| Joulia S.A. | |
| Jowamedia | Neuchâtel |
| JP Services | Neuchâtel |
| jr-design.ch GmbH | Aargau |
| Jua.ai AG | |
| Jur AG | |
| Juvabis AB | |
| K-Team Corporation | Vaud |
| K-Webs GmbH | Basel-Stadt |
| K55 GmbH | Zurich |
| Kabelfernsehen Bödeli AG | Bern |
| Kadoa | |
| Kaduu AG | |
| Kalaidos Fachhochschule | Zurich |
| Kandou Bus S.A. | |
| Kandou Bus S.A. | |
| Kapaw Media | |
| KAPSLY Ventures | |
| Karda Genomics | Zurich |
| Kauz Informatik Medien AG | Lucerne |
| Keel Marktideen AG | St. Gallen |
| Kelag Kuenzli Elektronik AG | Zurich |
| Keleops AG | |
| Keller & Dürr Kassensysteme AG | St. Gallen |
| Keller Electronic GmbH | St. Gallen |
| Kenes Group | |
| Kentec GmbH | Zug |
| Kern Concept AG | Appenzell Ausserrhoden |
| Kesako Internet Solutions | Vaud |
| KeyCDN | |
| Kickoff Media S.à.r.l. | Neuchâtel |
| Kickstart Innovation | |
| KickTheMap | |
| Kido Dynamics | |
| Kinarus Therapeutics Holding AG | |
| KingX Consulting GmbH | Zurich |
| KISS Technologies GmbH | Zurich |
| KISSoft AG | Zurich |
| Klarpay AG | |
| Kleap | |
| Klewel S.A. | |
| Klink GmbH | Bern |
| Kloon GmbH | Zug |
| KMD-Design GmbH | Zurich |
| KMS AG | Lucerne |
| KMU- InternetDienste | St. Gallen |
| Knime AG | Zurich |
| Kniv-Web GmbH | St. Gallen |
| Koa Switzerland AG | |
| Koelliker Büroautomation AG | Vaud |