In 2014 Lee DeSanges was throwing pizza parties in his garden for friends. By 2018 he had launched his first pizza restaurant at the Custard Factory in Digbeth, Birmingham.
Seeing pollution first hand is what triggered Ariel Booker to start up CanO Water - the infinitely recyclable alternative to single use plastic bottles...
Check out the videos below to hear about their journeys as they offer their advice on what it takes to start a business.
15 Jan 2019 by Video journalist: Louise Brierley for BBC and 17 Dec 2018 by Video journalist: Robert Miller for BBC