CHAS TRAINING REQUIREMENTS Are you ready? CHAS (The Contractors Health and Safety Assessment Scheme) was created by health and safety professionals to improve health and safety standards across the UK. I n line with legislation, their aim is: · To simplify health and safety contractor assessment by standardising requirements. · To allow companies to avoid undergoing health and safety assessments for every job. · To provide assurance and reassurance. There are more than 900 public and private sector client organisations and 70,000 contractors registered on the CHAS database. So what training requirements are needed to become accredited? The size, nature and business scope of organisations ...