List of intelligence agencies of the United Kingdom
|Domestic intelligence||Security Service/MI5||Domestic counter terrorism intelligence gathering and analysis.|
|National Domestic Extremism and Disorder Intelligence Unit (NDEDIU)||Domestic counter extremism intelligence gathering and analysis.|
|National Crime Agency (NCA)||Organised crime intelligence gathering and analysis.|
|National Ballistics Intelligence Service (NBIS)||Illegal firearms intelligence analysis.|
|National Fraud Intelligence Bureau (NFIB)||Economic crime intelligence gathering and analysis.|
|Foreign intelligence||Secret Intelligence Service (SIS)/MI6||Foreign intelligence gathering and analysis.|
|Defence Intelligence (DI)||Military intelligence analysis.|
|Signals intelligence||Government Communications Headquarters (GCHQ)||Signals intelligence gathering and analysis.|
|Joint intelligence||Joint Intelligence Organisation (JIO)||Joint intelligence analysis.|
The Directorate of Military Intelligence was part of the War Office from the 19th century until absorbed by Defence Intelligence in the Ministry of Defence in 1964. Its sections were numbered and often referred to as "M.I. number". The names MI5 and MI6 retain wide currency, although the bodies are no longer within the Ministry of Defence.
- List of intelligence agencies global list sorted by country
- "MI5 - The Security Service". mi5.gov.uk. Retrieved 2014-03-07.
- "Domestic extremism | MI5 - The Security Service". mi5.gov.uk. Retrieved 2014-03-07.
- "National Crime Agency - Intelligence". nationalcrimeagency.gov.uk. Retrieved 2014-03-07.
- "NABIS - National Ballistics Intelligence Service". nabis.police.uk. Retrieved 2014-03-07.
- "National Fraud Intelligence Bureau". www.cityoflondon.police.uk. Retrieved 2014-11-10.
- "Home page – SIS (MI6)". sis.gov.uk. Retrieved 2014-03-07.
- "Defence Intelligence - Detailed guidance - GOV.UK". gov.uk. Retrieved 2014-03-07.
- "GCHQ Home page". GCHQ.gov.uk. Retrieved 2014-03-07.
- "Joint Intelligence Organisation - GOV.UK". gov.uk. Retrieved 2014-03-07.