List of Police forces of the United Kingdom - wikipedia List of Police forces of the United Kingdom Law enforcement in the United Kingdom Law Courts Prisons Topics Agencies police forces defunct Firearms use History Ranks Equipment Aviation Firearms Uniform and equipment Vehicles Types of agency Territorial police forces Special police forces Port police Park police Service police Non-police Other Types of agent Accredited Person Bailiff Civil enforcement officer Civilian Security Officer Special Constable War Reserve Constable Constable Chief Constable Court security officer Customs officer Traffic officer Immigration officer Police Community Support Officer Police Custody and Security Officer Tipstaff Traffic warden Water bailiff Wildlife inspector Concepts Chief police officer Police and crime commissioner Emergency Control Centre Home Office Neighbourhood Policing Teams Police area Police Authority Initial Police Learning and Development Programme Police Cadets Police Federation of England and Wales Police Federation for Northern Ireland Scottish Police Federation Police Information Point Police Oath Police powers in : England and Wales - Scotland Police Support Volunteer Scotland Yard Police 101 number Policing by consent Warrant Card Acts Highway Act 1835 Police Act 1964 Police ( Scotland ) Act 1967 The Functions of Traffic Wardens Order 1970 Misuse of Drugs Act 1971 Police and Criminal Evidence Act 1984 Road Traffic Regulation Act 1984 Removal and Disposal of Vehicles Regulations 1986 Road Traffic Act 1988 Road Traffic Offenders Act 1988 Protection of Children Act 1989 Environmental Protection Act 1990 Police Act 1996 Terrorism Act 2000 Criminal Justice and Police Act 2001 Police Reform Act 2002 Anti-social Behaviour Act 2003 Licensing Act 2003 Railways and Transport Safety Act 2003 Clean Neighbourhoods and Environment Act 2005 Serious Organised Crime and Police Act 2005 Police Reform and Social Responsibility Act 2011 Anti-Social Behaviour, Crime and Policing Act 2014 Policing and Crime Act 2017 Statutory Instruments Police and Criminal Evidence ( Northern Ireland ) Order 1989 Crime Terrorism This is a list of the 45 territorial police forces and 3 special police forces of the United Kingdom. It does not include non-police law enforcement agencies or bodies of constables not constituted as police forces. For a list of all law enforcement agencies in the United Kingdom and its territories, see List of law enforcement agencies in the United Kingdom, Crown dependencies and British Overseas Territories. Map of the 45 territorial police areas in the UK Contents 1 Table 2 See also 3 References 4 External links 5 References Table Force Area responsible for Number of police officers Budget ( millions ) Area size ( km2 ) Formed Legal jurisdiction Type Avon and Somerset Constabulary Non-metropolitan county of Somerset and unitary authorities of Bath and North East Somerset, Bristol, North Somerset and South Gloucestershire 2,630 £ 285.0 4,777 England and Wales Territorial police force Bedfordshire Police Unitary authorities of Bedford, Central Bedfordshire and Luton 1,136 £ 91.2 1,024 1966 England and Wales Territorial police force British Transport Police National Rail network, Docklands Light Railway, Glasgow Subway, London Underground, Midland Metro, Tramlink and the Sunderland line of the Tyne and Wear Metro 3,028 £ 187.7 - 1948 as BTCP On railway land, request from another police force and certain other circumstances, in England, Wales and Scotland only Special police force Cambridgeshire Constabulary Non-metropolitan county of Cambridgeshire and unitary authority of Peterborough 1,332 £ 116.0 3,389 1965 England and Wales Territorial police force Cheshire Constabulary Unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington 2,010 £ 157.4 2,155 1857 England and Wales Territorial police force City of London Police City of London 676 £ 62.9 2.6 1839 England and Wales Territorial police force Civil Nuclear Constabulary Civilian nuclear facilities 1,310 £ 51.0 - 2005 Civilian nuclear facilities ( and up to 5 km of those ), when guarding nuclear material, and when on business relevant to nuclear material Special police force Cleveland Police Unitary authorities of Hartlepool, Middlesbrough, Redcar and Cleveland and Stockton - on - Tees 1,274 £ 119.7 597 England and Wales Territorial police force Cumbria Constabulary Non-metropolitan county of Cumbria 1,108 £ 94.0 6,768 England and Wales Territorial police force Derbyshire Constabulary Non-metropolitan county of Derbyshire and unitary authority of Derby 1,740 £ 151.6 2,625 1967 England and Wales Territorial police force Devon and Cornwall Police Non-metropolitan county of Devon and unitary authorities of Cornwall, the Isles of Scilly, Plymouth and Torbay 2,921 £ 256.8 10,270 1967 England and Wales Territorial police force Dorset Police Non-metropolitan county of Dorset and unitary authorities of Bournemouth and Poole 1,276 £ 107.8 2,653 England and Wales Territorial police force Durham Constabulary Unitary authorities of County Durham and Darlington 1,138 £ 112.3 2,676 1839 England and Wales Territorial police force Dyfed - Powys Police Principal areas of Carmarthenshire, Ceredigion, Pembrokeshire and Powys 1,159 £ 83.6 10,976 1968 England and Wales Territorial police force Essex Police Non-metropolitan county of Essex and unitary authorities of Southend - on - Sea and Thurrock 2,857 £ 242.2 3,670 1969 England and Wales Territorial police force Gloucestershire Constabulary Non-metropolitan county of Gloucestershire 1,055 £ 95.7 3,150 1839 England and Wales Territorial police force Greater Manchester Police Metropolitan county of Greater Manchester 6,237 £ 524.1 1,276 England and Wales Territorial police force Gwent Police Principal areas of Blaenau Gwent, Caerphilly, Monmouthshire, Newport and Torfaen 1,154 £ 110.7 1,555 1967 England and Wales Territorial police force Hampshire Constabulary Non-metropolitan county of Hampshire, unitary authorities of the Isle of Wight, Portsmouth and Southampton 2,861 £ 281.9 4,149 1967 England and Wales Territorial police force Hertfordshire Constabulary Non-metropolitan county of Hertfordshire 1,940 £ 171.4 1,643 1841 England and Wales Territorial police force Humberside Police Unitary authorities of East Riding of Yorkshire, Kingston upon Hull, North East Lincolnshire and North Lincolnshire 1,665 £ 164.9 3,517 England and Wales Territorial police force Kent Police Non-metropolitan county of Kent and unitary authority of Medway 3,255 £ 257.9 3,736 1857 England and Wales Territorial police force Lancashire Constabulary Non-metropolitan county of Lancashire and unitary authorities of Blackburn with Darwen and Blackpool 2,850 £ 252.6 3,075 1839 England and Wales Territorial police force Leicestershire Police Non-metropolitan county of Leicestershire and unitary authorities of the Leicester and Rutland 1,772 £ 154.7 2,538 1967 England and Wales Territorial police force Lincolnshire Police Non-metropolitan county of Lincolnshire 1,099 £ 90.4 5,921 1856 England and Wales Territorial police force Merseyside Police Metropolitan county of Merseyside 3,484 £ 307.3 645 England and Wales Territorial police force Metropolitan Police Service Metropolitan Police District ( London region excluding the City of London ) 30,871 £ 2,532.7 ( £ 2.5 billion ) 1,578 1829 England and Wales ( includes Scotland and Northern Ireland for officers on close protection duties ) Territorial police force Ministry of Defence Police Military establishments 2,594 £ 363.4 - 1971 Military buildings, property & employees, on request by another police force and certain other circumstances Special police force Norfolk Constabulary Non-metropolitan county of Norfolk 1,519 £ 131.3 5,371 1839 England and Wales Territorial police force North Wales Police Principal areas of Anglesey, Conwy, Denbighshire, Flintshire, Gwynedd and Wrexham 1,487 £ 124.8 6,172 England and Wales Territorial police force Northamptonshire Police Non-metropolitan county of Northamptonshire 1,178 £ 110.3 2,364 1966 England and Wales Territorial police force Northumbria Police Metropolitan county of Tyne and Wear and unitary authority of Northumberland 3,245 £ 270.1 5,553 England and Wales Territorial police force North Yorkshire Police Non-metropolitan county of North Yorkshire and unitary authority of York 1,320 £ 127.6 8,310 England and Wales Territorial police force Nottinghamshire Police Non-metropolitan county of Nottinghamshire and unitary authority of Nottingham 1,842 £ 177.6 2,160 1968 England and Wales Territorial police force Police Service of Northern Ireland Northern Ireland 6,621 £ 962.7 13,843 Northern Ireland Territorial police force Police Service of Scotland Scotland 17,170 £ 1,200 ( £ 1.2 billion ) 78,772 2013 Scotland Territorial police force South Wales Police Principal areas of Bridgend, Cardiff, Merthyr Tydfil, Neath Port Talbot, Rhondda Cynon Taf, Swansea and the Vale of Glamorgan 2,890 £ 232.1 2,074 1969 England and Wales Territorial police force South Yorkshire Police Metropolitan county of South Yorkshire 2,472 £ 239.6 1,552 England and Wales Territorial police force Staffordshire Police Non-metropolitan county of Staffordshire and unitary authority of Stoke - on - Trent 1,595 £ 170.9 2,713 1968 England and Wales Territorial police force Suffolk Constabulary Non-metropolitan county of Suffolk 1,096 £ 101.9 3,801 1967 England and Wales Territorial police force Surrey Police Non-metropolitan county of Surrey 2,009 £ 180.6 1,663 1851 England and Wales Territorial police force Sussex Police Non-metropolitan counties of East Sussex and West Sussex and unitary authority of Brighton and Hove 2,550 £ 237.1 3,783 1968 England and Wales Territorial police force Thames Valley Police Non-metropolitan counties of Buckinghamshire and Oxfordshire and unitary authorities of Bracknell Forest, Milton Keynes, Reading, Slough, Wokingham, West Berkshire and Windsor and Maidenhead 4,077 £ 344.4 5,742 1968 England and Wales Territorial police force Warwickshire Police Non-metropolitan county of Warwickshire 823 £ 80.1 1,975 1840 England and Wales Territorial police force West Mercia Police Non-metropolitan county of Worcestershire and unitary authorities of Herefordshire, Shropshire and Telford and Wrekin 2,017 £ 184.3 7,408 1967 England and Wales Territorial police force West Midlands Police Metropolitan county of the West Midlands 6,535 £ 521.8 902 England and Wales Territorial police force West Yorkshire Police Metropolitan county of West Yorkshire 4,826 £ 396.0 2,029 England and Wales Territorial police force Wiltshire Police Unitary authorities of Swindon and Wiltshire 966 £ 108.0 3,485 1839 England and Wales Territorial police force See also List of defunct law enforcement agencies in the United Kingdom Law enforcement in the United Kingdom References Jump up ^ https://www.avonandsomerset-pcc.gov.uk/Document-Library/TERM-TWO/Finance/ASPCC-Council-Tax-Leaflet-Web.FINAL.pdf England and Wales territorial police forces and BTP Number of police officers is measured as Full - Time Equivalent ( FTE ) for 30 September 2017 and is from Budget is valid for 2007 - 8 and is from the Home Office website. Jump up ^ `` WILTSHIRE POLICE AUTHORITY SETS BUDGET FOR 2010 - 11 ''. Wiltshire-pa.gov.uk. 2010 - 02 - 12. Archived from the original on 2011 - 07 - 23. Retrieved 2011 - 07 - 22. Police Scotland Number of police officers is measured as Full - Time Equivalent ( FTE ) for 31 March 2018 and is from Budgets were acquired on a force - by - force basis and are mainly for 2007 - 8. Police Service of Northern Ireland Number of police officers is measured as Full - Time Equivalent ( FTE ) for 1 May 2018 and is from Ministry of Defence Police & Civil Nuclear Constabulary Ministry of Defence Police - Number of police officers is measured as Full - Time Equivalent ( FTE ) for 31 March 2017 and is from Civil Nuclear Constabulary - Number of police officers is from November 2016 External links Police.uk -- Information about crime and policing in England, Wales and Northern Ireland List of UK police forces from Police.uk References Jump up ^ `` Police workforce, England and Wales : 30 September 2017 ''. GOV.UK. Retrieved 2018 - 05 - 25. Jump up ^ Authority, Scottish Police Services. `` Police Scotland Officer Numbers - Police Scotland ''. www.scotland.police.uk. Retrieved 2018 - 05 - 25. Jump up ^ `` Strength of Police Service Statistics ''. www.psni.police.uk. Retrieved 2018 - 05 - 25. Jump up ^ https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/626106/2017-05207.pdf Jump up ^ https://www.whatdotheyknow.com/request/370160/response/905760/attach/2/2016%20199.pdf?cookie_passthrough=1 Law enforcement agencies of the United Kingdom hide Police forces Territorial police forces England Avon and Somerset Bedfordshire Cambridgeshire Cheshire City of London Cleveland Cumbria Derbyshire Devon and Cornwall Dorset Durham Essex Gloucestershire Greater Manchester Hampshire Hertfordshire Humberside Kent Lancashire Leicestershire Lincolnshire Merseyside Metropolitan Norfolk North Yorkshire Northamptonshire Northumbria Nottinghamshire South Yorkshire Staffordshire Suffolk Surrey Sussex Thames Valley Warwickshire West Mercia West Midlands West Yorkshire Wiltshire Wales Dyfed -- Powys Gwent North Wales South Wales Scotland Police Scotland Northern Ireland Police Service of Northern Ireland Regional motorway policing Central Motorway Police Group North West Motorway Police Group Regional counter terrorism South East Counter Terrorism Unit South West Counter Terrorism Unit Metropolitan Police Service Counter Terrorism Command East Counter Terrorism Intelligence Unit East Midlands Counter Terrorism Intelligence Unit West Midlands Counter Terrorism Unit Welsh Extremism and Counter Terrorism Unit North West Counter Terrorism Unit North East Counter Terrorism Unit Police Scotland Organised Crime and Counter Terrorism Unit Police Service of Northern Ireland Crime Operations Department National Counter Terrorism Policing Network Regional organised crime South East Region Organised Crime Unit South West Region Organised Crime Unit Metropolitan Police Service Specialist, Organised and Economic Crime Command Eastern Region Special Operations Unit East Midlands Special Operations Unit West Midland Regional Organised Crime Unit Southern Wales Regional Organised Crime Unit North West Regional Organised Crime Unit North East Region Special Operations Unit Police Scotland Organised Crime and Counter Terrorism Unit Police Service of Northern Ireland Crime Operations Department National Special police forces British Transport Civil Nuclear Ministry of Defence Home Office National Ballistics Intelligence Service National Fraud Intelligence Bureau National Police Air Service National Wildlife Crime Unit Intellectual Property Office Police Intellectual Property Crime Unit NPCC ( formerly ACPO ) National Domestic Extremism and Disorder Intelligence Unit National Counter Terrorism Security Office National Counter Terrorism Policing Headquarters National Counter Terrorism Policing Operations Centre National Vehicle Crime Intelligence Service Counter Terrorism Internet Referral Unit Airports Belfast International British Airports Authority Birmingham Liverpool Manchester Ministry of Civil Aviation Markets City of London ( Billingsgate, Smithfields and Spitalfields ) Birmingham Liverpool Miscellaneous Cambridge University Liverpool Cathedral Mersey Tunnels Oxford University Salisbury Cathedral York Minster Northern Ireland Security Guard Service Canterbury Cathedral Close Constables Chester Cathedral Constables Parks London Barking and Dagenham Brent Epping Forest Greenwich Hammersmith and Fulham Hampstead Heath Haringey Hillingdon Kew Newham Redbridge Royal Borough of Kensington and Chelsea Royal Parks Sutton Wandsworth Non-London Brighton Birmingham Liverpool Ports Belfast Harbour Bute Docks Falmouth Docks Larne Harbour Port of Bristol Port of Dover Port of Felixstowe Port of Liverpool Port of Portland Port of Tilbury Southampton Harbour Tees and Hartlepool Harbour Rivers & canals Lee Conservancy Manchester Ship Canal Marine Police Force ( River Thames ) River Clyde River Tyne Tyne Improvement Commission Service police Royal Air Force Police Royal Marines Police Royal Military Police Royal Navy Police Italics indicate defunct agencies Crown dependencies Guernsey Isle of Man Isle of Man ( airport ) Jersey ( States ) Jersey ( Honorary ) Overseas territories Anguilla Bermuda British Indian Ocean Territory British Virgin Islands Cayman Islands Falkland Islands Gibraltar ( civilian police ) Gibraltar ( defence police ) Montserrat Pitcairn Islands St. Helena Sovereign Base Areas Turks & Caicos Former dependent territories Barbados Hong Kong hide Non-police agencies National Border Force National Crime Agency HM Revenue and Customs Joint Terrorism Analysis Centre UK Visas and Immigration England and Wales Environment Agency Health and Safety Executive Her Majesty 's Prison Service Marine Management Organisation Serious Fraud Office ( SFO ) Vehicle and Operator Services Agency Scotland Health and Safety Executive Marine Scotland Scottish Environment Protection Agency Scottish Prison Service Vehicle and Operator Services Agency Northern Ireland Health and Safety Executive for Northern Ireland Northern Ireland Prison Service Organised Crime Task Force Serious Fraud Office ( SFO ) Lists of 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Cite error : There are < ref group = NI > tags on this page, but the references will not show without a ( ( reflist group = NI ) ) template ( see the help page ). Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_police_forces_of_the_United_Kingdom&oldid=849827780 '' Categories : Law enforcement in the United Kingdom United Kingdom law - related lists Lists of organisations based in the United Kingdom Hidden categories : Pages with reference errors Pages with missing references list Talk Contents About Wikipedia Français Edit links This page was last edited on 11 July 2018, at 16 : 43 ( UTC ). Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: what is the biggest police force in the uk
Answer: Metropolitan Police Service