Tom Beahon, the co-founder of Castore, explains how he and his brother Phil built a sportswear brand in North West England that is taking on Nike and Adidas. The story begins with Beahon failing to make it as a professional football with his beloved Tranmere Rovers.

Castore is now worth nearly £1 billion and makes kits for the England cricket team, Newcastle United and other high-profile teams and athletes. But the journey for this British success story has taken twists and turns…