PowerMarket is on a mission to tackle climate change by letting everyone access sustainable energy.

Its global solar map uses artificial intelligence and satellite data to let buyers assess whether anything from their roof, car park or farm is suitable for solar power in a few clicks.

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.