| Euronet Magyarország Informatika Zrt. | Budapest |
| European Institute of Innovation and Technology | Budapest |
| Euroventures | |
| Euroventures.hu | |
| EVA | |
| EVA Vision Ltd | |
| Everit Kft. | |
| Everprove Solutions Ltd | |
| EvoAId Kft. | |
| Evolution Consulting | |
| Evopro Systems Engineering Kft. | Budapest |
| evosoft Hungary Kft. | Budapest |
| Exact Solutions Kft. | Budapest |
| exPanda Számítástechnikai Kft. | Budapest |
| Externet Nyrt. | Budapest |
| Extreme Digital Zrt. | Budapest |
| F & K Soft Bt. | Budapest |
| Fabio Bt. | Budapest |
| FaduwArt Bt. | Budapest |
| Falcon-Soft Fejlesztő és Tanácsadó Kft. | Budapest |
| Falcon-Vision Zrt. | |
| FaXuniL Kft. | Budapest |
| Ferling Webline | Baranya |
| Fiberhost-Plus Kft. | Hajdú-Bihar |
| Fiedler Capital | |
| Filter:max Kft. | Budapest |
| Finatech Capital Befektetési Alapkezelő Zrt. | |
| Finext | |
| Fintechlab | |
| FintechX Technologies Ltd | Budapest |
| FIT Számítástechnika Kft. | Bács-Kiskun |
| Fitpuli | |
| Flashpoint | Budapest |
| Flaxcom Holding Zrt. | Budapest |
| Flexium ERP | Budapest |
| Fluart Innovative Vaccines | |
| Flynet | Pest |
| Fókusz Computer Kft. | |
| Fonet | Budapest |
| Forint-Soft Kft. | |
| Formax | Budapest |
| Formula/400 Kft. | Budapest |
| Forró Drót Kft. | Baranya |
| Fotexnet Kft. | Budapest |
| Freedom-Tech Informatika Kft. | |
| FreeSoft, Inc. | Budapest |
| Further Digital Solutions | Budapest |
| Futureweb Design | Budapest |
| FX Software Zrt. | Budapest |
| G.Telecom Kft. | |