| Rhodes & Rhodes Consult Limited | Professional & scientific | 2014 |
| Rift Consulting Limited | Professional & scientific | 2026 |
| Roof-Tech 2000 Limited | Professional & scientific | 1987 |
| SCM Events Limited | Other services | 2021 |
| Ski-Ing Imports (G.B.) Limited | Administrative & support | 1973 |
| Skyrodema Ltd | Construction | 2018 |
| Smile BE Happy Limited | Other services | 2025 |
| Smile BE Healthy Limited | Other services | 2021 |
| Stickleback Corporation Ltd | Information & communication | 2002 |
| Stripp Properties Ltd. | Real estate | 2018 |
| Tangle Works Ltd | Professional & scientific | 2023 |
| THE BEE Educational Co Ltd | Education | 2020 |
| THE Carshalton Water Tower and Historic Garden Trust | Arts & recreation | 2001 |
| THE Collaboration Consultancy Limited | Professional & scientific | 2018 |
| THE Luxur Group Ltd | Transport & logistics | 2016 |
| THE Mighty PIE Creative Studio Ltd | Information & communication | 2019 |
| Thirty Seven Gloucester Street Limited | Real estate | 2006 |
| Thoonsen Limited | Administrative & support | 2021 |
| Three Eccleston Square Freehold Limited | Households | 2003 |
| THREE60 Limited | Wholesale & retail | 1999 |
| Trace Consult Limited | Professional & scientific | 2008 |
| Treasure CAY Phoenix Limited | Other services | 2020 |
| Trimo UK Limited | Administrative & support | 2001 |
| Unilink Finance Limited | Financial services | 1989 |
| Uplifting Home Rentals Ltd | Real estate | 2023 |
| Urban Study Ltd. | Real estate | 2015 |
| Vinco Wealth Management Limited | Financial services | 2013 |
| WE ARE Facility Limited | Wholesale & retail | 2004 |
| XL and DK Limited | Health & social care | 2017 |
| Yvon House Limited | Real estate | 2017 |