If you need some extra computing power YellowDog can hook you up with a business who has some spare.

It pays companies for their unused computing capacity and sells it to power-heavy organisations like animators and architects.

Because of this YellowDog is building the world's fastest supercomputer without actually owning any computers, and currently serves over 660 customers in 30 countries.

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.