ERS is accredited by UKAS to issue certification under the Nationally Accredited Certification Scheme for Gas Fitting Operatives (ACS) including Domestic Natural Gas, Commercial Natural Gas and Liquefied Petroleum Gas (LPG) and certification under the Nationally Accredited Certification Scheme of Individuals Working Within the Oil Industry (OFTEC.) These qualifications are achievable through our network of approved centres around the UK which offer ERS assessments for individuals wanting to undertake initial, reassessment or extend their range of competence categories.