urm.. Oxford Aviation (Ex GECAT) Crawley way LGW
Alteon (Boeing) flight training Manchester
CAE Burgess hill.
If you need a sim instructor in the past I used IAGO solutions to provide i)An instructor ii)Base training.
That is if you are UK based. I mention these because I have used them, I suspect you are not going to find a 'special' deal on an A320 sim hire.