They do have a big fleet, AI view says.
Gama Aviation's HEMS fleet includes a primary fleet of four Airbus H145 helicopters operating from four bases in Wales, and one reserve helicopter. In total, Gama Aviation operates five H145 helicopters for the Wales Air Ambulance Charity, with the fifth acting as a backup. Additionally, Gama Aviation operates seven AW169 EMS helicopters in the UK. They also have a fleet of four AW139s for energy support in Norwich
plus they have more on order, see
https://www.gamaaviation.com/news/sp...0VIP%20clients.