| Goji Web | |
| Gold Coast Design Studio | Queensland |
| Gold Coast TechSpace | Queensland |
| Golden Age Media | New South Wales |
| Golden City | Western Australia |
| Golden Goose Digital Pty Ltd | |
| GoldenWeb | |
| GoLogic Group Pty Ltd | Queensland |
| Gomeeki | |
| Good Gear Guide Australia | New South Wales |
| Goodson | New South Wales |
| Goop Digital | |
| Gooroo Technical Services | New South Wales |
| goPassport | Queensland |
| GopherConAU | New South Wales |
| Gore Research Pty Ltd | South Australia |
| Governance Institute of Australia | |
| Governance Manager | |
| Government of South Australia Department for Innovation and Skills | South Australia |
| GoXwide | |
| GPN Vaccines | |
| GPSat Systems Australia Pty Ltd | Victoria |
| GPSoftware | Queensland |
| GR-TEK Computers | New South Wales |
| Graf-X Design Suite | Queensland |
| Grand Pacific CRO | New South Wales |
| Grant Wallis Designs | New South Wales |
| Grantronics Pty Ltd | New South Wales |
| Graphweaver | |
| Gravit | |
| Gravity Challenge | Victoria |
| GRC Solutions | New South Wales |
| Great Minds Consulting Pty Ltd | |
| Green Web Marketing | New South Wales |
| GreenBizCheck | New South Wales |
| GreenCollar | New South Wales |
| Greenhat Services | |
| GreenLight Clinical Pty Ltd | New South Wales |
| Greenlight ITC | New South Wales |
| GreenMoney | |
| GreenOrbit | Victoria |
| Greentram Software Pty Ltd | Victoria |
| Grid Concepts Australia | |
| Gridsight | New South Wales |
| Griffith University | Queensland |
| Griffith University - School of Information and Communication Technology | Queensland |
| Grindstone Creative Pty Ltd | |
| Grok Academy Ltd | |
| GroupLoop.com | Queensland |
| Growth Digital | |