SIA – Contact details

by SIA Site Admin // January 9

Before contacting us you might find it useful to have a look at our frequently asked questions page on this site, as you may find the information you need there.

If you have a query, question or complaint then you can write, fax, telephone or e-mail us at:

Security Industry Authority PO Box 9 Newcastle Upon Tyne NE82 6YX

Our lines are open from 08.00 to 18.00 Monday to Friday.


08702 430 100



08702 430 125



We will acknowledge your correspondence within 1 working day and endeavour to respond to all queries and complaints within 10 working days of receipt.