| Name | Region |
|---|---|
| LALAL.AI | |
| Lamassu Industries AG | |
| LamKap Bio | |
| LAN Computer Systems AG | Bern |
| LAN Pro AG | Lucerne |
| Langmeier Software GmbH | Schwyz |
| Largo | |
| LatticeFlow AG | |
| Laurent Nardin | Neuchâtel |
| LB (Schweiz) AG | |
| 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 | |
| Léman Digital | |
| 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 |
| Leuk Teleport & Data Centre AG | |
| Leva | |
| Levitronix GmbH | |
| Lifecom Neue Medien | Lucerne |
| Light Chain Bioscience | |
| Lightium AG | |
| Lightium AG | |
| Lightly AG | |
| LimmaTech Biologics AG | |
| Limula S.A. | |
| Linalis S.à.r.l. | Geneva |
| Lineasoft Sagl | Ticino |
| Linum Labs | |
| Linux User Group Bern | Bern |
| Linux User Group Switzerland | Zurich |
| Linuxfabrik GmbH | Zurich |
| Liom Health AG | |
| Liquineq AG | |
| Liquity AG | |
| Lisk | Zug |