Osh safely course is a one-day course for people at any level, in any sector, that need grounding in health and safety. IOSH Working Safely covers the essentials of health and safety in the workplace. It is aimed at all workers in all types of organizations. Upon successful completion of the course and assessment, students are awarded a Working Safely certificate from the Institution of Occupational Safety and Health (IOSH), the world’s largest health and safety membership organization. Please note: As of May 2017 Construction Skills Certification Scheme (CSCS) will no longer accept IOSH Working Safely certificates achieved via the online course and e-learning assessment as a route to obtaining the green Laborer card.