Workplace safety refers to the legal and practical measures required to protect employees and others from risks to health, safety and welfare arising out of work activities. In UK and Irish legal practice it is a broad, descriptive term rather than a defined statutory expression, but it is underpinned by core legislation such as the Health and Safety at Work etc. Act 1974 (England & Wales and Scotland), the Health and Safety at Work (Northern Ireland) Order 1978, and the Safety, Health and Welfare at Work Act 2005 (Ireland). Workplace safety encompasses employers’ duties to carry out risk assessments, implement safe systems of work, provide information, instruction, training and supervision, maintain safe premises and work equipment, and consult with workers or safety representatives. It is central to regulatory compliance, civil liability (negligence and breach of statutory duty), criminal enforcement, and corporate governance. Across England & Wales, Scotland, Northern Ireland and Ireland, the concept and practical expectations are broadly aligned, though specific statutory regimes, regulators (e.g. HSE, HSENI, Health and Safety Authority) and enforcement procedures differ. Workplace safety issues commonly arise in litigation, regulatory investigations, internal compliance policies and transactional due diligence.