6. Leicester City (United Kingdom)
Leicester City pulled a surprise when they won the Premier League last season and are competing in the quarter-final of the Champions League this season.
Thai billionaire Vichai Srivaddhanaprabha has contributed a key part in the team’s success, after becoming the main shareholder of the club in 2011, where they were still competing in the Football League Championship.
With silverware in the bag and a spot in Europe this season, Srivaddhanaprabha is sitting as one of English football’s most successful owners.