Like MJ says, getting the base check done is a piece of cake and is all pretty much organised by the employer

it's the actual training which I need to try and get. I have to say how impressed I am with the effort Flight Safety are showing to try and fix me up, it may not work out with them but I'm very impressed.
AIS run Type ratings in Holland and have responded to let me know they'll be running a course when they get the people. So there's still options that don't involve multiple licence conversions