Number of active SIA licence holders 2024, by age group
In 2024, there were 432,282 active Security Industry Authority (SIA) licence holders in the United Kingdom, of which 111,191 were in their 20s, the most common age group of licence holders in this year. The SIA is the regulatory body responsible for the private security sector in the UK. Security Guards, CCTV operators, and Door Supervisors, among several other jobs require workers to be hold an SIA licence.