What we do

We ensure the smooth working of the devolution settlement in Northern Ireland. We represent Northern Irish interests within the UK government and we represent the UK government in Northern Ireland.

NIO is a ministerial department, supported by 3 agencies and public bodies.

Read more about what we do

We produce detailed guidance in these categories

  1. Devolution: how it affects policies and services

    Advice for public servants and other agencies about devolved responsibilities and accountability. Read more

Our policies

  1. Keeping Northern Ireland safe

    How the UK government is working with the authorities in Northern Ireland to keep people in Northern Ireland safe.

  2. Supporting political stability and the institutions in Northern Ireland

    How the UK government is working with the Northern Ireland Executive, the Irish government and others to help bring about a stable, prosperous and peaceful future for Northern Ireland.

  3. Bringing communities in Northern Ireland together

    How the UK government is working with the Northern Ireland Executive to help make lasting changes to bring communities together and address underlying divisions.

See all our policies

Contact NIO

Office address (Belfast)

Stormont House
Northern Ireland


Office address (London)

1 Horse Guards Road


Press Office (media enquiries)

Make an FOI request

  1. Read about the Freedom of Information (FOI) Act and how to make a request
  2. Check our previous releases to see if we’ve already answered your question
  3. Make a new request by contacting us at:

Freedom of information requests

Freedom of Information Manager
1 Horse Guards Road

Corporate information

Read about the types of information we routinely publish in our Publication scheme.