In the light of their Beijing success, our Olympic medal winners could find that their tax affairs come under greater scrutiny, warns Richard Baldwin.

Winning 47 medals at the Beijing Olympics in August was a fantastic achievement for Team GB. For some, winning a medal will open the doors to lucrative sponsorship and endorsement contracts; others may not be so lucky and will have to be content with lower rewards. But one thing is certain for all of our successful athletes: they overlook tax at their peril.