| The SHARP System | |
| The Sheffield Marketing Co. | |
| The Silver Link Solutions | |
| The Smalls | |
| The Smart Bear Websites and Digital | |
| The Smart Cube | |
| The Smarter Web Company Ltd | |
| The Social Nexus | |
| The Soft-Loft UK | Cornwall |
| The Software Bureau Ltd | |
| The Solution Automotive Ltd | |
| The Sourcing Hub | |
| The Spark Angels | Northamptonshire |
| The Specialists | |
| The Stack World Ltd | |
| The Startup Guys | |
| The Startup Pill | |
| The Startup Race | |
| The Studio & Liverpool Life Sciences UTC | |
| The Studio 4 | |
| The Tech People | |
| The Technology Academy | Hampshire |
| The Telecom Shop | West Sussex |
| The Telegraph | |
| The Timebank | Herefordshire |
| The Tork | |
| The Total Package Ltd | Kent |
| The TRICAPITAL Syndicate, LLP | |
| The UK Web Design Company Ltd | Greater London |
| The Unitel Direct Group | County Durham |
| The Very Good Email Company | Hertfordshire |
| The Very Group | |
| The Virtual Forge Ltd | |
| The Visual Safari Design Group Ltd | |
| The Visual Works | Shropshire |
| The Web Builder | Lincolnshire |
| The Web Bureau Ltd | Belfast |
| The Web Site Hosting Company UK | West Midlands |
| The Web Taylor | Hampshire |
| The Website Company UK Ltd | West Midlands |
| The Website Factory London | Greater London |
| The Website People | South Yorkshire |
| The Websitemen | Devon |
| The Zen Agency | Glasgow |
| thecodebox | |
| theCTO | |
| TheDigitalGene | |
| theEword | Greater Manchester |
| thefullworks Ltd | |
| thefutureworks | |