| S D B a Medicals Limited | Health & social care | 1999 |
| S4RA Ltd | Real estate | 2021 |
| SA Fitness Holdings Limited | Financial services | 2017 |
| SEN Management Ltd | Professional & scientific | 1999 |
| Shortcut Club Limited | Information & communication | 2016 |
| Simpson Brickwork Conservation Limited | Construction | 2003 |
| ST. James Court Residents Association Limited | Households | 1986 |
| Sun KUM Shan Limited | Extraterritorial | 1974 |
| SW Corporate Services Ltd | Other services | 1995 |
| Tech-Pet Limited | Extraterritorial | 1996 |
| TEN Acre Developments Limited | Real estate | 2014 |
| TEN66 Construction Ltd | Construction | 2017 |
| THE Indigo Press Publishing Limited | Information & communication | 2017 |
| THE Marsh Agency Limited | Administrative & support | 2000 |
| THE Pizza Spot Limited | Wholesale & retail | 2002 |
| Then Consult Limited | Professional & scientific | 2000 |
| Throgmorton Legal Services Limited | Professional & scientific | 2016 |
| Trinit Talent Ltd | Administrative & support | 2020 |
| Tyler's Yard (Blackheath) Limited | Households | 1965 |
| Vital Statistics Data Limited | Construction | 1998 |
| Vital Statistics Limited | Information & communication | 2005 |
| Webbe International (Asia) Limited | Administrative & support | 1997 |
| Westco Commodities Limited | Wholesale & retail | 2003 |
| White Oak Transport Services Limited | Construction | 1969 |
| Wisemed Limited | Real estate | 2002 |
| Woolwich Music CIC | Education | 2025 |
| World Forum Disrupt Ltd | Administrative & support | 2015 |
| Zaks Limited | Construction | 2002 |