| 1 Property Solutions Group Ltd | Construction | 2023 |
| 1-20 Thistleworth Close Isleworth Limited | Professional & scientific | 2000 |
| 1-30 Kintyre Close RTM Company Limited | Households | 2019 |
| 10 Building Maintenance Ltd | Construction | 2021 |
| 14 Brighton Road (Purley) Residents Company Limited | Households | 2010 |
| 1A Blyth Road RTM Company Limited | Households | 2020 |
| 1PSG Ltd | Construction | 2024 |
| 1ST Glass Windows Limited | Wholesale & retail | 1997 |
| 2-4 Trewsbury Road RTM Company Ltd | Households | 2016 |
| 24-34 Chepstow Road (Freehold) Limited | Households | 1999 |
| 25-36 Green Acres (Freehold) Limited | Households | 1998 |
| 26 Hilltop Road Limited | Households | 2022 |
| 27TH Project Limited | Construction | 2023 |
| 28 Upper Clapton Road RTM Company Ltd | Households | 2020 |
| 296 Leigham Court Road Limited | Households | 1997 |
| 31-38 Kintyre Close RTM Company Limited | Households | 2019 |
| 360INTELLIMATION Ltd | Administrative & support | 2010 |
| 360SHAREHOLDERS Limited | Professional & scientific | 2014 |
| 360SITEVIEW Ltd | Information & communication | 2010 |
| 360VIEWMAX Limited | Professional & scientific | 2005 |
| 39 Oakley Street Management Limited | Households | 1997 |
| 3D Zero Limited | Construction | 2024 |
| 46 Avenue Road Highgate Freehold Company Limited | Real estate | 2021 |
| 46 Renfrew Road RTM Company Limited | Households | 2010 |
| 4:12 MEN Ltd | Other services | 2021 |
| 6 Eldon Park Management Company Limited | Households | 2004 |
| 61 Lawrie Park Road RTM Company Limited | Households | 2019 |
| 68 Reigate Hill (Residents Association) Limited | Households | 1986 |
| 8PM Ltd | Information & communication | 2014 |
| 90 Degree Consulting Limited | Professional & scientific | 2010 |
| 90CLAPRD RTM Company Limited | Households | 2015 |
| A & JR Real Estate Ltd | Real estate | 2024 |
| A to Z Desserts Ltd | Manufacturing | 2024 |
| A&O Studios Limited | Wholesale & retail | 2018 |
| Abacus Accountancy London Limited | Professional & scientific | 2012 |
| Abbey Oaks Limited | Information & communication | 2012 |
| ABS Electrical Solutions Limited | Construction | 2022 |
| Adaram Ltd | Hospitality | 2005 |
| ADW Property Management Limited | Real estate | 2003 |
| AJC Recruitment Group Ltd | Administrative & support | 2021 |
| Albeck Court Limited | Real estate | 1998 |
| Albeck Management Company(Beckenham)Limited | Households | 1971 |
| ALL Prime Services Ltd | Construction | 2025 |
| ALL Things Plumbing Ltd | Construction | 2020 |
| ALS Engineering Ltd | Manufacturing | 2018 |
| Alseamus Limited | Professional & scientific | 2017 |
| Alterativus Limited | Information & communication | 2004 |
| Americo Projects LDA Limited | Professional & scientific | 2010 |
| ANN Summers (Ireland) Holdings Limited | Financial services | 2021 |
| ANN Summers (UK) Holdings Limited | Financial services | 2021 |
| ANN Summers IP Limited | Financial services | 2021 |
| ANN Summers Ltd. | Wholesale & retail | 1971 |
| AO Media Ltd | Information & communication | 2013 |
| Appagante Music Therapy and Music Services Ltd | Health & social care | 2023 |
| Appletree Records Limited | Information & communication | 2023 |
| Aqueous Plumbing & Heating Ltd | Construction | 2010 |
| AR Foresight and Development Ltd | Real estate | 2023 |
| Ar-Rahman Global Ltd | Wholesale & retail | 2024 |
| Ar-Rahman Wellness & Healing Ltd | Wholesale & retail | 2024 |
| Archways Residents' Company Limited | Households | 1997 |
| Argent Limited | Real estate | 2003 |
| Arqitech Solutions Limited | Real estate | 2017 |
| Arreness Ltd | Professional & scientific | 2025 |
| Art Estate Consultancy LLP | | 2013 |
| Art Estate Consultancy Services Limited | Administrative & support | 2017 |
| Arts First CIC | Education | 2011 |
| Ashdown EHS Limited | Administrative & support | 2009 |
| Ashley House (Godstone) Management Company Limited | Households | 2020 |
| Atac Services Limited | Professional & scientific | 2019 |
| Athol Square Management Company Limited | Households | 1990 |
| Autowise Motors Limited | Wholesale & retail | 2023 |
| AVG Inter-Consultancy Ltd | Professional & scientific | 2019 |
| AXD Construction Ltd | Construction | 2024 |
| Azure Worldwide Limited | Professional & scientific | 2007 |
| Azzglobe PVT Ltd | Information & communication | 2015 |
| B.K. Limited | Extraterritorial | 2016 |
| Babajone Kebab Limited | Hospitality | 2023 |
| Bailhache Linton LLP | | 2012 |
| Bakking Ltd | Wholesale & retail | 2025 |
| Balham (Uk)Limited | Real estate | 2004 |
| Barbara Daffner Ltd | Professional & scientific | 2018 |
| Baroque Court Management Limited | Households | 2019 |
| Barters Farm Ltd | Agriculture & fishing | 2026 |
| Beckway Project Solutions Ltd | Professional & scientific | 2020 |
| Beechcroft Close Management Limited | Households | 2003 |
| Beechfield Court (Freehold) Limited | Households | 2000 |
| Beechwood (Block E) Management Company Limited | Households | 1990 |
| Berkshire Road Management Company Limited | Households | 1989 |
| Bgdn Limited | Professional & scientific | 2008 |
| Bingham Motor Co. Ltd. | Wholesale & retail | 2000 |
| Black FOX Management Limited | Arts & recreation | 2013 |
| Blue Shield Security Services Limited | Professional & scientific | 1998 |
| Blue Wave Plumbing Ltd | Construction | 2023 |
| Bluetickelectrics Limited | Construction | 2021 |
| Bookkeeper Cloud Ltd | Professional & scientific | 2015 |
| Botchway Tech Industries Ltd | Information & communication | 2019 |
| Bourne Lodge (Caterham) Residents Association Limited | Households | 2003 |
| Bramleyhyrst Residents Freehold Limited | Professional & scientific | 1992 |
| Bread and Butter Post Productions Limited | Information & communication | 2001 |
| Brede Land Management Limited | Construction | 2015 |