Biosite Systems, Solihull
Biosite Systems has more than 200,000 UK construction workers registered on its workforce management systems.
The company's technology, including its biometric fingerprint recognition system, has been used by over 1,000 construction sites in the UK.
Founded in 2010, the firm generated sales of £6.4 million in 2017.
Check out our '101 Birmingham and Midlands’ list for more tech stars from the region.