Number of repositories: 221
| Institution | Repository | Repository_ID | Service | Software | Status |
|---|---|---|---|---|---|
| Middlesex University | Middlesex University Research Repository (Eprints) | 78 | IRUS-UK | Eprints | Active |
| NERC | NERC Open Research Archive - NORA | 80 | IRUS-UK | Eprints | Active |
| National Library of Scotland | National Library of Scotland research repository | 270 | IRUS-UK | Fedora - Samvera | Active |
| National Museums Scotland | National Museums Scotland research repository | 243 | IRUS-UK | Fedora - Samvera | Active |
| National Trust | National Trust research repository | 268 | IRUS-UK | Fedora - Samvera | Active |
| Natural History Museum | Natural History Museum repository | 3 | IRUS-UK | DSpace | Active |
| Newcastle University | Newcastle University Library ePrints Service | 176 | IRUS-UK | Other | Active |
| Newman University | Newman University Repository | 193 | IRUS-UK | Eprints | Active |
| Northeastern University London | Northeastern University London Repository | 254 | IRUS-UK | Eprints | Active |
| Norwich University of the Arts | Norwich University of the Arts Repository | 194 | IRUS-UK | Eprints | Active |