| SRJ Trading Limited | Wholesale & retail | 2007 |
| ST David's Cranbrook Ltd | Professional & scientific | 2013 |
| ST Horizon Ltd | Education | 2024 |
| Staplehurst Chemists Limited | Real estate | 1962 |
| Staplehurst Pharma Ltd | Wholesale & retail | 2023 |
| Star Media Services Limited | Information & communication | 1997 |
| Stara Estates Limited | Real estate | 2024 |
| Starstart Ltd | Hospitality | 2022 |
| Stationery Express UK Ltd | Wholesale & retail | 2009 |
| Steam Main Limited | Information & communication | 2013 |
| Steam Technology Ltd | Administrative & support | 2019 |
| Stefania's M Ltd | Hospitality | 2024 |
| Still Life Design Limited | Professional & scientific | 2022 |
| Stirlinghr Limited | Administrative & support | 2018 |
| Stone PIT Meadows Ltd | Hospitality | 2022 |
| Story and Brand Ltd | Information & communication | 2021 |
| Strathdon Real Property Limited | Real estate | 2013 |
| Strathdon Reversionary Investments Limited | Real estate | 2020 |
| Studio Erskine Limited | Manufacturing | 2013 |
| Style My Home Consultancy Limited | Professional & scientific | 2014 |
| Style My Home Limited | Professional & scientific | 2005 |
| SU Solutions Ltd | Wholesale & retail | 2024 |
| Super Lubrication Ltd | Professional & scientific | 2024 |
| Sussex Bowel Surgeon Limited | Health & social care | 2020 |
| Sussex Construction Ltd | Construction | 1995 |
| Sustainable Print Limited | Manufacturing | 2020 |
| Suzana Enterprises Ltd | Wholesale & retail | 2024 |
| Swasam Limited | Wholesale & retail | 2023 |
| Swattenden Business Park Ltd | Real estate | 2022 |
| Sycamore Managed Funding Ltd | Financial services | 2023 |
| Syntactica Ltd | Manufacturing | 2021 |
| T J Restorations Limited | Construction | 2018 |
| T W Ogden Ltd | Construction | 2021 |
| Tacit Blue Limited | Information & communication | 2004 |
| TAG Instantprint Limited | Manufacturing | 1969 |
| Taildraggers Limited | Administrative & support | 2000 |
| Take the Family Limited | Administrative & support | 2003 |
| Talk House Limited | Financial services | 2024 |
| Tambour House Limited | Professional & scientific | 2017 |
| Tarata Estates Limited | Real estate | 1973 |
| TAT & Grumble Ltd | Wholesale & retail | 2023 |
| Tatra Projects Limited | Construction | 2019 |
| Taylor & Goode Motors Limited | Wholesale & retail | 2025 |
| Taywell Farm Shop Limited | Wholesale & retail | 2020 |
| Taywell Services Limited | Professional & scientific | 2002 |
| Tdmpartners Ltd | Professional & scientific | 2011 |
| TE AWA Consulting Ltd | Professional & scientific | 2024 |
| Te&M Limited | Professional & scientific | 2017 |
| Teknikin Ltd | Professional & scientific | 2014 |
| Tentenfifteen Limited | Professional & scientific | 2020 |
| Test Methods Limited | Information & communication | 2003 |
| Thames & Kosmos UK LP | | 2014 |
| THE Administrator International Limited | Administrative & support | 2018 |
| THE Association of Pole-Lathe Turners & Green Woodworkers Limited | Other services | 2009 |
| THE Attwood Education Foundation | Education | 2012 |
| THE Barracks Residents Management Company Limited | Administrative & support | 2015 |
| THE Bathroom Collective Ltd | Wholesale & retail | 2026 |
| THE Bearing Specialists Ltd | Wholesale & retail | 2024 |
| THE Bespoke Sign House Ltd | Professional & scientific | 2021 |
| THE Boiler MAN (Kent) Limited | Other services | 2005 |
| THE Bull Inn Rolvenden Limited | Hospitality | 2011 |
| THE Car SPY Limited | Professional & scientific | 2009 |
| THE Coomes Sandhurst Management Company Limited | Real estate | 2014 |
| THE Creative Joinery & Design Company Limited | Manufacturing | 2002 |
| THE Douglas Partnership (UK) Ltd | Administrative & support | 2001 |
| THE Dulwich School Cranbrook | Education | 2017 |
| THE Esential Theatre Company CIC | Arts & recreation | 2022 |
| THE Floor Lamp Company Ltd | Wholesale & retail | 2018 |
| THE Interior Shutter Company Limited | Wholesale & retail | 2015 |
| THE JIM Henson Company Limited | Information & communication | 1978 |
| THE Johnson Investment Group Limited | Administrative & support | 2025 |
| THE Keys Management Company Limited | Real estate | 2012 |
| THE Lane Projects Ltd | Arts & recreation | 2025 |
| THE Lighting Company Ltd | Wholesale & retail | 2019 |
| THE Linen Ladder Ltd | Extraterritorial | 2019 |
| THE Little Green Energy Company Limited | Construction | 2010 |
| THE Little Old Toll House Ltd | Manufacturing | 2021 |
| THE Living Forest Limited | Agriculture & fishing | 1998 |
| THE Mint PUB Company Limited | Hospitality | 2013 |
| THE Mulberry Tree Coffee Shop Limited | Hospitality | 2011 |
| THE Old Parsonage Management Company Limited | Real estate | 2023 |
| THE Ormiston Trust | Health & social care | 2015 |
| THE Paula Bolton Collection Limited | Wholesale & retail | 2002 |
| THE Pendant Light Company Ltd | Wholesale & retail | 2017 |
| THE Pixel Farm Limited | Information & communication | 2002 |
| THE Pluckley Brick Company Ltd | Manufacturing | 2014 |
| THE Pretty Little House Company Limited | Administrative & support | 2009 |
| THE Pure Meat Company Limited | Administrative & support | 2017 |
| THE Table Lamp Company Ltd | Wholesale & retail | 2018 |
| THE Table Light Company Limited | Wholesale & retail | 2016 |
| THE Terrace Room Company Ltd | Other services | 2020 |
| THE Three Chimneys Limited | Hospitality | 2006 |
| THE Thrive Hub Collective Limited | Health & social care | 2026 |
| THE Truffle Orchard Ltd | Agriculture & fishing | 2022 |
| THE Wall Lighting Company Limited | Wholesale & retail | 2014 |
| THE Weald Home Veterinary Services Ltd | Professional & scientific | 2025 |
| THE Well-Tempered Garden Limited | Administrative & support | 2000 |
| THE Wright Way Commercial Decorators Ltd | Construction | 2023 |
| Theramed Limited | Professional & scientific | 2014 |
| These Girls CAN DO Ltd | Professional & scientific | 2017 |