| Migaloo Digital | |
| Mil-Spec Australia Pty Ltd | Queensland |
| Milc Studio | New South Wales |
| Mildura Internet Website Design | Victoria |
| Milkable | |
| Milkbar Digital | |
| Million Hits | |
| Millpost Technologies | Australian Capital Territory |
| Mills Web Design | New South Wales |
| Milnsbridge | New South Wales |
| Mimotopes | Victoria |
| Mimotopes Pty Ltd | |
| Mindesigns | |
| Mindflux | New South Wales |
| Mindscape Asia Pacific Pty Ltd | New South Wales |
| MindVision Interactive | South Australia |
| Minemax | Western Australia |
| Minfos | Victoria |
| Mini Digital | Western Australia |
| Mini-Kits | South Australia |
| Minicode Pty Ltd | |
| Minimum Bio | |
| Minit IT | New South Wales |
| Mint Payments Ltd | New South Wales |
| Mintec Systems | Victoria |
| MIP | New South Wales |
| MIR-AUS Pty Ltd | New South Wales |
| Mirrasoft Pty Ltd | Victoria |
| missiveMEDIA | Australian Capital Territory |
| MIT Services | Australian Capital Territory |
| Mitchell and Brown Communications | Western Australia |
| Mitchell PC Repairs | |
| Mitrade | Victoria |
| Mitrefinch (Aust) Pty Ltd | New South Wales |
| Mity Digital | |
| Mixo | New South Wales |
| MJ Freelancing | New South Wales |
| MJH Group Pty Ltd | Victoria |
| MJWebs | |
| MJWebs Pty Ltd | New South Wales |
| MKTPlace Ventures Pty Ltd | Victoria |
| MLK Marketing | |
| MMR Studio | Victoria |
| Mo Works Creative Agency | |
| Mobiddiction | New South Wales |
| Mobile Computer Geeks Services | |
| Mobile Digital | Queensland |
| Mobile Technologies | Queensland |
| Mobile Techs | Queensland |
| Mobileroo | Victoria |