Also use TheFryGroup and last year paid around £600 or so. Not cheap but depends if you have assets there and associated complications. Find them generally up to speed although they are a pain regarding details of UK landings/take offs etc. No others seem to bother with that.
However, the first couple of grand in earnings is tax free so you should never be in the situation where you pay any tax on your EK income. You'd need to be flying to UK on
EVERY trip to be paying UK tax. I guess in Uplink's case the guy forgot to apply this personal allowance.
Harry