I seem to recall a Channel 4 documentary last year which showed how George "We're all in it together" Osborne keeps his family's wealth offshore to avoid paying UK tax on it.
The Dispatches programme is no longer available to view (at least, I couldn't find it now) but there is a petition if anyone wants to sign it.
http://www.38degrees.org.uk/page/s/o...taxes#petition
(Have you noticed how he always smirks when he says his catchphrase?)