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

Contact NIO

Office address (Belfast)

Stormont House
Belfast
Northern Ireland

BT4 3SH

Office address (London)

1 Horse Guards Road
London

SW1A 2HQ

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
Stormont House
Belfast
Northern Ireland
BT4 3SH

Corporate information

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