As well as looking at complaints about the eight Scottish police forces, the PCCS can also review complaints about a number of police organisations.
British Transport Police is the national police force for the railways providing a policing service to passengers, railway staff and the rail operators throughout Scotland, England and Wales. BTP is also responsible for policing the Glasgow underground.
CNC polices civil nuclear licensed sites, nuclear site operators and regulators in Scotland, England and Wales.
Ministry of Defence Police and Guarding Agency provides policing and guarding services to the Defence Community, both military and civilian.
SCDEA works with and in support of the Scottish Police Service and other law enforcement agencies to tackle, disrupt and dismantle serious organised crime groups.
SOCA is an intelligence led agency which aims to reduce the harm caused to the UK by serious organised crime.
SPSA provides policing and support services to the 8 Scottish police forces and criminal justice community.
The UK Border Agency is responsible for securing the UK border and controlling migration in the UK. It manages border control for the UK, enforcing immigration and customs regulations. It also considers applications for permission to enter or stay in the UK, and for citizenship and asylum.
Police Authorities are responsible for resourcing police forces and investigating complaints about senior police officers (Assistant Chief Constable, Deputy Chief Constable, Chief Constable).