APD Communications, Hull
Hull-based APD Communications provides software for emergency services, with 69 per cent of the UK’s police force currently using software.
Cortex, the company’s Integrated Communication Control System, connects operations with callers and integrates radio, CCTV and telephony.
Founded in 1984, the company’s technologies enable emergency services’ control rooms to communicate more efficiently in 999 situations.
Check out our '101 Yorkshire and Humberside’ list for more tech stars from the region.