| Cherrystone AB | Lidingö | 0 tkr |
| China-Sweden Culture Communication AB | Lidingö | 0 tkr |
| Chisel It-konsult 2 AB | Lidingö | 0 tkr |
| Chisel IT-konsult AB | Lidingö | 0 tkr |
| Christina Odqvist Holding AB | Lidingö | 0 tkr |
| Cia Otterström Förvaltning AB | Stockholm | 0 tkr |
| Cibus Investment AB | Lidingö | 0 tkr |
| Circulus AI AB | Lidingö | 0 tkr |
| CIREA AB | Lidingö | 0 tkr |
| CJAB Holding i Lidingö AB | Lidingö | 0 tkr |
| CJ Kraft AB | Lidingö | 0 tkr |
| CK Business Economics AB | Lidingö | 0 tkr |
| CK Fastighetsbyrå, Cathrine Kloo Aktiebolag | Lidingö | 0 tkr |
| Clab Advisors AB | Lidingö | 0 tkr |
| Claes David Olsson AB | Lidingö | 0 tkr |
| Claes Jepsen AB | Lidingö | 0 tkr |
| Clayport Family Office AB | Lidingö | 0 tkr |
| Clean Interest Ventures AB | Lidingö | 0 tkr |
| Clew AB | Lidingö | 0 tkr |
| C. Lindberg Fastighetsförvaltning & Byggkonsult LFB AB | Dalarö | 0 tkr |
| Cloud Invest Nordic AB | Lidingö | 0 tkr |
| Clurius AB | Lidingö | 0 tkr |
| CMARJ AB | Lidingö | 0 tkr |
| CNO Holding AB | Lidingö | 0 tkr |
| C/O Change AB | Lidingö | 0 tkr |
| Codehub AB | Väddö | 0 tkr |
| Codexis AB | Lidingö | 0 tkr |
| Colleblu AB | Lidingö | 0 tkr |
| Collegio AB | Lidingö | 0 tkr |
| Computare Consulting AB | Lidingö | 0 tkr |
| Concaptus AB | Lidingö | 0 tkr |
| Concentus Properties AB | Kalix | 0 tkr |
| Confidus Investment Partners AB | Stockholm | 0 tkr |
| Confidus Technology Investments 1 AB | Stockholm | 0 tkr |
| Confidus Technology Investments 2 AB | Stockholm | 0 tkr |
| Confidus Technology Investments 3 AB | Stockholm | 0 tkr |
| Confidus Technology Investments 6 AB | Stockholm | 0 tkr |
| Conny Arrhenius Andersson AB | Lidingö | 0 tkr |
| Conorex holding AB | Lidingö | 0 tkr |
| CONVOLO AB | Lidingö | 0 tkr |
| Cora Invest AB | Lidingö | 0 tkr |
| Cordulce AB | Lidingö | 0 tkr |
| Corell & Partners AB | Lidingö | 0 tkr |
| Corobar Invest AB | Lidingö | 0 tkr |
| Corricrux AB | Lidingö | 0 tkr |
| Cottus Holding AB | Lidingö | 0 tkr |
| Coutandin AB | Göteborg | 0 tkr |
| Crealogos AB | Bergshamra | 0 tkr |
| Creantum Fastigheter AB | Stockholm | 0 tkr |
| Cribor AB | Lidingö | 0 tkr |