The company is the largest provider of one-to-one tuition in English primary schools, working with over 6,000 pupils in 500 schools each week.

Schools see accelerated progress and increased confidence in pupils, with a trial last year finding that students using Third Space Learning make on average 7 months progress in 14 weeks.

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.