| ON AIR Production AG | Buchs SG | 20.9.2025 |
| ON DA ROCK GmbH | Rorschach | 20.9.2025 |
| On Point GmbH | St. Gallen | 20.9.2025 |
| ON Power Technology AG | Flums | 20.9.2025 |
| On-Line Productions GmbH in Liquidation | Wil SG | 20.9.2025 |
| ON.A Coaching & Consulting Inh. Marijana Fofana | St. Margrethen SG | 20.9.2025 |
| onadmin gmbh | St. Gallen | 20.9.2025 |
| ONAHA GmbH | Goldach | 20.9.2025 |
| onboos GmbH | Engelburg | 20.9.2025 |
| One Business GmbH | Rheineck | 20.9.2025 |
| One Net GmbH | Widnau | 20.9.2025 |
| One Thai Curry KlG | Buchs SG | 20.9.2025 |
| One-Check GmbH | Weesen | 20.9.2025 |
| one-hair GmbH | St. Gallen | 20.9.2025 |
| one28 Racing GmbH | Bichwil | 20.9.2025 |
| Oneiro Solutions KLG | Balgach | 20.9.2025 |
| Onen GmbH | Niederbüren | 20.9.2025 |
| oneresource AG | Wil SG | 20.9.2025 |
| OneSystems GmbH | Wattwil | 20.9.2025 |
| Oneteq AG | Benken SG | 20.9.2025 |
| onevis IT Schweiz AG | Diepoldsau | 20.9.2025 |
| oneway Suisse GmbH | Gommiswald | 20.9.2025 |
| onewaybiomed GmbH | Gommiswald | 20.9.2025 |
| ONFLOW GmbH | Rapperswil SG | 20.9.2025 |
| ONIP GmbH | St. Gallen | 20.9.2025 |
| Online Consulting AG | Wil SG | 20.9.2025 |
| Online Handel Cauševic | St. Margrethen SG | 20.9.2025 |
| Online Holding AG | Wil SG | 20.9.2025 |
| Online Marketing ADS Influencer Ronneberger | Trübbach | 20.9.2025 |
| Online Marketing by Tamino Jakobs | Werdenberg | 20.9.2025 |
| Online Marketing Durrer | Fischingen | 20.9.2025 |
| Online Trading GmbH | Flums | 20.9.2025 |
| Online-Handel Karip | Niederuzwil | 20.9.2025 |
| onlinecraft gmbh | Oberuzwil | 20.9.2025 |
| OnlineDoctor AG | St. Gallen | 20.9.2025 |
| Onlinehandel Skawran | Sargans | 20.9.2025 |
| Onlinehandel Smit | St. Gallen | 20.9.2025 |
| Onlinehandel Weber | Rheineck | 20.9.2025 |
| ONLINESHOP EVA&ADAM, INHABERIN SAGIROSMAN | St. Gallen | 20.9.2025 |
| Onlineshop Grünenfelder | Wangs | 20.9.2025 |
| Onlineshop Marlin Schultz | Mörschwil | 20.9.2025 |
| Onlineshops Frey | Widnau | 20.9.2025 |
| Only Hair Andrea Gratz | Flawil | 20.9.2025 |
| ONLY Stores Switzerland AG | St. Gallen | 20.9.2025 |
| onlyDrive Schweiz AG | Thal | 20.9.2025 |
| Onsemble GmbH | Engelburg | 20.9.2025 |
| Onside Sports Agency - Diego Piceci | Rapperswil SG | 20.9.2025 |
| ontour4you zanga | Mörschwil | 20.9.2025 |
| onuno GmbH | Ebnat-Kappel | 20.9.2025 |
| Onuu GmbH | Rossrüti | 20.9.2025 |
| onvolta AG | St. Gallen | 20.9.2025 |
| onYou GmbH | St. Gallen | 20.9.2025 |
| Onyx Lashes GmbH | St. Gallen | 20.9.2025 |
