According to todays FT one in every 4 of the UK based hedge fund employees have moved to Switzerland recently for tax reasons.

Lock up your doors.....

I would post the link but you have to be an FT subscriber

Actually you do not need to subscribe, all you need to do is to register. Registration (free) gives you minimal access (a scant ten article every 30 days) but does allow you to read the odd article that interests you.

The article referred to above is Hedge fund shift costs UK £500m.

Briefer version in Daily Telegraph: Treasury 'will lose hundreds of millions of pounds' in tax as hedge funds move abroad.