| Wizz Air Hungary Ltd | |
| Women Business Angels | |
| Women Startup Competition | |
| WordPress Magyarország | Budapest |
| Worklifeapp Zrt. | |
| Works. Hungary plc | |
| Woss Kereskedelmi Kft. | Budapest |
| WSH Számítástechnikai | Budapest |
| WST Group | |
| WunderBytes Kft. | |
| X-Ventures Zrt. | |
| Xcopy Kft. | Budapest |
| Xeropan Kft. | Hajdú-Bihar |
| xLabs Kft. | Budapest |
| Xpamac | |
| xVentures | |
| Yettel Magyarország Zrt. | |
| Yigsoft Kft. | |
| Ynet Kft. | Zala |
| Your Profile Management Consulting Group Kft. | Budapest |
| Z-WARE Informatika Kft. | Budapest |
| Zalaszám Informatika Kft. | Zala |
| Zalaware | |
| Zen Heads Kft. | |
| Zen Studios Ltd | Budapest |
| Zengo | |
| Zengo Kereskedelmi és Szolgáltató Kft. | |
| ZeroNet | |
| zMed Zrt. | |
| ZNiTech | |
| Zseron Kft. | Budapest |
| Zuriel Kft. | Budapest |
| Zwoelf | Budapest |
| Zyntern.com Ltd | Budapest |