| Vmark Group | Madrid |
| Vodafone España, S.A.U. | Madrid |
| Voicemod, S.L. | Valencia |
| Voiceware Nubeum, S.A. | Madrid |
| Voicit | |
| VoIP Futura | Madrid |
| Volcanic | Girona |
| Vonzu | |
| Voodoo Marketing, S.L. | Málaga |
| Vottun, S.L. | Barcelona |
| Voxel | Barcelona |
| VozTelecom Sistemas, S.L. | Barcelona |
| VRMADA | Madrid |
| VT-Lab | |
| Vudumedia | Biscay |
| Vyrtucom | Barcelona |
| W Startup Community | Madrid |
| w3 research Quality Assurance | |
| Wakup | Madrid |
| WalkABit | Barcelona |
| Wallbox Chargers, S.L. | Barcelona |
| Wanaleads Marketing Digital | Sevilla |
| Watchity | Barcelona |
| WatsomApp | Barcelona |
| Wattwin, S.L. | |
| Wave App, S.L. | |
| Way To Success | Madrid |
| Wayra | Madrid |
| Wayra | |
| WBASE | |
| We Are Cactus, S.L. | |
| We Are FLOC, S.L. | |
| WeAreCrudo, S.L. | |
| Web Design in Marbella | |
| Web Design Valia Solution | |
| Web Dreams, S.L. | Huesca |
| Web en Madrid | |
| Web Experience | Madrid |
| Web Low Cost BCN | |
| Web4Bio | |
| Web93 BCN, S.L. | |
| WebAds Interactive, S.L. | Madrid |
| Webbing Online | |
| Webbity | |
| Webdesign-Mallorca | Balearic Islands |
| Webdesign4Pros | Las Palmas |
| Webempresa20 | Madrid |
| Weber Comunicaciones | Madrid |
| WEBfine, S.L. | Barcelona |
| Webificando | Barcelona |