| RWK Consultancy Ltd | Professional & scientific | 2025 |
| Sales Forth Ltd | Professional & scientific | 2024 |
| Salisbury House Management (Hartfield) Limited | Households | 2006 |
| Sawpit Woods CIC | Administrative & support | 2020 |
| Sensory Guru Limited | Information & communication | 2009 |
| SIR William Mcalpine Limited | Professional & scientific | 2004 |
| Soultuitive Leadership Ltd | Other services | 2015 |
| Stepladder Communications Ltd | Professional & scientific | 2009 |
| Studio 185 Ltd | Professional & scientific | 2019 |
| Stylecharm U.K. Limited | Manufacturing | 1984 |
| Sussex Bookkeeping Limited | Professional & scientific | 2021 |
| Sydserff Bookkeeping Services Limited | Professional & scientific | 2018 |
| Teacherhorizons Ltd | Administrative & support | 2011 |
| THE Busy Bees Cleaning Company Ltd | Administrative & support | 2026 |
| THE Department (South East) Limited | Manufacturing | 2010 |
| THE Engine Room Bar Limited | Hospitality | 2023 |
| THE Gallipot Inn Ltd | Hospitality | 2021 |
| Tiffany Trading Company Limited | | 1982 |
| Tillingham Consulting 1 Ltd | Professional & scientific | 2025 |
| TIM Raikes Frics Ltd | Real estate | 2015 |
| TN7 Architecture and Design Ltd | Professional & scientific | 2025 |
| Tomo Graphics Ltd | Professional & scientific | 2010 |
| Tunbase Limited | Professional & scientific | 1994 |
| United Construction and Trading Limited | Wholesale & retail | 2000 |
| Vector PAY Limited | Administrative & support | 2019 |
| Vector Resourcing (EOT) Limited | Financial services | 2023 |
| Vector Resourcing Holdings Limited | Professional & scientific | 2009 |
| Visure Property LLP | | 2011 |
| Wavetame Technologies Ltd | Manufacturing | 2007 |
| Wayward FZ Ventures Limited | Financial services | 2026 |
| Wayward Liqueurs Ltd | Wholesale & retail | 2025 |
| WE ARE Beyond Limited | Professional & scientific | 2016 |
| Westbound TV Ltd | Information & communication | 2011 |
| Westoll Consulting Limited | Professional & scientific | 2010 |
| Windover Weavers Ltd | Manufacturing | 2024 |