| North West Design Studios | |
| North-West Tech Community | |
| Northampton Aerials | |
| Northampton Digital | Northamptonshire |
| Northampton Time Recorders | |
| Northberry | |
| northCloud | Greater Manchester |
| Northcoders | |
| Northeastern University London | |
| Northern Contrast Ltd | |
| Northern Gritstone Ltd | |
| Northern Hi-Tec Ltd | Lancashire |
| Northern I.T. Consultancy Ltd | Greater Manchester |
| Northern Industrial Electronics Ltd | Lancashire |
| Northern Monkey Creative Media | Lancashire |
| Northern Regional College | |
| Northern Venture Managers Ltd | Tyne and Wear |
| Northface Connections Ltd | Hampshire |
| Northflank Ltd | |
| Northgate Systems | |
| NorthPort | |
| Northstar Technology Ltd | West Sussex |
| Northstar Ventures | |
| Northumberland IT | Northumberland |
| Northumbria Pharma Ltd | |
| Northumbria University | Tyne and Wear |
| Northumbria University - Computer and Information Sciences | Tyne and Wear |
| NorthWest Online | Merseyside |
| Northzone | |
| Norventa | Northumberland |
| Norwest Digital Communications Ltd | Cheshire |
| Norwich Mac User Group | Norfolk |
| Norwich University of the Arts | |
| NorwichIT.com | Norfolk |
| Nosh Technologies | |
| Nossa Data Ltd | |
| Nosso Ltd | |
| Notch Communications Ltd | |
| Nothing | |
| Notion Capital Managers, LLP | Greater London |
| Notion vc Ltd | Greater London |
| NotLuck | |
| Nott Development Studios | |
| Notting Hill Web Design | |
| Nottingham College | |
| Nottingham Linux Users Group | Nottinghamshire |
| Nottingham Trent University | Nottinghamshire |
| Nottingham Web Design | Nottinghamshire |
| Notus Digital | |
| Noughts & Ones | |