| smartAI | |
| SmartAsset | Victoria |
| SmartCompany | Victoria |
| Smarter Websites | |
| Smarterapps | |
| SmarterSoft | New South Wales |
| SmartHome Enterprises Pty Ltd | Victoria |
| SmartMove | South Australia |
| Smartnet Pty Ltd | New South Wales |
| SmartrMail Pty Ltd | Victoria |
| SmartRoster | Western Australia |
| SmartSat Cooperative Research Centre | |
| SmartUp | Australian Capital Territory |
| Smartware Corporation Pty Ltd | Queensland |
| Smartways Logistics Holdings Pty Ltd | |
| SmartWin Technology Pty Ltd | Victoria |
| Smartwriter.ai | New South Wales |
| Smartwriter.ai | |
| Smash Delta | New South Wales |
| SMB Consultants | |
| SME Growth Services | |
| SME Solutions | Victoria |
| SMEVentures | |
| Smile I.T. | Queensland |
| Smile Marketing | Western Australia |
| Smithsoft Pty Ltd | Queensland |
| SMS Broadcast | Victoria |
| SMSGlobal Holdings Pty Ltd | Victoria |
| Snaptec Australia Pty Ltd | New South Wales |
| Snare Solutions | South Australia |
| Snobal Pty Ltd | Victoria |
| Snowmicro Pty Ltd | |
| Snowtech Services | Victoria |
| Soar Earth Ltd | Western Australia |
| Soar360 | Victoria |
| Social Broker | |
| Social Connection | Victoria |
| Social Fixation | |
| Social Fox Pty Ltd | |
| Social Innovation Summit | Victoria |
| Social Media Status Pty Ltd | |
| Social Meteor | Western Australia |
| Social Ventures Australia Ltd | |
| Social Whispers | |
| SocietyOne Australia Pty Ltd | New South Wales |
| Socket Software | Queensland |
| Socoro Digital | |
| Soda Digital | New South Wales |
| Soft As It Gets Pty Ltd | Victoria |
| Softection Pty Ltd | New South Wales |