Alex Depledge co-founded the online platform Hassle in 2012, a site for booking domestic cleaners, before selling it three years later for £24m.

These days she's an entrepreneur in residence at Index Ventures, and chairs The Coalition for a Digital Economy (Coadec).

She spoke to BBC News about what is holding the UK back when it comes to building technology companies on a grand scale.

This video is part of the Tech Talent series on BBC Business this week.

Follow video journalist Dougal Shaw on Twitter or Facebook.