Dragon's Den star Steven Bartlett is seeking "fledgling entrepreneurs" to take part in a secret BBC show.
The Social Chain co-founder has called on business leaders in the e-commerce world to take part.
Mr Bartlett is working on the project with BBC Studios but has kept quiet on the finer details.
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In a message posted on LinkedIn, the entrepreneur said applications have to be free to be filmed on July 8 between 8am and 5pm in East London.
He added anyone who is interested should e-mail businessg@bbc.co.uk.
Mr Bartlett made his fortune through founding Social Chain in Manchester with his best friend, Dominic McGregor.
He has since gone on to establish a number of other companies as well as invest in a range of businesses across the UK and US.
Mr Bartlett also became a household name when he appeared in the latest series of Dragons' Den.
