| Wombat Creative Ltd | Cumbria |
| Wombat Invest Ltd | |
| Women in Tech Festival | |
| Women of Wearables | |
| Wonder Agency | |
| Wonder Media Ltd | |
| Wondercraft AI | |
| Wonderly | |
| Wonderwork Communications Ltd | |
| Woo Digital 360 | Cambridgeshire |
| Wood Creative | South Yorkshire |
| Wood ITC | |
| Wood Mackenzie | |
| Woodgate Computers | |
| Woods and Walker Ltd | |
| Woodstar Software Ltd | |
| Woodstock IT Services Ltd | West Sussex |
| Wool Digital Ltd | Greater Manchester |
| Woord | |
| Wooshii | |
| Wootzano Ltd | |
| Wora Digital | |
| Worcester I.T. Services Ltd | |
| Worcester Web Studio | Worcestershire |
| Wordcraft | Derbyshire |
| Wordnerds | |
| Wordpress Website Builders UK Ltd | Hertfordshire |
| Wordtracker | |
| WordWeb Software | East Sussex |
| WordWeb Software | |
| Wordy Ltd | |
| Work Creative Ltd | South Yorkshire |
| Work In Confidence Ltd | |
| Work in Startups | |
| Workbooks Online Ltd | Berkshire |
| Workbounce | |
| Workerbird | |
| Workflow | |
| Workflow Automation Ltd | Oxfordshire |
| Workflow Solutions | Kent |
| WorkMobile | Greater Manchester |
| Workplace from Meta | |
| Workrush | |
| Works Digital | |
| Worksheet Systems | |
| WorksHub | |
| WorkSmarter Ltd | |
| Worksnug | |
| Workspace Group plc | |
| Workspace Technology Ltd | West Midlands |