| NTier Solutions Holding AB | Stockholm | 0 tkr |
| Nuhat butik AB | Uppsala | 0 tkr |
| Nullpointer Holding AB | Uppsala | 0 tkr |
| Numeric Direction AB | Uppsala | 0 tkr |
| NUMT Holding AB | Uppsala | 0 tkr |
| Nuramediag AB | Uppsala | 0 tkr |
| Nurse Assist i Norden AB | Knivsta | 0 tkr |
| Nurse & Murse Staffing AB | Upplands Väsby | 0 tkr |
| Nusakan AB | Uppsala | 0 tkr |
| NusratAdam AB | Knivsta | 0 tkr |
| Nutaxi AB | Uppsala | 0 tkr |
| Nutcage AB | Stockholm | 0 tkr |
| Nutrition by George AB | Uppsala | 0 tkr |
| Nutrivision Research and Development Sweden AB | Uppsala | 0 tkr |
| Nvigorea AB | Uppsala | 0 tkr |
| NW73 Holding AB | Uppsala | 0 tkr |
| NW Rental Teknik AB | Enköping | 0 tkr |
| NXT LVL Studios AB | Västra Frölunda | 0 tkr |
| Nya Ulsi Fastigheter Aktiebolag | Torsåker | 0 tkr |
| Nyberg Nordmark Vård & Behandling AB | Örbyhus | 0 tkr |
| Nyckelby Group AB | Bålsta | 0 tkr |
| Nynäs Förvaltning AB | Skärplinge | 0 tkr |
| Nysätern Fastigheter AB | Uppsala | 0 tkr |
| Nysätra Transport AB | Örsundsbro | 0 tkr |
| N.Y.S Byggservice AB | Knivsta | 0 tkr |
| Nyslott Management AB | Uppsala | 0 tkr |
| Nyström Group AB | Skutskär | 0 tkr |
| Nyström Nordic AB | Enköping | 0 tkr |
| Nytida Imera Holding AB | Uppsala | 0 tkr |
| Nyttans Fastigheter AB | Uppsala | 0 tkr |
| Nyttkliv AB | Knivsta | 0 tkr |
| Nyvla Förvaltnings Aktiebolag | Bälinge | 0 tkr |
| O3 Holding AB | Enköping | 0 tkr |
| OAENE Lundberg AB | Uppsala | 0 tkr |
| Oakfer AB | Uppsala | 0 tkr |
| Oak & Pine Invest Sweden AB | Uppsala | 0 tkr |
| Oberion Genetics AB | Knivsta | 0 tkr |
| Obisdo AB | Uppsala | 0 tkr |
| Ocarena Group AB | Uppsala | 0 tkr |
| OC Capital Group AB | Uppsala | 0 tkr |
| Odalbygge i Uppsala Aktiebolag | Uppsala | 0 tkr |
| Oddvar Bakos Förvaltning AB | Knivsta | 0 tkr |
| Odelstrand Invest AB | Bålsta | 0 tkr |
| Odenfelt Invest AB | Enköping | 0 tkr |
| Odens Mind Games AB | Uppsala | 0 tkr |
| Odins Hälsa AB | Uppsala | 0 tkr |
| ODIOS Holding AB | Uppsala | 0 tkr |
| Ödman Real Estate AB | Uppsala | 0 tkr |
| ODNER AB | Uppsala | 0 tkr |
| ODNER Kapitalförvaltning AB | Uppsala | 0 tkr |