Certass Limited is the UKAS approved certification body that offers low-cost, common-sense certification for the building fabric trade. They operate a Competent Persons Scheme that comes with the best free benefits in the industry, including free listings and homeowner reviews via their dedicated consumer site www.certifiedcompetent.co.uk.

Dedicated to helping installers to improve competence and promote best practice, Certass have supported the GGP Installer Awards since they were launched in 2019. They are a proud partner and excited to be involved in the only industry event dedicated to celebrating the impressive projects delivered by our talented glazing installer community.