Anya Hindmarch: Designer and businesswoman
Hindmarch designs some of the most sought after bags in the world which has won her accolades and a net worth of £13.2 million ($20 million).
She said: "The advice I would give is, 'be yourself because the other places are taken.' Be original. Cash is king, do not run out of money. Just be brave."
James Dyson: Inventor of the bagless vacuum cleaner
Dyson is the inventor of the bagless vacuum cleaner and now has a net worth of £3.1 billion ($4.8 billion).
His advice is learning from your mistakes: "50% of the decisions you make will be wrong — learn from them."
Ruth Rogers: Chef and co-founder of The River Cafe
Rogers is the chef and co-founder of the massively popular restaurant The River Cafe. She was awarded an MBE from the Queen in 2010.
The restaurant won a Michelin star and over one million River Cafe cookbooks have been sold.
"If you are starting a new business, it's crucial you choose the people you are going to work with, and then treat them well. You are going to be spending a lot of time with them", Rogers advised.
Tinie Tempah: Rapper
Rapper and business mogul Tinie Tempah has a net worth of £3 million ($4.5 million) from best selling albums such as "Disc-Overy."
However, he's also a keen businessman, and ventures have included partnering with high-end drink maker Veuve Clicquot to host champagne and DJ bar touring alfresco events.
His advice is "network from an early age."
Harriet Green: Former Thomas Cook CEO
Green was the former boss of travel giant Thomas Cook and won an OBE award from the Queen in 2010.
She says: "Always surround yourself with people who are better than you. Whatever it is that you are not, surround yourself with them."
Giles Dean: Fitness entrepreneur
Dean started off as a barrister and only started his personal fitness business in his forties. He co-founded 1Rebel with James Balfour. It's a centre that delivers high-intensity group exercise classes on a pay-as-you basis.
He advises: "Make sure you've got a belief that you will sacrifice everything for [the dream], and as soon as you've got that get on with it."
Richard Reed: Co-founder of Innocent drinks
Reed, the co-founder of Innocent, set up the smoothie drinks company with his two best friends from university.
They sold the company to Coca-Cola in 2013 for £320 million ($485 million). Now each of them has a net worth of £50 million ($76 million).
Reed said: "The single most important thing in business is to go out there and give it a go. Get started, and good luck."
