London does not have defence contracts, thats largely out west, Reading way. It does have a fair amount of government IT, but that is more dispersed too (uk.gov

London does not have defence contracts, thats largely out west, Reading way. It does have a fair amount of government IT, but that is more dispersed too (uk.gov is a new exception, but historically things like tax collection were moved out of London back in the 1970s).