| ConCall AB | Bålsta | 0 tkr |
| Concare Aktiebolag | Uppsala | 0 tkr |
| Concine AB | Stockholm | 0 tkr |
| Condura Ställning AB | Knivsta | 0 tkr |
| Confuse a cat AB | Fåker | 0 tkr |
| ConnectEstate Systems AB | Enköping | 0 tkr |
| Connection Z.A. Holding AB | Märsta | 0 tkr |
| CONNIK AB | Knivsta | 0 tkr |
| Conrol Nordic AB | Uppsala | 0 tkr |
| Constarxing AB | Uppsala | 0 tkr |
| Consultera Sverige AB | Knivsta | 0 tkr |
| Consultim Technologies AB | Uppsala | 0 tkr |
| Contensia AB | Uppsala | 0 tkr |
| Cool Breeze Capital AB | Harbo | 0 tkr |
| Copper Lavender AB | Uppsala | 0 tkr |
| Co-Properties Nordic Holding AB | Göteborg | 0 tkr |
| Co-Properties Plattform AB | Göteborg | 0 tkr |
| Cordiformis AB | Uppsala | 0 tkr |
| Corembed AB | Knivsta | 0 tkr |
| CORE SECURITY Aktiebolag | Uppsala | 0 tkr |
| Corinne Invest AB | Uppsala | 0 tkr |
| Cornerbranch Tech AB | Uppsala | 0 tkr |
| Coroa Holding AB | Uppsala | 0 tkr |
| Corporate Innovation Sweden AB | Uppsala | 0 tkr |
| Cotrugli AB | Bålsta | 0 tkr |
| CPH Holding AB | Vallsta | 0 tkr |
| CPLS AB | Uppsala | 0 tkr |
| cProgress AB | Uppsala | 0 tkr |
| C-Rad Imaging AB | Uppsala | 0 tkr |
| C-Rad Innovation AB | Uppsala | 0 tkr |
| Craft Software Holding AB | Fjärdhundra | 0 tkr |
| CRC Validation AB | Uppsala | 0 tkr |
| Creantor AB | Uppsala | 0 tkr |
| Creative Growth AB | Uppsala | 0 tkr |
| Crenna Holding AB | Enköping | 0 tkr |
| Creocure AB | Uppsala | 0 tkr |
| Créperie Lemoni i Sverige AB | Stockholm | 0 tkr |
| Crimston AB | Uppsala | 0 tkr |
| Crossmind AB | Knivsta | 0 tkr |
| Crown Properties AB | Uppsala | 0 tkr |
| CSH-Konsult AB | Uppsala | 0 tkr |
| C. Skott Utveckling AB | Uppsala | 0 tkr |
| C Toll i Uppsala AB | Uppsala | 0 tkr |
| CT specialpedagogiska förskolestöd AB | Bålsta | 0 tkr |
| Cubimo AB | Stockholm | 0 tkr |
| Cuptronic Technology AB | Rosersberg | 0 tkr |
| Current Power Sweden AB | Uppsala | 0 tkr |
| Custom Schakt AB | Örsundsbro | 0 tkr |
| C&V Maggio nöjeskonsulter AB | Uppsala | 0 tkr |
| C Wallberg Förvaltning AB | Uppsala | 0 tkr |