| 1-6 Redwood Close RTM Company Limited | Households | 2020 |
| 10 Vicarage Road Bexley RTM Company Ltd | Households | 2017 |
| 102 Lettings Ltd | Real estate | 2021 |
| 11 Plus Prep School Ltd | Education | 2025 |
| 13-21 Linden Court RTM Company Limited | Real estate | 2015 |
| 138 Management Limited | Other services | 2007 |
| 16 Highview Road (Sidcup) Maintenance Limited | Households | 1970 |
| 235 Freehold Limited | Households | 2011 |
| 246 Watling Street Management Limited | Households | 2024 |
| 24TRAINKENT Ltd | Arts & recreation | 2026 |
| 31 Cumberland Road (Bromley) Flat Maintenance Limited | Households | 1971 |
| 360 Visionary Projects Limited | Professional & scientific | 2025 |
| 369 Watch Parts Ltd | Wholesale & retail | 2024 |
| 3C Logistics Ltd | Transport & logistics | 2019 |
| 3KY Freehold Limited | Households | 2023 |
| 3KY Mayfair Limited | Construction | 2022 |
| 3S Media Limited | Information & communication | 2015 |
| 423 Blackfen Road (Sidcup) Management Limited | Real estate | 1995 |
| 4RN Itkonsult Limited | Information & communication | 2011 |
| 4TFY Ltd | Administrative & support | 2012 |
| 54-63 Acacia Way RTM Company Ltd | Households | 2019 |
| 5STAR Electricals, Plumbing & Heating Ltd | Construction | 2025 |
| 64 -73 Acacia Way RTM Company Ltd | Households | 2019 |
| 7 Hatherley Road Management Company Limited | Households | 2018 |
| 72 Cromwell Road Limited | Households | 2026 |
| 777 Solutions Limited | Information & communication | 2022 |
| 9 & 11 Hatherley Road Management Company Limited | Households | 2017 |
| 996 Audio Limited | Information & communication | 2008 |
| A & M Property Services (Kent) Ltd | Real estate | 2004 |
| A & M'S Limited | Education | 2007 |
| A Class Fire Protection Services Limited | Public administration | 2013 |
| A J Cellar Limited | Wholesale & retail | 2012 |
| A J Chatham Waters Ltd | Wholesale & retail | 2024 |
| A J Croft Ltd | Wholesale & retail | 2022 |
| A J Food Stores Limited | Wholesale & retail | 2017 |
| A J Gosport Ltd | Wholesale & retail | 2024 |
| A J Leyden Megamart Ltd | Wholesale & retail | 2025 |
| A J Property Hub Ltd | Wholesale & retail | 2023 |
| A J Walcott Ltd | Wholesale & retail | 2024 |
| A J Woolston Ltd | Wholesale & retail | 2023 |
| A L Haine Plumbing & Heating Limited | Construction | 2012 |
| A Martin Kuczmarski Company Ltd | Hospitality | 2022 |
| A Plus Training Ltd | Construction | 2018 |
| A R Payne (Autos) Limited | Wholesale & retail | 1984 |
| A W Services (SE) Ltd | Other services | 2020 |
| A&A Property Connections Limited | Real estate | 2022 |
| A-Type VIP Ltd | Administrative & support | 2026 |
| A-Z Builders Ltd | Construction | 2019 |
| A.R.E Bespoke Ltd | Professional & scientific | 2019 |
| AA Med-E-Volve Ltd | Information & communication | 2024 |
| AAA Pro Services Ltd | Administrative & support | 2023 |
| AAK Facade Solutions Ltd | Construction | 2025 |
| Aardvark Building Solutions Ltd | Construction | 2022 |
| Aasb Consulting Ltd | Information & communication | 2019 |
| Aasb Properties Ltd | Real estate | 2020 |
| Aaskia Ltd | Information & communication | 2025 |
| Abbey M Services Ltd | Health & social care | 2017 |
| Abei Roofing Limited | Construction | 2026 |
| Abgt Limited | Construction | 2019 |
| Abintra Limited | Professional & scientific | 2001 |
| Ablair & Co. Limited | Construction | 1959 |
| ABP Openshaw Homes Ltd | Construction | 2022 |
| ABX Consulting Limited | Information & communication | 2025 |
| AC Carpentry Limited | Administrative & support | 2017 |
| AC Wealth Solutions Limited | Financial services | 2011 |
| ACB Trans Ltd | Transport & logistics | 2021 |
| Accountants Insure Services Limited | Professional & scientific | 2024 |
| Ace Recruitment (UK) Ltd | Extraterritorial | 2006 |
| Acek London Ltd | Manufacturing | 2025 |
| ACM Accounts Ltd | Professional & scientific | 2025 |
| ACR International Mobility Limited | Transport & logistics | 2014 |
| Adam Daniel Limited | Construction | 2021 |
| Adams Accountancy (Bexley) Limited | Professional & scientific | 2015 |
| Adapt Haulage Ltd | Transport & logistics | 2026 |
| Adaptive Estate Limited | Real estate | 2018 |
| Adaptive Pocket Limited | Real estate | 2019 |
| Adaptive Scope Limited | Information & communication | 2017 |
| Adderley Property Trading Ltd | Construction | 2021 |
| ADE GAS & Heating Services Limited | Construction | 2017 |
| Adecon Group Ltd | Financial services | 2023 |
| Aden Security Locksmiths Limited | Administrative & support | 2005 |
| ADI Building Contractors Ltd | Construction | 2023 |
| Adinkra International Care and Cleaning Company Limited | Health & social care | 2026 |
| Adminpoint Limited | Professional & scientific | 2001 |
| ADO Holdings Limited | Other services | 2018 |
| ADS Furnishings Ltd | Administrative & support | 2007 |
| Aequitas Business Advisory Ltd | Administrative & support | 2023 |
| Affordable Housing 106 Limited | Professional & scientific | 2013 |
| AGB Legal Limited | Professional & scientific | 2021 |
| Agilexi Ltd | Information & communication | 2011 |
| Agnrobert Healthcare Services Ltd | Health & social care | 2014 |
| Ahimsa Medical Services Limited | Health & social care | 2014 |
| Aimear Ltd | Real estate | 2024 |
| Aimie G Coaching Ltd | Arts & recreation | 2025 |
| Airia Limited | Real estate | 2019 |
| Airsense Building Services Limited | Real estate | 2019 |
| Airsense Mechanical Services Limited | Construction | 2017 |
| Aixter & Co Ltd | Information & communication | 2025 |
| AJ Aveley Ltd | Financial services | 2020 |
| AJ Business Consultancy Ltd | Professional & scientific | 2019 |