Gas Safe Register is the official Gas Registration body for the United Kingdom, appointed by the Health and Safety Executive. Gas Safe Register replaced CORGI as the Gas Registration body in the UK on 1 April 2009. By law, all gas engineers must be on the Gas Safe Register. GASK Technical Services Limited are registered to work with domestic and non-domestic gas appliances. Our Gas Safe registration number is 575759. You can verify our registration and learn more about Gas Safe by clicking here.