| Webtrade Website Design | South Dublin County Council |
| webworkhouse | Cork City Council |
| Wedgeville Ltd | Fingal County Council |
| Weev | |
| West Way Health | |
| WestBIC | |
| Western Automation | Galway County Council |
| Western Edge Medical Communications | Dublin City Council |
| Western Webs | |
| WestLAN Solutions | Limerick City and County Council |
| WGNSTAR | |
| Wia Technologies Ltd | |
| Willows Consulting | Dublin City Council |
| Wireless Connect | Dublin City Council |
| Wiztec Ltd | Fingal County Council |
| Wolfgang Digital | Dublin City Council |
| Wolk Software Ltd | |
| Workvivo Ltd | |
| X Communications | |
| Xerotech | |
| XFuel | |
| XOCEAN Ltd | Louth County Council |
| Xpanse Analytics Ltd | |
| Xtremepush | |
| Xunison | |
| Yellow Schedule | |
| Yield Lab Europe | |
| Yokweb | Dublin City Council |
| Yourweb | Carlow County Council |
| Zamano | Dublin City Council |
| Zariot | |
| Zartis.com | Dublin City Council |
| ZedWeb Design | Kildare County Council |
| Zenith Technologies | Cork City Council |
| ZeroDays | |
| Zeus Scooters | |
| Zeus Technologies | Dublin City Council |
| Zinon IT Solutions | |
| Zintek | South Dublin County Council |
| Zipp Mobility | |
| Zone Brand | Dublin City Council |
| ZOO | |
| Zorin Group | |
| Zorin OS | Dublin City Council |
| Zyte Group Ltd | |