35. CAE

Key points

Revenue: £103.9m (+9%)

Net profit: 1.7%

Staff: 242

This Cisco Gold partner joined the £100m-revenue club in its year ending 30 June 2018 on the back of nine per cent annual growth. Two thirds of its £103.9m sales are generated by networking, with CAE highlighting Microsoft and Palo Alto Networks among its growth vendors. Net profits dipped by £300,000 to £1.8m. The Watford-based firm, which underwent an MBO in November 2018, recently celebrated turning 25 by treating all staff to a weekend break in Monaco.