- Northern Ireland Office
- Office of the Secretary of State for Northern Ireland. - Northern Ireland Executive
- Responsible for devolved power in the region. - NICS Department of Education
 - New Northern Ireland Assembly
- Established as part of the Belfast Agreement. Has full legislative and executive authority over six Northern Ireland government departments. - Department of Agriculture and Rural Development (DARD) (1)
- General Register Office (Northern Ireland)
- Responsible for the registration of births, deaths, marriages, and adoptions for Northern Ireland, and issuing of certificates. - Northern Ireland Housing Executive
- Regional comprehensive authority, offering information, advice, and publications. - Office of the First Minister
- Leaders of the government in Northern Ireland. - Central Adjudication Services (CAS)
 - Social Security Agency
- Northern Ireland Social Security Agency. - Northern Ireland Statistics and Research Agency (NISRA)
 - Discover Northern Ireland
- Offers information to visitors of Northern Ireland including Irish history, geography, local activities, and a calendar of events. The Northern Ireland Tourist Board also provides accommodation and transportation information for travellers, as well as themed tour ideas.
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