| GeoCTRL | |
| Geoinfo Gruppe | Appenzell Ausserrhoden |
| GeoLogix AG | Bern |
| Geoquip Marine Operations AG | |
| Gerber Systems & Networks | Vaud |
| Geste Informatique S.A. | Geneva |
| getAbstract AG | |
| Getunik AG | Zurich |
| GHC GmbH | Lucerne |
| Giano Capital | |
| GIANTS Software GmbH | Zurich |
| Gilgen Logistics AG | Bern |
| Gilytics AG | |
| Ginko Ventures S.à.r.l. | Geneva |
| Givaudan | |
| Gjosa S.A. | |
| gl it GmbH | Glarus |
| Glarner Regionalbank Genossenschaft | |
| Glaronia Informatik AG | Glarus |
| Glarotech GmbH | St. Gallen |
| GliaPharm | |
| GliaPharm | |
| Glion Institute of Higher Education | |
| Global Unit Pay | |
| GLUE Software Engineering AG | Bern |
| GlycoEra AG | Zurich |
| Gmelius Ltd | Geneva |
| GMG GmbH | St. Gallen |
| GMG Supply S.A. | Vaud |
| Gnubiotics Sciences | |
| Go Beyond | Zurich |
| GoBeyond | |
| Goetz Desktop GmbH | Zurich |
| GoldenNet S.A. | Geneva |
| Goldwyn Careers | Zug |
| Golem Factory GmbH | |
| GoMo Unlimited | |
| Gossik AG | |
| Gotham AG | Zurich |
| graphiTIC | Vaud |
| Greenliff AG | |
| GreenoSoil AG | |
| GRiDDS GmbH | Zurich |
| Gritec AG | Grisons |
| Ground Up Project S.A. | |
| Groupe romand des utilisateurs/trices de GNU/Linux et de Logiciels libres | Vaud |
| Groupe T2i S.A. | Valais |
| Groupement des ingénieurs en technologie de l'information | Zurich |
| GS Swiss PCB AG | Schwyz |
| GSInformatique S.A. | Geneva |