As part of its charitable work, the order founded three separate charities in the nineteenth century.

The other two were the St John Ambulance Association (1877) and the St John Ambulance Brigade (1887) providing, respectively, first aid and nursing training, and first aid and nursing work by trained volunteers.

[1] St John Ambulance Cymru provides paid first aid cover at events, free to patients at the point of delivery.

It uses trained volunteer first aiders as well as paramedics, doctors, nurses, and other registered healthcare professionals, aided by mobile treatment centres, ambulances and other medical provisions.

[7] In the UK, St John Ambulance it is recognised by the Health and Safety Executive to provide first aid training in accordance with the Health and Safety (First Aid) Regulations 1981.