St John Ambulance is a UK-based charity dedicated to saving lives through first aid training and frontline medical support. It provides first aid education to individuals, schools, and workplaces, helping people gain the skills and confidence to respond in emergencies. Its volunteers also deliver vital medical services at public events and in communities, and support the NHS during times of high demand. With a history spanning over a century, St John Ambulance plays a key role in improving public health, safety, and resilience across the UK.