Home Office: Police Website  

Association of Police Authorities  

National voice of all police authorities in England, Wales and Northern Ireland, working with the Home Office and the Association of Chief Police Officers (ACPO) to set policing policy and improve policing on behalf of communities.

British Transport Police  

National police force for the railways, providing a policing service to rail operators, their staff and passengers throughout England, Scotland and Wales.

HM Inspectorate of Constabulary (HMIC)  

Independently assesses police forces and policing activity ranging from neighbourhood teams, serious crime and the fight against terrorism – in the public interest.

Independent Police Complaints Commission (England and Wales) (IPCC)  

Providing the systems and procedure for all public complaints against the police in England & Wales.

National Police Service of Ireland  

National police service of the Republic of Ireland, the "Garda".

Northern Ireland Police Ombudsman  

Providing an independent, impartial and effective procedure for public complaints about the police in Northern Ireland.

Police Services of the UK  

Directory of official police forces and police-related organisations, provided by PITO.

Scottish Police Forces Website  

Directory of Scottish Police services.