What we do

We ensure the smooth working of the devolution settlement 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)

Email monitored Mon-Fri 9am-5pm

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.