Moore was advanced to Knight Commander of the Order of the Bath on 11 October 1982 "in recognition of service within the operations in the South Atlantic", and left the Marines in 1983. He became Director General of the Food Manufacturers Federation, but left 18 months later. Later in life, he raised money for research into liver diseases after having a liver transplant. He was Colonel Commandant of the Royal Marines from 1990 to 1993, and joined the parade to commemorate the 25th anniversary of the Falklands War at Horse Guards Parade and the Mall on 17 June 2007.