How to complain about your dealings with staff based at the National Counter Terrorism Security Office.
You’ll need to find out if the member of staff works for the Metropolitan Police, or is seconded from a UK police force. If you are unsure, please contact NaCTSO for guidance.
National Counter Terrorism Security Office
PO Box 849
Main switchboard +44 (0)207 931 7142
Enquiries should be addressed to your local CTSA in the first instance. To report suspicious behaviour please use the Anti-Terrorist Hotline. Please note this mailbox is NOT monitored 24 hours a day.
Contact the police force concerned, which you can find from the Police.UK website.
How to complain and what happens next
The organisations have their own complaints procedures and next steps, which are outlined on the websites.