Most people know how stressful buying a house can be – so Trussle is using tech to disrupt the mortgage world.

The firm tracks thousands of products and continuously monitors mortgages using an algorithm which automatically notifies borrowers when to switch to a more suitable deal. 

Launched by Ishaan Malhi in 2015, it just closed a £4.5m funding round.

See more of our 101 tech start-up disrupters 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.