List of intelligence agencies of the United Kingdom

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This is a list of current and former British intelligence agencies.

Currently active[edit]

Agency Description
Domestic intelligence Security Service/MI5[1] Domestic counter terrorism intelligence gathering and analysis.
National Domestic Extremism and Disorder Intelligence Unit (NDEDIU)[2] Domestic counter extremism intelligence gathering and analysis.
National Crime Agency (NCA)[3] Organised crime intelligence gathering and analysis.
National Ballistics Intelligence Service (NBIS)[4] Illegal firearms intelligence analysis.
National Fraud Intelligence Bureau (NFIB)[5] Economic crime intelligence gathering and analysis.
Foreign intelligence Secret Intelligence Service (SIS)/MI6[6] Foreign intelligence gathering and analysis.
Defence Intelligence (DI)[7] Military intelligence analysis.
Signals intelligence Government Communications Headquarters (GCHQ)[8] Signals intelligence gathering and analysis.
Joint intelligence Joint Intelligence Organisation (JIO)[9] Joint intelligence analysis.

Former agencies[edit]

Agency Description
Directorate of Military Intelligence (DMI) Department of the War Office responsible for coordinating military intelligence.
Military Intelligence, Section 1 (MI1) Section of directorate covering code breaking.
Military Intelligence, Section 2 (MI2) Geographic information.
Military Intelligence, Section 3 (MI3) Geographic information.
Military Intelligence, Section 4 (MI4) Maps and aerial photos.
Military Intelligence, Section 7 (MI7) Propaganda.
Military Intelligence, Section 8 (MI8) Signals intelligence.
Military Intelligence, Section 9 (MI9) Resistance aid.
Military Intelligence, Section 10 (MI10) Technical analysis.
Military Intelligence, Section 11 (MI11) Military security.
Military Intelligence, Section 12 (MI12) Censorship.
Military Intelligence, Section 14 (MI14) Germany desk.
Military Intelligence, Section 15 (MI15) Aerial defence.
Military Intelligence, Section 16 (MI16) Scientific intelligence.
Military Intelligence, Section 17 (MI17) Secretariat.
Military Intelligence, Section 19 (MI19) Interrogation.
Naval Intelligence Division (NID)
also known as "Room 39"
Naval intelligence. replaced 1965
Air Ministry Directorate of Intelligence

See also[edit]


  1. ^ "MI5 - The Security Service". Retrieved 2014-03-07. 
  2. ^ "Domestic extremism | MI5 - The Security Service". Retrieved 2014-03-07. 
  3. ^ "National Crime Agency - Intelligence". Retrieved 2014-03-07. 
  4. ^ "NABIS - National Ballistics Intelligence Service". Retrieved 2014-03-07. 
  5. ^ "National Fraud Intelligence Bureau". Retrieved 2014-11-10. 
  6. ^ "Home page – SIS (MI6)". Retrieved 2014-03-07. 
  7. ^ "Defence Intelligence - Detailed guidance - GOV.UK". Retrieved 2014-03-07. 
  8. ^ "GCHQ Home page". Retrieved 2014-03-07. 
  9. ^ "Joint Intelligence Organisation - GOV.UK". Retrieved 2014-03-07.