2. Lord Bilimoria and Charlie Mullins

Peter meets Lord Karan Bilimoria, boss of the Cobra beer company, and Charlie Mullins, who runs London-based Pimlico Plumbers. They talk honestly about the bad times as well as the good times in building their fortunes.

3. Michael Acton Smith and Laura Tenison

Peter meets Michael Acton Smith of Mind Candy, the web-based entertainment company that spawned Moshi Monsters; and Laura Tenison of JoJo Maman Bébé, which is also after the parent pound for clothing and other products.

4. John & James Timpson and Judy Naake

Peter meets John Timpson and his son James, who oversee the high street shops best known for shoe repairs and key cutting, and Judy Naake, who turned the tanning lotion St Tropez into a multi-million pound franchise.