| Revium | Victoria |
| RewardCo | |
| Rewardle Pty Ltd | Victoria |
| Rezdy | New South Wales |
| Rhipe Ltd | New South Wales |
| Rhombus Solutions | Victoria |
| Rhythm Biosciences | Victoria |
| Rhythm Biosciences Ltd | Victoria |
| Rhythm Digital Pty Ltd | |
| Ribera Solutions Pty Ltd | |
| Ridge Films Corporate Pty Ltd | |
| Ridley College | |
| Rift Software | Western Australia |
| Right Click Capital Management Pty Ltd | |
| Right Lane | Victoria |
| RightTime Technologies | |
| Ripefruit Media | Victoria |
| Rise SEO | |
| Riseweb Pty Ltd | Victoria |
| Rising Software | Victoria |
| Risk Wizard Pty Ltd | Victoria |
| River City Labs | Queensland |
| RiverPitch | Queensland |
| Rivyl | |
| Rize Design | |
| RMIT University | Victoria |
| RMIT University - Computer Science | Victoria |
| RMS Cloud | Victoria |
| Roadnight Web Dynamics | Victoria |
| Roar Local Pty Ltd | New South Wales |
| Robert Walters Australia | New South Wales |
| Robological Pty Ltd | |
| Robotron Group | Victoria |
| Rock Agency | Victoria |
| Rockby | Victoria |
| Rocket Lab Pty Ltd | |
| Rocket Seeder Ltd | Victoria |
| RocketBoots | New South Wales |
| Rockethouse | |
| RODIN Business Solutions | New South Wales |
| ROI Growth Agency | Victoria |
| Rojone Pty Ltd | New South Wales |
| Roland DG Australia Pty Ltd | New South Wales |
| ROM Technologies | New South Wales |
| Rom2Rio Pty Ltd | |
| ROMEO Digital | |
| Ron Savage | Australian Capital Territory |
| Roobix | |
| Roster Portal | Queensland |
| RosterElf Pty Ltd | |