May I reiterate my earlier post that he should be taxed to extinction AAAAAAAAARRRRRRRRRRRRRRRRRRRRRRRRRRRRRRGGGGGGGGHHH
Don't know for definite but he seems like the type of bloke who doesn't go through all the legal loopholes to pay less tax (not as many anyway), remember his companies operate all over the place and to much of the Virgin empire he is nothing more than a figurehead and doesn't earn anything from them directly.