The comparison site the construction industry has been waiting for, SepcifiedBy is a modern, digital research tool for architects.

It replaces a fragmented and time-consuming offline research process for products and materials in a fast and cheap way.

The firm already has the biggest database of products in the UK.

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.