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List of law enforcement agencies in the United Kingdom, Crown dependencies and British Overseas Territories


This is a list of law enforcement agencies in the United Kingdom, Crown dependencies and British Overseas Territories. There are a number of agencies that participate in law enforcement in the United Kingdom which can be grouped into three general types:

The majority of law enforcement in the United Kingdom is carried out by territorial police forces that police the general public and their activities. The other types of agencies are concerned with policing of more specific matters.

Over the centuries there has been a wide variation in the number of police forces in the United Kingdom, with a large number now no longer in existence.

These bodies operate in more than one country of the United Kingdom. The remit of some of the forces is further limited to the areas that they police, such as railway infrastructure. The Anti-terrorism, Crime and Security Act 2001 gave the British Transport Police and Ministry of Defence Police a limited, conditional authority to act outside of their primary jurisdiction if the situation requires urgent police action and the local force are not readily available, or if they believe that there is risk to life or limb, or where they are assisting the local force.

Additionally, the following three government agencies are defined in legislation as "special police forces". As these forces are responsible to specific areas of infrastructure, they do not answer to the Home Office, but instead to the government department responsible for the area they police. Both the MDP and BTP do voluntarily submit themselves to HMIC inspection:

These organisations are not police forces but do have similar powers to that of the police with the exception that they cannot arrest a person nor make forcible entry without a warrant.

The use of investigatory powers is controlled by the Regulation of Investigatory Powers Act 2000. Up to 792 public authorities have powers that are restricted by RIPA.

County police forces traditionally bore the name "constabulary" upon their formation (as a derivation of "constable"). The reorganisation of police forces over the years has seen this name dropped in favour of "police" as a name, as many have decided that the word "constabulary" is confusing for people more used to searching for the word "police". However, a number of police forces in the areas overseen by the United Kingdom retain the name "constabulary":


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