15. Lewis Hamilton – £ 225 million

Lewis Hamilton, a Formula 1 racing driver, has also been expanding his work interests and accumulated significant wealth through various avenues. 

Hamilton has achieved numerous race wins and Formula 1 World Championships throughout his career, earning him bonuses. 

On top of that, he has secured lucrative endorsement deals and sponsorships with major brands in various industries, including luxury brands, automotive companies, and fashion labels. Hamilton is also a businessman and has his own merchandise line, including clothing and accessories.