| Bumpy AB | |
| Burt | Västra Götaland |
| Business Name Generator | |
| Business Sweden | |
| Business Vision | Västra Götaland |
| Buster AB | Västra Götaland |
| Buzz | |
| Buzzlemedia AB | |
| BXO Solutions AB | Stockholm |
| Byggfakta Sverige i Ljusdal AB | |
| BYON8 | |
| Bzzt AB | |
| C-Green | |
| C-Net Systems AB | |
| C-RAD AB | |
| C-SAM | Stockholm |
| C.A.G. Group | Stockholm |
| CAD Konsult Syd | Skåne |
| CAD Software | Stockholm |
| CadCoordintor AB | |
| CADint Sweden AB | Stockholm |
| Cadmac | Skåne |
| Cadputer AB | Stockholm |
| CADShop | Norrbotten |
| CAG Ateles AB | |
| CAKE | |
| Calejo Hybrid Intelligence AB | |
| Calliditas Therapeutics AB | |
| Callista Enterprise AB | Stockholm |
| Caltech AB | |
| Calvia | Västra Götaland |
| Camelonta | Stockholm |
| Camurus AB | |
| Cangoroo | |
| Cangoroo Tech | |
| Canon Svenska AB | Stockholm |
| Cantargia AB | |
| Capax Instruments AB | Stockholm |
| Capcito Finance AB | |
| Capio AB | |
| Capitainer | |
| Cappy | |
| Carbiotix AB | |
| CarbonCloud | |
| Carcare | |
| Cardia | |
| Cardo Health AB | |
| Care to Translate | |
| Carlstedt Elektronik AB | Halland |
| Carmenta | Västra Götaland |