| Bellside Solutions Ltd | |
| Belmont Communications Ltd | Aberdeenshire |
| Belmonte Business Equipment Ltd | Greater Manchester |
| Below Zero Hosting Ltd | Edinburgh |
| BeMyEye Holdings Ltd | |
| Ben Dodson | Bristol |
| Ben Everard - Web Developer | Somerset |
| Ben Robertson | South Yorkshire |
| Ben Sky Ltd | West Yorkshire |
| Ben Smith Website Design | Bristol |
| Ben Stokes Marketing | Staffordshire |
| Benchmark Capital Ltd | |
| Benchmark Software Ltd | |
| Benchmarq Ltd | West Sussex |
| Bentley Walker Ltd | Hampshire |
| Bento Bioworks Ltd | |
| Bergo | Inverclyde |
| Beringar Ltd | |
| Bertey Ltd | |
| Berwick Partners | |
| Berwick-upon-Tweed Telecommunications Ltd | |
| Bespoke Computing Ltd | Shropshire |
| Bespoke Computing Ltd | |
| Bespoke Digital Ltd | |
| Bespoke Internet Ltd | Lancashire |
| Bespoke Software Development Ltd | |
| Best Web Design London | Greater London |
| Best4Systems | West Sussex |
| BestSEO4u Digital Agency | |
| BestStartup.asia | Greater London |
| BestStartup.eu | |
| Betasoft Ltd | |
| Betelguise Web Design | Shropshire |
| Bethnal Green Ventures | |
| BettaPages | |
| Better Brand Agency Ltd | |
| Better Origin | |
| Better Origin | |
| Better-IT | |
| Better.co.uk | |
| BetterBox | Buckinghamshire |
| BetterProposals.io | |
| BetterWebSpace | Leicestershire |
| Bexley Internet Solutions Ltd | Kent |
| Beyond Ideas | Hampshire |
| Beyond Labs Ltd | |
| Beyond Metrix Ltd | Bristol |
| Beyond the Web | Hampshire |
| Beyonder | Greater London |
| BeyondMath Ltd | |