If you have information relating to immediate threats to the UK,
such as terrorism, please pass this immediately to the Security Service.
If your information relates to an imminent threat to life or
property, please contact the police on 999 or the
police Anti-Terrorist Hotline on 0800 789 321.
Note: Please do not use this 'contact us' form
to submit careers enquiries as we are unable to respond to
careers enquiries submitted via this route. If you are
interested in applying for a career in SIS please visit our careers pages.
Members of the public who wish to contact SIS with a general
enquiry may do so via PO Box 1300, London SE1
If you have information that you think will be of interest to
Please visit our contact us form