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  • To report an imminent threat call 999 or ring the Anti-Terrorist Hotline on 0800 789 321
  • Current national threat level: SUBSTANTIAL
  • Find out more

Contact Form

Please do not use this form to submit queries about the recruitment process or your application for a job at MI5. Please contact the Recruitment Office on 0845 450 2152 or [email protected] who will be able to help you.

Enter your message (1,800 characters max) in the box below and then click "Send". If you would like a reply, make sure you also provide your email address All messages will be read, though we cannot promise to respond to all of them.

To knowingly provide false or malicious information to the authorities is a serious offence which if proven can result in a prosecution or imprisonment.

Please enter all of the information you have about the threat, which may include:

  • Names
  • Places
  • Dates
  • How you obtained the information

Please also include any other details you believe would help us in addressing the threat.

*Please tick this box to confirm that the information you have provided is true to the best of your knowledge.
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Fact or Fiction

All MI5 officers are based in London
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