| 1-6 Engadine Close (Freehold) Limited | Households | 1999 |
| 11 Chester Road West Development Limited | Real estate | 2021 |
| 116-126 Chichester Road (Freehold) Limited | Households | 1999 |
| 129-151 Turnpike Link (Freehold) Limited | Households | 1990 |
| 152-162 Chichester Road (Freehold) Limited | Households | 1999 |
| 16-63 Holmbury Grove (Freehold) Limited | Households | 2000 |
| 18TH Letter Limited | Real estate | 2018 |
| 21052019 Holdings Limited | Professional & scientific | 2019 |
| 24/7 Tyres on the Go Ltd | Wholesale & retail | 2026 |
| 3 Flow Drainage Ltd | Water & waste | 2018 |
| 3 Flow Drainage Solutions Ltd | Water & waste | 2017 |
| 30-40 Park Hill Rise (Freehold) Limited | Households | 1999 |
| 30-46 Leyburn Gardens (Freehold) Limited | Households | 1990 |
| 37-51 Green Acres (Freehold) Limited | Households | 1999 |
| 3D Planning Design (Maidstone) Ltd | Professional & scientific | 2021 |
| 3D Planning Design (Sidcup & Dorking) Ltd | Professional & scientific | 2023 |
| 3D Planning Design (South London) Ltd | Professional & scientific | 2023 |
| 3D Surveys Consulting Limited | Professional & scientific | 2013 |
| 3RD Dimension CAD Ltd | Professional & scientific | 2017 |
| 3STYLEE Ltd | Information & communication | 2023 |
| 4JD Consulting Limited | Professional & scientific | 2009 |
| 5-33 Chepstow Rise (Freehold) Limited | Households | 1999 |
| 525CD Limited | Construction | 2021 |
| 5GFORMWORK Ltd. | Construction | 2020 |
| 61-66 Green Acres (Freehold) Limited | Households | 1999 |
| 64-81 Holmbury Grove (Freehold) Limited | Households | 2000 |
| 644 Productions Ltd | Information & communication | 2024 |
| 7-18 Coverdale Gardens (Freehold) Limited | Households | 1999 |
| 72-77 Bardsley Close (Freehold) Limited | Households | 2001 |
| 8 Croham Valley Road Limited | Households | 2021 |
| 96 Digital Ltd | Information & communication | 2011 |
| A a Marriott Limited | Wholesale & retail | 2002 |
| A B Risk Support Limited | Financial services | 2019 |
| A B Whittle Family LLP | | 2022 |
| A Best Lodge Limited | Hospitality | 2016 |
| A Davis Electrical Services Ltd | Construction | 2025 |
| A Freeman Electrical Installations Limited | Construction | 2008 |
| A J Autogas Limited | Wholesale & retail | 2015 |
| A One Year Ltd | Education | 2026 |
| A Taylor Electrical Services Ltd | Construction | 2026 |
| A&M Future Wealth Partners Ltd | Real estate | 2025 |
| A-E Projects Ltd | Construction | 2026 |
| A. Campbell Construction Limited | Construction | 1985 |
| A.C.H. Holdings Kent Ltd | Professional & scientific | 2016 |
| A.N.D. Projects LLP | | 2006 |
| A1 Treecare Limited | Administrative & support | 2025 |
| AA Prestige Limited | Wholesale & retail | 2016 |
| Aardvark Surveying Limited | Professional & scientific | 2013 |
| Aath Electrical Ltd | Other services | 2016 |
| Abat London Limited | Construction | 1993 |
| Abbey Farm Blunsdon Management Company Limited | Real estate | 2016 |
| Abbey Metals Distribution Limited | Wholesale & retail | 2016 |
| Abbey Metals Trading Ltd | Wholesale & retail | 2017 |
| Abbeypower Limited | Professional & scientific | 2001 |
| Ability Scaffolding | | 2002 |
| Abode Property Investment Group Ltd | Real estate | 2025 |
| Absolute Creative Print Ltd | Manufacturing | 2010 |
| Absolute KIT Limited | Financial services | 2020 |
| Absolute Military Limited | Professional & scientific | 2019 |
| AC Football Limited | Arts & recreation | 2025 |
| AC Robinson Ventures Limited | Wholesale & retail | 2020 |
| Ace Garden Maintenence Ltd | Administrative & support | 2015 |
| Ace Total Land and Property Limited | Real estate | 2025 |
| Ace Total Tree Work Ltd | Agriculture & fishing | 2017 |
| Acebo International Limited | Wholesale & retail | 2020 |
| Acteamity Limited | Information & communication | 2025 |
| Active Drainage Services Ltd | Water & waste | 2024 |
| ACTIVE4RESEARCH Ltd | Professional & scientific | 2021 |
| Adams & Bowles Wealth Management Ltd | Financial services | 2019 |
| Adams Builders Adaptations Limited | Construction | 2013 |
| Addington Construction Consultants Limited | Professional & scientific | 2025 |
| Addington Green Management Limited | Professional & scientific | 2014 |
| Addington Inns Limited | Hospitality | 2010 |
| Adelfi Studio Limited | Other services | 2025 |
| Adesley Schneider Holdings Limited | Financial services | 2020 |
| Adicci Developments Limited | Construction | 2025 |
| Adicci Limited | Professional & scientific | 2019 |
| Admissible Labs Limited | Information & communication | 2026 |
| Adrian Cole Sales Consultancy Ltd | Professional & scientific | 2016 |
| Adult Secrets Limited | Wholesale & retail | 2025 |
| Advanced Certification Limited | Professional & scientific | 2014 |
| Advanced Tree Solutions Limited | Administrative & support | 2020 |
| ADW Heating and Plumbing Ltd | Construction | 2024 |
| Aedalok Capital Limited | Real estate | 2023 |
| Aerotv Limited | Manufacturing | 2004 |
| AFB Property Developments Ltd | Real estate | 2016 |
| Afkproperties Ltd | Real estate | 2017 |
| Africa Express Line Limited | Transport & logistics | 2001 |
| AG Performance Solutions Limited | Professional & scientific | 2016 |
| Agga Property Management Ltd | Real estate | 2022 |
| Agile Projects & Consulting Ltd | Information & communication | 2019 |
| Aglb Property Ltd | Extraterritorial | 2024 |
| Agnar UK Infrastructure Ltd | Financial services | 2023 |
| AGREE2ACT Ltd | Administrative & support | 2019 |
| Agri SAT International Limited | Wholesale & retail | 2025 |
| Air Design (Kent) Ltd | Construction | 1999 |
| Air Systems Kent Ltd | Construction | 2013 |
| Aircharter World (UK) Limited | Professional & scientific | 1998 |
| Airth Plumbing & Heating Ltd | Construction | 2019 |
| AIT Jetcare Limited | Other services | 2012 |