| 1 | An Post Portal of postal services. | 456 |
| 2 | Companies Registration Office The authority for the incorporation of new companies and the registration of business names in Ireland. Downloadable forms, a price list, and FAQs. | 388 |
| 3 | India - New Delhi The Embassy of Ireland in India, with detailed information about different visas including education visa, and visa forms. | 281 |
| 4 | Southern Health Board Provides health and social services in counties Cork and Kerry. Site includes health, recruitment and organisation information as well as a resource for staff. | 260 |
| 5 | The Irish Defence Forces, Óglaigh na h-Eireann Official site for the Irish Army, Naval Service, and Air Corps. | 254 |
| 6 | Courts Service Official site contains information on courts, offices, and a courts newsletter. | 237 |
| 7 | Department of Foreign Affairs A lot of information on Ireland and its foreign policy. | 187 |
| 8 | Land Registry and Registry of Deeds Provides for registration of title and registration of deeds in relation to land. Sets out functions, services, contact points, legislation, publications and registration practice. | 177 |
| 9 | Australia Australian Embassy in Dublin, with an FAQ on doing business in and with Australia. | 174 |
| 10 | Department of Enterprise, Trade and Employment Responsibility for the development of enterprise, employment promotion, trade development, protection of workers and business regulation. | 164 |
| 11 | Irish Social Services Inspectorate The Social Services Inspectorate is an independent body which inspects the social services functions of the health boards. | 123 |
| 12 | Eastern Regional Health Authority Replacing the old Eastern Health Board, the ERHA has overall responsibility for health services in counties Dublin, Kildare and Wicklow. | 121 |
| 13 | Office of Public Works The Office of Public Works is the Irish Government's principal engineering agency, responsible for restoration, conservation, town planning, public access, public buildings, the State art collection, Dublin castle, Farmleigh, government publications, election & flood services. | 116 |
| 14 | National Archives of Ireland Information on public archives and genealogy. | 113 |
| 15 | Department of Health and Children The Department of Health and Children is responsible for policy in relation to the Irish health services. Site contains policy information rather than information on entitlements. | 105 |
| 16 | Belgium Embassy of Belgium in Dublin, with detailed visa information. | 105 |
| 17 | Defence Forces Training Centre Official site for DFTC located in the Curragh, Co. Kildare. Includes information about units located there, training conducted and the long history of this establishment. | 105 |
| 18 | An Garda Siochana News, information, statistics, careers and history. | 103 |
| 19 | Eastern Health Shared Services Provides a range of technical and support services to the eastern region area health boards. | 102 |
| 20 | Irish Institute of Radiography Joomla - the dynamic portal engine and content management system | 102 |