| N Buchan - Other building completion |
| National Tyres & Autocare - Sale of motor vehicle parts and accessories |
| National & Express Taxi's - Taxi Service |
| Nationwide Building Society - Bank |
| Nazma Tandoori - Restaurant |
| Neil Daniel Ltd - Maintenance and repair of motor vehicles |
| New Hope Assembly - Activities of religious organisations |
| New Look - Clothing Store |
| Nicols - Retail sale of books, newspapers and stationary |
| Norlin Autobody - Maintenance and repair of motor vehicles |
| North East Fishermans Training Association - Adult and other education not elsewhere classified |
| North East Folklore Archive - Reproduction of computer media |
| North East Of Scotland Fishermans Organisation Ltd - Operation of fish hatcheries and fish farms |
| North Gate - Retail sale of automotive fuel |
| Northern Engineering Works - Other supporting water transport activities |
| Northern Lights Dental Laboratories - Other human health activities |
| Northern Lights Dental Laboratories - Dental Laboratory |
| North Eastern Farmers Ltd. - Agricultural Merchants |
| Norfish Ltd - Marine Product Fishing |
| Northern Platforms Stagings Ltd - Building Materials Supplier |
| Nazma Tandoori - Indian Restaurant |
| New Hope Charity Shop - Charity Shops |
| Neil Strachan Carpet Fitter - Other Spec.ret.dist(non-Food) |
| Norkram Ltd - Retailers Of Pipeline Protectors |
| North East Transport Refrigeration Servi - Repair Of Refrigeration Units On Lorries |
| Nationwide Building Society - Building Society |
| Nisa Local - Convenience Store |
| Nisa Local - Supermarket |
| Nisa Local - Convenience Store |
| Nisa Local - Convenience Store |