| NewRedo | |
| Newrotex | |
| Newstel Media Ltd | Glasgow |
| Newton Systems Ltd | Gibraltar |
| Newtons4th Ltd | Leicestershire |
| Nexa Cognition | |
| Nexbridge Communications Ltd | Greater Manchester |
| NexDat Ltd | |
| Nexia Audio Solutions | Cambridgeshire |
| NEXO | Devon |
| NEXOR Ltd | Nottinghamshire |
| NexStor | Nottinghamshire |
| Next Big Leap Ltd | Leicestershire |
| Next Communications and Security Ltd | Hampshire |
| NEXT Digital Agency | |
| Next Gen Diagnostics | |
| Next Generation Business Solutions | |
| Next Hubz Ltd | |
| Next Level Consultancy Ltd | |
| Next Systems Ltd | Surrey |
| Next Theme | |
| Next Ventures | |
| Nextasoft Ltd | |
| Nexteam Ltd | |
| NextGen Technology | Berkshire |
| NextPixel | |
| Nexudus | Greater London |
| Nexudus | |
| Nexus BioQuest Ltd | |
| Nexus Creative | |
| Nexus Data Systems Ltd | Glasgow |
| Nexus Design & Print | West Sussex |
| Nexus Electronics Ltd | Cambridgeshire |
| Nexus Energy Solutions | |
| Nexus FrontierTech Ltd | |
| Nexus IT Support | |
| Nexus Open Systems Ltd | Devon |
| Nexus Rental | |
| Nexus Technology | Essex |
| NexusBond | |
| NFC Group | |
| NFS Restaurant Technology | |
| NG Bailey | West Yorkshire |
| NG Installations Ltd | Derbyshire |
| NG-IT | |
| NGC Networks Ltd | West Yorkshire |
| NGT Ltd | West Midlands |
| Nhance Web Wolutions Ltd | West Sussex |
| NHS Innovation Accelerator | |
| NHZ Global Ltd | |