Try Geneva Trading in London. I worked with them several years back, but I moved back home after getting sick of the UK (London in particular) lifestyle.
Solid place to spend a few years though - weather isn't too nice though.
I heard they are struggling with a football pitch size trading floor in london that is less that 20% occupied with mediocre traders. They better kill some costs pretty soon or fill up the 80% of empty desks with fee paying monkeys or they'll be downsizing to a more manageable cost base.
I'd...