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

More about the SIA

Approved Contractor Scheme



Apply for approval

Register of Approved Contractors​​​

Latest Updates

Please do not post documents to us!

We closed our office in March, in response to the coronavirus (Covid-19) pandemic. We cannot receive or process any physical documents sent to us.

If we have asked you to send us any documents, please scan or photograph them and then send the images to us through your SIA online account.

Read about how we are responding to the covid-19 pandemic

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Tip of the Week

Declaring Recent Criminality

If you have a conviction, caution or warning within the last 12 months then you must tell us about it.

Read more​​​​​​​​