The Security Industry Authority (SIA) is the organisation responsible for regulating the private security industry in the UK.

Individual Licensing

Apply for a licence

Register of Licence Holders​​​​

Approved Contractor Scheme

Apply for approval

Register of Approved Contractors​​​

Latest Updates

400,000 active SIA licences

We have over 400,000 active licences for the first time ever! That’s more than 350,000 SIA licence holders protecting people, property and premises in every corner of the UK. A salute to all of you for the work you do for public safety.