| The Digital Age | |
| The Digital Boutique | |
| The Digital Branding Company | |
| The Digital Network | |
| The Distance | |
| The DM Lab | |
| The DON Solutions Ltd | |
| The DonElec Group | West Yorkshire |
| The Drum | |
| The Easy Website Company | |
| The Edinburgh Recruitment Agency | |
| The Energy Cell Studio | Lincolnshire |
| The Energy Network | |
| The Engineer | |
| The Entrepreneurs Network (TEN) Ltd | |
| The EPOS Store | North Yorkshire |
| The Ethical Graphic Design Company Ltd | Somerset |
| The Europas Tech Startup Awards | |
| The EuroTech Group plc | Devon |
| The Family (Holdings) Ltd | Greater London |
| The Fintech Times | |
| The Fusion Works | Cambridgeshire |
| The Future Fox | |
| The Game Collection | |
| The Game Creators Ltd | |
| The Global Group | Dorset |
| The Goffin Consultancy Ltd | |
| The Great Magnet Ltd | |
| The Greenhouse London | |
| The Grey Matters | Buckinghamshire |
| The Hatchery Ltd | Kent |
| The HBP Group | Lincolnshire |
| The Headset Company UK Ltd | Gloucestershire |
| The Helpful Book Company Ltd | Cumbria |
| The Hiring Hub Ltd | |
| The Holt Partnership Ltd | Hertfordshire |
| The Hoxton Mix Ltd | |
| The Hub Branding Consultancy Ltd | Glasgow |
| The Human Tech Agency | |
| The IDCO Ltd | |
| The iirth Company | |
| The Imaginaire Online Ltd | |
| The Independent | |
| The Infinite Loop | |
| The Information Lab | |
| The Instant Group | |
| The Institution of Engineering and Technology | |
| The Inter Group | |
| The Internet Design Co. | |
| The Inventory Manager | Merseyside |