In 1984, Jake Shafran started Jato Dynamics, which provides a host of information on the automotive sector such as pricing and specifications of new models through a huge database. It made £7.7m profit on £56m sales in 2013.
Activity: Automotive research
Latest turnover: £56m
Five-year rise in turnover: 65%
No. of employees: 553
Five-year rise in employment: 94%