| Beanhunter Pty Ltd | |
| Bear Marketing | |
| Beech Agency | |
| Beforepay Group Ltd | New South Wales |
| Beige | Victoria |
| BeKonstructive Marketing | |
| Bellarine Mac User Group | Victoria |
| Bellsoft Technologies | New South Wales |
| Benchmark Global Pty Ltd | New South Wales |
| Bendigo Telco Ltd | Victoria |
| Bento | |
| BeOnTop.com | |
| Bermont Digital Pty Ltd | |
| BES IT Systems | Queensland |
| Best Deal 4 U Computers & I.T. Pty Ltd | Queensland |
| Best Practice Software | Queensland |
| Best Telecom Group | Queensland |
| Beta Launch | |
| Better Software Pty Ltd | South Australia |
| BEVIN Creative Pty Ltd | |
| Beyond Drug Development Pty Ltd | |
| Beyond Essential Systems Pty Ltd | Victoria |
| Beyond Himalaya Tech | |
| Beyondedge | Victoria |
| BFJ Digital | |
| BG Tech | |
| BGL Corporate Solutions Pty Ltd | Victoria |
| BHL Software | New South Wales |
| Big Head Digital | Western Australia |
| BigDataCloud Pty Ltd | South Australia |
| BigPulse Voting Pty Ltd | New South Wales |
| Bigstone | New South Wales |
| BigTurnHR | New South Wales |
| Biko Technologies Pty Ltd | New South Wales |
| Bill Hero Holdings Pty Ltd | |
| Billboard Online | |
| Billigence | |
| Binary IT | |
| Binary Ninja | |
| Binary Studio Pty Ltd | New South Wales |
| BinaryLane | |
| biNu Pty Ltd | New South Wales |
| Bio Molecular Systems | |
| Bioair Pty Ltd | |
| BioCina | South Australia |
| BioDiem Ltd | Victoria |
| BiomeBank | |
| Biometix Pty Ltd | New South Wales |
| Biometrics Institute Ltd | New South Wales |
| Bionomics Ltd | South Australia |