| Pipes of Peace Ltd | Construction | 2025 |
| Placuna Facilities Management Limited | Administrative & support | 2017 |
| PPC Garage Limited | Manufacturing | 2018 |
| Prescott Rail Services Limited | Professional & scientific | 2023 |
| Priory Mews CT7 9AB Ltd | Administrative & support | 2014 |
| PUB Agent Limited | Professional & scientific | 2025 |
| Pywell Ltd | Health & social care | 2022 |
| Quaife Management System Services Ltd | Professional & scientific | 2024 |
| Quality and Regulatory Compliance Solutions Limited | Professional & scientific | 2016 |
| Quantum Peak Marketing Ltd | Professional & scientific | 2026 |
| Queenies Boutique Limited | Wholesale & retail | 2025 |
| R D Hertford Limited | Wholesale & retail | 1993 |
| RC Dennis Ltd | Other services | 2024 |
| RC Property Development and Surveying Ltd | Professional & scientific | 2023 |
| Realsocial Ltd | Professional & scientific | 2024 |
| Regeneration Property UK Limited | Real estate | 2021 |
| Robert Montgomery LLP | | 2007 |
| Rose & MAE Events Ltd | Professional & scientific | 2023 |
| Round Records Limited | Arts & recreation | 2001 |
| Rowan Court Limited | Households | 1989 |
| Rsbh Estate Management (Alexandra) Limited | Real estate | 2011 |
| Rsbh Estate Management (Charlotte) Limited | Extraterritorial | 2011 |
| Rsbh Estate Management (Elizabeth) Limited | Real estate | 2019 |
| Rsbh Estate Management (Sea Bathing Terrace) Limited | Real estate | 2015 |
| Rsbh Estate Management (Victoria) Limited | Real estate | 2011 |
| Rsbh Estate Management Limited | Real estate | 2011 |
| RYM Management Limited | Households | 2017 |
| S&H Takeaway Ltd | Hospitality | 2024 |
| Saltburn Trading Ltd | Other services | 2026 |
| Sandalwood Lodge (Management) Limited | Real estate | 2008 |
| Sarah Hatswell Limited | Administrative & support | 2017 |
| SAS Decorators Kent Limited | Construction | 2022 |
| SBR Online Ltd | Wholesale & retail | 2023 |
| Scottjohnclarke Limited | Construction | 2022 |
| SE Bookkeping Services Limited | Professional & scientific | 2021 |
| Sea Point Birchington Management Co. Limited | Professional & scientific | 2004 |
| Seafoods Kent Ltd | Wholesale & retail | 2024 |
| Selldm Ltd | Wholesale & retail | 2023 |
| Sensusq Ltd | Public administration | 2021 |
| Shillinglaw & Palmer Ltd | Wholesale & retail | 2022 |
| Shiny Frog Cleaning Ltd | Administrative & support | 2024 |
| Shuttered Dreams Limited | Construction | 2017 |
| Simon Charles Safety Consultancy Ltd | Professional & scientific | 2022 |
| Sita Kent Limited | Construction | 2024 |
| SIX Adrian Square Limited | Households | 1996 |
| Size Does Matter Ltd | Other services | 2006 |
| SJC Improvements Ltd | Construction | 2018 |
| Skybel Communications Ltd | Information & communication | 2020 |
| Smart Talent Limited | Arts & recreation | 2011 |
| Soft Exit Studios Ltd | Information & communication | 2026 |
| South East Cooling Solutions Ltd | Manufacturing | 2015 |
| Specialty Underwriting Managers Ltd | Financial services | 1995 |
| SS Hvac Limited | Construction | 2025 |
| ST Mildreds (Block B) Management Company Limited | Households | 2007 |
| ST Nicholas Court Farms Investment Company Ltd | Financial services | 2023 |
| ST. Johns Place (Swalecliffe) Management Company Limited | Real estate | 2006 |
| ST. Nicholas Construction Limited | Real estate | 2004 |
| ST. Nicholas Court Farms Limited | Agriculture & fishing | 2008 |
| Stardens Limited | Health & social care | 2017 |
| Steadfast Productions Limited | Information & communication | 2005 |
| Steam Process Limited | Extraterritorial | 2021 |
| Stephanie T. Management Co. Ltd. | Real estate | 2007 |
| Stone House and Mews Company Limited | Households | 1999 |
| Suitable Choices Limited | Financial services | 2019 |
| Surfplus Sports Ltd | Wholesale & retail | 2017 |
| Swift Commercial Cleaning Ltd | Administrative & support | 2023 |
| Swiftautomation.Ai Ltd | Information & communication | 2023 |
| Tandoori Nite (Birch) Ltd | Hospitality | 2023 |
| Tannery Mews (Canterbury) Management Company Limited | Extraterritorial | 2004 |
| TG1 Holding Ltd | Agriculture & fishing | 2011 |
| Thanet Boilers Ltd | Construction | 2022 |
| Thanet Construction Ltd | Construction | 2025 |
| Thanet Earth Construction Limited | Construction | 2008 |
| Thanet Earth Estates Limited | Real estate | 2008 |
| Thanet Earth Holdings Limited | Wholesale & retail | 2007 |
| Thanet Earth Lettuce Limited | Agriculture & fishing | 2024 |
| Thanet Earth Limited | Wholesale & retail | 2007 |
| Thanet Energy Limited | Energy | 2008 |
| Thanet Food Link Limited | Hospitality | 2013 |
| Thanet Growers Four Investments Limited | Financial services | 2007 |
| Thanet Growers Four Limited | Agriculture & fishing | 2008 |
| Thanet Growers One Limited | Agriculture & fishing | 2007 |
| Thanet Growers Seven Limited | Agriculture & fishing | 2007 |
| Thanet Growers SIX Limited | Agriculture & fishing | 2007 |
| Thanet Growers Three Limited | Agriculture & fishing | 2007 |
| Thanet Recovery Services Limited | Water & waste | 2025 |
| Thatswingseat Ltd | Manufacturing | 2025 |
| THE Angelic Realm Ltd | Health & social care | 2026 |
| THE Bromley Carpenter Limited | Manufacturing | 2025 |
| THE Cattle Yard Ltd | Agriculture & fishing | 2017 |
| THE Farm Energy Partnership LLP | | 2010 |
| THE Fryer Engine Ltd | Hospitality | 2016 |
| THE Irwin Family Limited | Real estate | 2019 |
| THE Llewellyn School and Nursery CIC | Education | 2017 |
| THE Mortgage Oracle Ltd | Financial services | 2025 |
| THE Powell-Cotton Trust | Arts & recreation | 2016 |
| THE Tax Studio Ltd | Professional & scientific | 2017 |
| THE Wheel ALE House Limited | Hospitality | 2014 |
| THE Will Angels Ltd | Public administration | 2019 |
| THE Williams Family Business Limited | Real estate | 2022 |