| Name | Region |
|---|---|
| Komgo | Geneva |
| KOMP-ACT S.A. | |
| Konapharma AG | |
| Konplan | Zug |
| Kraftwerk Zürich | |
| Kreativ Media GmbH | Zurich |
| Kroll-Software | Uri |
| KSF Technologies AG | Zurich |
| Kubeg GmbH | St. Gallen |
| KUBLI data | Thurgau |
| Kudelski Security | Vaud |
| Kuhn Informatik AG | Aargau |
| Küng Computer | Schaffhausen |
| Kunse.com | Aargau |
| Kuros Biosciences AG | |
| kwe.li GmbH | St. Gallen |
| Kyan Health AG | |
| LA Partner GmbH | Lucerne |
| lab4web.com | Zurich |
| Labatec Pharma S.A. | |
| LabMinds | |
| Laevoroc Oncology AG | |
| LAKE Solutions AG | Zurich |
| LALAL.AI | |
| Lamassu Industries AG | |
| LAN Computer Systems AG | Bern |
| LAN Pro AG | Lucerne |
| Langmeier Software GmbH | Schwyz |
| LatticeFlow AG | |
| Laurent Nardin | Neuchâtel |
| LCweb | Valais |
| le5 GmbH | Lucerne |
| leadXpro AG | |
| Ledgertech | |
| Ledgy AG | |
| Leeroy Brun | Vaud |
| Legartis Technology AG | |
| LEGIC Identsystems Ltd | Zurich |
| Leica Geosystems AG | St. Gallen |
| Leihkasse Stammheim AG | |
| Leitsystem IT GmbH | Thurgau |
| LEM Surgical AG | |
| Leman Micro Devices S.A. | |
| Lemansites | Vaud |
| Lemsys S.A. | Geneva |
| LEND | |
| LEONARDO Productions AG | Zurich |
| Letec IT Solutions AG | Schaffhausen |
| Leuchter IT Solutions AG | Lucerne |
| Leva |