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

SIA Licensing

We are responsible for the compulsory licensing of individuals working in specific sectors of the private security industry.

Learn more about SIA licensing

Search our register of licence holders

Information for companies

Information for licence applicants

Information for licence holders

Approved Contractor Scheme

We manage the voluntary Approved Contractor Scheme, which measures private security suppliers against independently assessed criteria.

Learn more about about the scheme

Apply for approval

Use the Online Achievement Record

Search our register of approved contractors