| Creditshelf AG | |
| Creisi Productions | Lucerne |
| Crisalix S.A. | |
| Cropmark | Aargau |
| Cropwise | |
| Cross Systems | Geneva |
| Crosstown H2R AG | |
| Crowdhouse AG | |
| Crowne Associates AG | Schwyz |
| CS-Computing GmbH | Aargau |
| CS2 AG | Basel-Landschaft |
| CSS Intensivstation | |
| CTC Analytics AG | Basel-Landschaft |
| ctf Informatik GmbH | Appenzell Innerrhoden |
| CTISTARTUP | |
| CTOL Digital Solutions | |
| CTOL Digital Solutions | |
| Cubegrafik GmbH | Bern |
| Cubera Solutions AG | Zurich |
| cubic.ch GmbH | Zurich |
| CUE Labs AG | |
| Curatis AG | |
| Curio Biotech Ltd | |
| Customweb GmbH | Zurich |
| Cutiss AG | |
| CV VC AG | |
| CV VC AG | |
| Cybelec S.A. | Vaud |
| Cyber Marchands | Jura |
| Cyber Network S.A. | Geneva |
| Cyberbotics Ltd | Vaud |
| Cybériade | Vaud |
| Cyberlink AG | Zurich |
| Cybermedia Concepts | Geneva |
| Cybrient Technologies S.A. | |
| Cyon GmbH | Basel-Stadt |
| Cyrus.ch S.à.r.l. | Geneva |
| Cyverse AG | Zurich |
| Dabu Flow AG | Zurich |
| Dacadoo | Zurich |
| Dachcom | St. Gallen |
| Daedalean AG | Zurich |
| Damanet.ch | Bern |
| Damian Pharma AG | |
| Daniel Borkmann | |
| Darest Informatik S.A. | Geneva |
| DART Labs | |
| Dartecs GmbH | Aargau |
| Dartfish | Fribourg |
| Darwin Digital | |