Why NEBOSH? Around a quarter of a million people throughout the world hold a NEBOSH health and safety or environmental qualification. Our qualifications test the knowledge, skills and competence of people in workplaces and also help to assure employers that they have the right personnel in place to prevent ill-health, injury and environmental failures. At NEBOSH we see it as our mission to preserve and improve health, safety and the environment in workplaces worldwide. We do this through a framework of qualifications, rigorous awarding procedures and the promotion of high quality education.