| Christiansberg AB | Saltsjöbaden | 0 tkr |
| Christina Dahlin Fastigheter Stockholm AB | Nacka | 0 tkr |
| Christofer Brugge Konsult AB | Värmdö | 0 tkr |
| Christoffer Mars AB | Upplands Väsby | 0 tkr |
| Christopher Thorn PR Sweden Aktiebolag | Stockholm | 0 tkr |
| Cidro Invest Aktiebolag | Stockholm | 0 tkr |
| Cihan Punar AB | Stockholm | 0 tkr |
| Cikada Invest AB | Stockholm | 0 tkr |
| CINEARCHITECTURE AB | Saltsjöbaden | 0 tkr |
| Citiapp AB | Nacka | 0 tkr |
| Citronplaneten AB | Nacka | 0 tkr |
| CJI Consulting AB | Göteborg | 0 tkr |
| CJO Holding AB | Saltsjö-Boo | 0 tkr |
| CJ Tessmar AB | Saltsjöbaden | 0 tkr |
| C&J Wallbäcks AB | Luleå | 0 tkr |
| CKL Holding AB | Saltsjö-Boo | 0 tkr |
| CKT Capital AB | Stockholm | 0 tkr |
| Claes Svärdsjö Invest AB | Nacka | 0 tkr |
| CLA Invest AB | Saltsjö-Boo | 0 tkr |
| CLB Management AB | Saltsjö-Boo | 0 tkr |
| Clever Society AB | Saltsjö-Boo | 0 tkr |
| cloudberry jam AB | Stockholm | 0 tkr |
| Clubrush Street AB | Saltsjöbaden | 0 tkr |
| C Malmgren Holding AB | Saltsjöbaden | 0 tkr |
| CMF Invecta AB | Nacka | 0 tkr |
| CM Holding AB | Saltsjöbaden | 0 tkr |
| CMJM Holding AB | Höllviken | 0 tkr |
| CMS Consulting AB | Stockholm | 0 tkr |
| Cneipp Consulting AB | Saltsjö-Duvnäs | 0 tkr |
| C Nelson Invest AB | Gustavsberg | 0 tkr |
| C Nilsson Holding AB | Saltsjö-Boo | 0 tkr |
| CnV Care AB | Saltsjö-Boo | 0 tkr |
| CoachMed AB | Nacka | 0 tkr |
| CoachMed Holding AB | Nacka | 0 tkr |
| CobbleWeb AB | Saltsjöbaden | 0 tkr |
| Codorniz Holding AB | Saltsjöbaden | 0 tkr |
| Cogniread AB | Saltsjö-Boo | 0 tkr |
| Coign AB | Saltsjö-Duvnäs | 0 tkr |
| Cola Invest & Consulting AB | Älta | 0 tkr |
| Colfach Invest AB | Saltsjöbaden | 0 tkr |
| Colling Communication AB | Saltsjö-Boo | 0 tkr |
| Colling Water Management AB | Saltsjöbaden | 0 tkr |
| ComeIn System AB | Saltsjöbaden | 0 tkr |
| CommunicationWorks Scandinavia AB | Saltsjöbaden | 0 tkr |
| Compose Pay Sweden AB | Saltsjö-Boo | 0 tkr |
| Conada AB | Saltsjö-Boo | 0 tkr |
| Concejo AB (publ) | Nacka | 0 tkr |
| Concejo SALNAV Holding AB | Nacka | 0 tkr |
| Concenter AB | Stockholm | 0 tkr |
| Conciliator Sweden AB | Saltsjö-Boo | 0 tkr |