Don't do it.Contracting is now too risky. The revenue has started to enforce some very agressive interpretations of IR35.Contractors risk being hit with invasive, drawn out investigations and huge retrospective tax bills. Unless you can pass the three key tests of mutuality of obligation, control and substitution, you're stuffed. And no client will genuinely allow you to sub.Contract reviews? Forget it - they are looking at HOW you relate to the end client. Save yourself the bother, the sleepless nights.Disclaimer - this does not constitute legal, employment or tax planning advice.