| Biostor Ireland Ltd | |
| Bizcom Ltd | Dublin City Council |
| Blacknight Internet Solutions Ltd | Carlow County Council |
| Blue Face Ltd | Dublin City Council |
| Bluebear Technologies | |
| bluebloc Digital Ltd | Dublin City Council |
| Bluedrop Medical | |
| BNP Paribas Ireland | |
| BNRG Renewables Ltd | |
| Bold Studios | |
| BookingHawk.com | |
| Boundless Technologies Ltd | |
| Bowsy | |
| Boxworks | |
| Bradley: The Brand Agency | |
| BrainPatch.AI | |
| Brainstorm Design | |
| Brand You Creative Agency Ltd | |
| Brandability | |
| Brendan Moran | Dublin City Council |
| BrePco Biopharma Ltd | |
| Bridge Web & Media | |
| Bright Cube | |
| Bright Light | Waterford City and County Council |
| Brightstar Software | Dublin City Council |
| BrightWind | |
| Broadband Speed Checker | Dublin City Council |
| Bronto | |
| Bronway Automation Ltd | Wicklow County Council |
| Brother International Corporation (Ireland) Ltd | Dublin City Council |
| BSO | |
| BT Ireland | Dublin City Council |
| Bubblehub Media Ltd | |
| Business in the Community Ireland | |
| Business IT Solutions | |
| Business Venture Partners | |
| BusinssBrains | |
| Butler Technologies Ltd | |
| Buymie Technologies Ltd | Dublin City Council |
| ByoWave | |
| C Me Online | |
| Cables Online Shop | Cork City Council |
| Cactus | Dublin City Council |
| CaliberAI | |
| Callstats.io | |
| Camba.tv Ltd | |
| Cambrist Ltd | |
| CameraMatics | |
| Cancer Trials Ireland | |
| Candidate Manager Ltd | Dublin City Council |