Mainly state- (Irish and British) and European-level bodies, libraries, archives, heritage, and public records offices
- British Library
- CARMEN (EU): Co-operative for the Advancement of Research through a Medieval European Network
- DARIAH: Digital Research Infrastructure for the Arts and Humanities (EU)
- DIAS: Dublin Institute for Advanced Studies (links to publications, Celtica journal, events, etc. for the Institute’s Celtic Studies section)
- Digital Preservation Europe (EU)
- eContent+: multiannual Community programme to make digital content in Europe more accessible, usable and exploitable.
- ENRICH: European Networking Resources and Information Concerning Cultural Heritage. ENRICH is a project funded under eContent+ programme. The main aim of the project is to create seamless access to distributed information about manuscripts and rare old printed books in Europe on the Manuscriptorium platform.
- Enterprise Ireland
- Environment and Heritage Service (Northern Ireland) (Built Environment, within the Northern Ireland Environment Agency, within the Department of the Environment)
- FP7: Seventh EU Framework Programme
- Heritage Council (Ireland)
- HII: Humanities Institute of Ireland (based at UCD; of occasional interest to Medieval and Renaissance scholars)
- Intute: Arts and Humanities database (UK) (Humbold Humanities Hub as was)
- Irish Manuscripts Commission
- MINERVAeC (EU): MInisterial NEtwoRk for Valorising Activities in digitisation, eContentplus – Supporting the European Digital Library; co-funded by the European Union
- National Archives (UK)
- National Archives of Ireland
- National Library of Ireland
- OPW: Office of Public Works (Ireland)
- PRONI: Public Record Office of Northern Ireland
- RIA: Royal Irish Academy (links to library collections, publications, events, Eriu journal)
- The Society for the Study of Medieval Languages and Literature
