Never lose an umbrella again with Kisha’s fashionable smart umbrellas.

A world-first pairing your phone to your brolly via Bluetooth technology, the app warns you of bad weather and alerts you if you leave the umbrella in a place you haven’t marked as ‘safe’.

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.