IOSH is Europe's leading body for health and safety professionals, with nearly 33,000 members worldwide, including 13,000 Chartered Safety and Health Practitioners.

The Institution was founded in 1945 and is an independent, not-for-profit organisation that sets professional standards, supports and develops members and provides authoritative advice and guidance on health and safety issues. IOSH is formally recognised by the ILO as an international non-governmental organisation.