| Vyrtucom | Barcelona |
| W Startup Community | Madrid |
| Wakup | Madrid |
| WalkABit | Barcelona |
| Wallbox Chargers, S.L. | Barcelona |
| Wanaleads Marketing Digital | Sevilla |
| Watchity | Barcelona |
| WatsomApp | Barcelona |
| Way To Success | Madrid |
| Wayra | Madrid |
| Wayra | Madrid |
| Web Design in Marbella | |
| Web Dreams, S.L. | Huesca |
| Web en Madrid | |
| Web Experience | Madrid |
| WebAds Interactive, S.L. | Madrid |
| Webdesign-Mallorca | Balearic Islands |
| Webdesign4Pros | Las Palmas |
| Webempresa20 | Madrid |
| Weber Comunicaciones | Madrid |
| WEBfine, S.L. | Barcelona |
| Webificando | Barcelona |
| Webmaster Barcelona | Barcelona |
| WebMasterVic | Barcelona |
| Webpac | Madrid |
| Webpilots España, S.L. | Barcelona |
| Webpositer | Alicante |
| Webs Catalunya | Barcelona |
| Websdirect, S.L. | Madrid |
| WebsGalicia.es | Pontevedra |
| Websmultimedia | Sevilla |
| Webspreso | |
| Webstyle Mallorca | Balearic Islands |
| Webtools | Madrid |
| WebTranslateIt Software, S.L. | Málaga |
| Webvision | Alicante |
| Weecover | Barcelona |
| Weeduu | Córdoba |
| Wembley Studios | Salamanca |
| Wenea | Madrid |
| Weplan Analytics | Madrid |
| Wetech | Asturias |
| WeWeb | Barcelona |
| WFC Tech Consulting | Málaga |
| Whads | Barcelona |
| Whisbi | Barcelona |
| WhiteBearSolutions | Madrid |
| Wide Eyes Technologies | Barcelona |
| Wideum | |
| Widgetic | A Coruña |