy Rating) scheme is used to measure energy efficiency levels from A++ to E. Our uPVC casement windows are rated A+ while our triple glazing achieves an A++ rating.

TrustMark is the only Government endorsed scheme for trades in and around the home. This accreditation gives customers reassurance of quality and protection from rogue traders and as a registered firm you can be confident that Everest are raising industry standards.

The Chartered Trading Standards Institute (CTSI) represents trading standards professionals working in the UK and overseas. It exists to promote and protect the success of a modern vibrant economy and safeguard the health, safety and well being of citizens.