We've all had those Eureka moments, when the penny drops and suddenly you have a brilliant idea. Successful entrepreneurs are no different, except that their ‘Aha’ moments become the key milestones in their business journeys, as these guys were keen to tell me…

Any start-up or small business will tell you cash flow is critical when you’re first starting out. Indeed any business, whether it’s growing or battling difficult markets, needs to stay on top of it, as getting it wrong could quickly prove fatal.

They are the qualities shared by all successful entrepreneurs; skill, vision, determination, and when it comes to making tough decisions, balls. What has tested the mettle of these exceptional business leaders? Here they reveal their bravest business decisions…

I am very, very sad to hear the dreadful news of Lady Thatcher’s passing. I think it is a devastating loss for us all; she is a British icon. I would like to pass my condolences to her family at this very sad time.

Entrepreneurs are creative, resourceful individuals, with the vision and drive to make things happen. But goals are rarely achieved in isolation, and even the most successful business makers have taken inspiration from others along the way, which they are happy to share with us…

Were you born to become an entrepreneur and start your own business? And is 'entrepreneurial spirit' something certain people just have an instinct for it, or can it be developed? We thought we would ask two self-made millionaires who started out from very different situations, what their views are and what finally motivated their decision to take the plunge.

In years to come will I be recalling the details to my grandchildren of the day I sat a few feet away from the Prime Minister, as he mapped out 'once and for all' the future relationship between the UK and the rest of Europe? Only time will tell on that one.

One thing has stood out to me in running fast-growth technology and business-to-business PR firms for nearly 30 years. It is the continuous claim from the entrepreneurs I meet that when trying to build a team they ‘just can’t find the right people.’

Global Entrepreneurship Week gets underway 12-18 November, so we thought in the run up we would ask a few leading entrepreneurs what is the one piece of advice they wish they had been given when they first started out in business. Here is what they said...

After last week's rubbish from the opposition it was nice to see some common sense from the Conservative Conference in Birmingham. The reality of the situation is that currently the economy is out of balance; the sums just don't add up and there are too many people acting in a passive way when it comes to the part they play in the economy.