Billed as ‘Airbnb for cars’, HiyaCar’s QuickStart technology lets you access your rental car without having to collect keys from the owner.

It lets car hirers open the car with their phone as soon as their booking starts and can revoke access at any time, adding reassurance for owners.

See more of our 101 tech start-up disrupters here. For more trend-setting businesses and their Tech 1sts, head here.

And check out our 101 rising stars of tech - the exciting firms which did not make the main list but have the potential to grow.