| Name | Region |
|---|---|
| UX LLC | |
| VanOnGo | |
| VeebiStudio | Harju |
| Velmio OÜ | Harju |
| Vendomar OÜ | Harju |
| Veriff | |
| Vertex Estonia AS | Harju |
| Vespia OÜ | |
| VinChain OÜ | |
| Virtuaal.com | Harju |
| Virtual Building | |
| VMK Tarkvara OÜ | Harju |
| Vocal Image OÜ | |
| Voicecom OÜ | Harju |
| Voog | |
| Voxloud OÜ | |
| Vscoped | |
| VT Labs | Harju |
| Vumonic Datalabs | |
| Walks In Europe | |
| Wallester AS | |
| Warren | |
| WaveCom AS | Harju |
| Webcraft OÜ | |
| Webware OÜ | Harju |
| Weekdone | Tartu |
| Werk IT OÜ | |
| Wert | |
| What the Flutter OÜ | |
| Wisnio | |
| Wordmark OÜ | |
| WriteMe.ai | |
| WTT Solutions | |
| WunderAds | Harju |
| X-Road | |
| Xappfactory | |
| xChange AS | |
| Xolo OÜ | Harju |
| Xysum | Harju |
| Y-Productive | |
| Yanu | Harju |
| YEInternational AS | Harju |
| Yera | |
| Yorso Europe OÜ | |
| Zam.io | |
| Zangll | |
| Zaproo | Harju |
| Zeew OÜ | |
| Zero Media | Harju |
| Zeroconf OÜ |