Actually, the UK may be a better route -- I've understood NetJets has a good deal if not all their employment contracts through their UK branch. And anyone working under UK employment contract, even if residing elsewhere in Europe, can justify UK as their country of JAA license issue.
Whether Netjets do that because the UK CAA is among the more flexible ones as to conversions, I'm not sure, but suspect this has something to do with it.
Just my 2 cts...