
For over 16 years, Infologue.com has compiled an annual list of the UK's Top Security companies by revenue. This data is based on figures from the companies themselves or annual filings for the previous year. Only revenue drawn from the UK regulated security sector is taken into account.
In 2020, the UK Security Industry, like every other industry in the world was dominated by Covid-19. The movement in rankings appears to correlate with those businesses...