| Cirkusmanegen AB | Enebyberg | 0 tkr |
| Clanin AB | Danderyd | 0 tkr |
| Clar-Text: Dr. Clarissa Blomqvist Aktiebolag | Djursholm | 0 tkr |
| Clas Anderson Förvaltning AB | Stocksund | 0 tkr |
| CleanCut Software Aktiebolag | Danderyd | 0 tkr |
| Cleova Consulting AB | Stocksund | 0 tkr |
| Clever Networks Europe AB | Uppsala | 0 tkr |
| CLOH Medical AB | Djursholm | 0 tkr |
| CLR Teknik AB | Enebyberg | 0 tkr |
| Cmarta AB | Stockholm | 0 tkr |
| CMW Invest AB | Djursholm | 0 tkr |
| CN Dialog och Utveckling AB | Djursholm | 0 tkr |
| Cog5 Consulting AB | Norrtälje | 0 tkr |
| COGUS Konsulter AB | Enebyberg | 0 tkr |
| Combit Sweden Aktiebolag | Tyresö | 0 tkr |
| Company of Secrets AB | Djursholm | 0 tkr |
| Composition Ventures AB | Djursholm | 0 tkr |
| CONDICTOR AB | Stockholm | 0 tkr |
| Confidenca Invest AB | Stocksund | 0 tkr |
| Connectum Aktiebolag | Danderyd | 0 tkr |
| Conpal Mätteknik AB | Danderyd | 0 tkr |
| Conradson Creative AB | Enebyberg | 0 tkr |
| Conversion Quants AB | Danderyd | 0 tkr |
| Cor Aktiebolag | Stockholm | 0 tkr |
| Coronal Aktiebolag | Enebyberg | 0 tkr |
| Corporate, Management and Business Boost Sweden AB | Täby | 0 tkr |
| CORTUMIO Consulting AB | Järfälla | 0 tkr |
| Craelius & Hansson AB | Djursholm | 0 tkr |
| CRCH Investments AB | Stockholm | 0 tkr |
| Creative Solutions Jonas Lindh AB | Danderyd | 0 tkr |
| Crelyn AB | Stockholm | 0 tkr |
| Crestco Innovation AB | Danderyd | 0 tkr |
| Crispo AB | Danderyd | 0 tkr |
| CS Vård & Design AB | Stocksund | 0 tkr |
| Curadyn Verksamhetsutveckling AB | Viken | 0 tkr |
| CValue Invest AB | Djursholm | 0 tkr |
| CWPGRUPPEN AB | Stocksund | 0 tkr |
| Cytel Sweden AB | Stockholm | 0 tkr |
| DaCaOl & Co AB | Enebyberg | 0 tkr |
| Dahlén Rydeberg IT-konsult AB | Täby | 0 tkr |
| Daisy Home AB | Danderyd | 0 tkr |
| Dals 1686 AB | Djursholm | 0 tkr |
| Danderyd Memcom AB | Stockholm | 0 tkr |
| Danderyds Administrations- och Bokförings- service Aktiebolag | Djursholm | 0 tkr |
| Danderyds Arkitekt och Ingenjörsbyrå Aktiebolag | Danderyd | 0 tkr |
| Danderyds Bokhandel AB | Danderyd | 0 tkr |
| Danderyds Konstgräs AB | Danderyd | 0 tkr |
| Danderyds Transport Aktiebolag | Vallentuna | 0 tkr |
| Danj Aktiebolag | Djursholm | 0 tkr |
| David Holm Ovrén Holding AB | Stockholm | 0 tkr |