What SIA does
Regulates the private security industry in the UK. Issues licences for security guards, door supervisors, CCTV operators, close protection operatives, and other security roles. Manages Approved Contractor Scheme (ACS) for security companies. Enforces licensing requirements and investigates unlicensed activity.
Licence types: Door Supervision, Security Guard, Close Protection, CCTV, Cash and Valuables in Transit, Key Holding. ACS demonstrates quality standards for security providers.
Contact SIA
- info@sia.gov.uk
- Phone
- 0300 123 9298
Official guidance from SIA
Curated guidance documents to help you understand your obligations.
Apply for an sia licence (opens in a new tab)
Detailed Guidance
SIA: How to get an SIA licence (opens in a new tab)
Detailed Guidance
Security Industry Authority (opens in a new tab)
Detailed Guidance
GOV.UK: About the SIA (opens in a new tab)
Detailed Guidance
GOV.UK: Renew your SIA licence (opens in a new tab)
Detailed Guidance
GOV.UK: SIA enforcement (opens in a new tab)
Detailed Guidance
SIA: How to become an approved contractor (opens in a new tab)
Detailed Guidance
SIA: Learn about the Approved Contractor Scheme (opens in a new tab)
Detailed Guidance
View all 17 guidance documents (opens in a new tab)
Legal framework
Legislation that SIA directly enforces.
Primary legislation
Secondary legislation
Related legislation
Legislation connected to SIA’s remit but not directly enforced — establishing Acts, amendments, referenced legislation, and context.