| Warp VR | Utrecht |
| Water Campus Leuwarden | Friesland |
| Watermelon | |
| Watermelon | |
| Watermelon B.V. | Utrecht |
| Wattsun | |
| WAVE Distributie | South Holland |
| Wave Energy Collective B.V. | |
| Wazda-IT Solutions | Overijssel |
| WCC Group B.V. | Utrecht |
| WDH Work Deployment Holland | North Holland |
| We Brand Creative | |
| We Like IT | |
| WE.VESTR | North Holland |
| WeAreBrain | North Holland |
| Weaver | |
| Weaviate B.V. | |
| Web Chemistry | Utrecht |
| Web Space Reseller Services | Utrecht |
| Web-effect | South Holland |
| Web-Pepper | North Brabant |
| Web2Host | Overijssel |
| WebAds B.V. | North Holland |
| WebAudit Nederland | North Holland |
| Webbilling.com B.V. | Limburg |
| Webbio | |
| Webboy | South Holland |
| Webchemie | Gelderland |
| Webcircuit | South Holland |
| WebCiters | South Holland |
| Webcrafter | |
| Webdesign Nijmegen Company | Gelderland |
| Webdesign Sittard | Limburg |
| Webdesign Stunter | North Holland |
| Webdesigners | |
| Webdorado Networks | South Holland |
| Webeet | |
| WebFactor B.V. | Groningen |
| WebGenerator | Flevoland |
| WebHare | Overijssel |
| WebHostingTalk Nederland | North Holland |
| Webkracht | North Brabant |
| Webkracht | |
| Webleads | |
| Weblink.nl | |
| Webmapper | |
| Webmonnik.nl | |
| WebNL | South Holland |
| WebNomad | |
| Weboriginals | North Holland |