| (S)Thetics VM Limited | Other services | 2024 |
| 1 - 15 Grange Court Freehold Limited | Households | 2016 |
| 10001 Limited | Information & communication | 2009 |
| 101-103 Ling Road Freehold Company Limited | Other services | 2013 |
| 11PCS Examsuccess Limited | Education | 2026 |
| 131 Mead Way Freehold Limited | Real estate | 2013 |
| 145 Ravenslea Road Balham Limited | Extraterritorial | 2004 |
| 14515403 Limited | Education | 2022 |
| 14B&C North Street Freehold Limited | Households | 2023 |
| 177 Chipstead Valley Road RTM Company Limited | Households | 2020 |
| 2 Ayayas Limited | Professional & scientific | 2002 |
| 21 Holland Road Private Ltd | Hospitality | 2013 |
| 24 Brighton Road Freehold Limited | Real estate | 2022 |
| 246 Bajan Vibes Radio.Com Ltd | Information & communication | 2020 |
| 26 Fairdene Estates Ltd | Households | 2026 |
| 26A Fairdene Freehold Limited | Households | 2024 |
| 28E Fairdene Ltd | Households | 2025 |
| 30 Algarve Limited | Real estate | 2025 |
| 31 Chipstead Valley Ltd | Health & social care | 2019 |
| 328 Catering Limited | Hospitality | 2022 |
| 360 Childcare Ltd | Health & social care | 2021 |
| 37 Woodcote Grove Road Company Limited | Households | 2024 |
| 40 Woodcote (Coulsdon) Limited | Households | 2021 |
| 4CLOVER 2020 LLP | | 2019 |
| 5 Chatham Place (Brighton) Freehold Limited | Households | 2016 |
| 5 Star Roofing Services (UK) Limited | Construction | 2013 |
| 69 Taunton Lane Coulsdon Limited | Households | 2006 |
| 69-71 Stoats Nest Road Management Company Limited | Professional & scientific | 1990 |
| 7 - 10 Shaw Grove Management Limited | Extraterritorial | 2014 |
| 73 Brighton Road Limited | Households | 2019 |
| 76 Reddown Road RTM Company Limited | Households | 2022 |
| 786 Facility & Services Ltd | Extraterritorial | 2018 |
| 92 KPR Ltd | Real estate | 2026 |
| 92-102 Chichester Road (Freehold) Limited | Households | 2001 |
| A 1 Barbers(Uk) Ltd | Other services | 2018 |
| A Q Chem Limited | Professional & scientific | 2022 |
| A Step Beyond Ltd | Health & social care | 2019 |
| A to Z Phone Connections Limited | Wholesale & retail | 2018 |
| A&L Global Consulting Ltd | Professional & scientific | 2016 |
| A&R Brilliant Cleaning Ltd | Administrative & support | 2020 |
| A&V Web Design Limited | Information & communication | 2021 |
| A.S.L. (Surrey) Ltd | Construction | 2023 |
| A3 Cooling Services Limited | Construction | 2008 |
| AA Ontime Ltd | Construction | 2020 |
| AAC Care Ltd | Health & social care | 2023 |
| Aadroit Systems Limited | Information & communication | 2004 |
| AAL Lift Services Ltd | Manufacturing | 2023 |
| Aarthisan Ltd | Wholesale & retail | 2025 |
| Aathava Home Improvement Ltd | Construction | 2026 |
| AB Food Service Ltd | Hospitality | 2026 |
| Ab&I Clearbooks Ltd | Professional & scientific | 2025 |
| Abacus Consultants Limited | Real estate | 1980 |
| Abbeyglen (Canning Road) Limited | Construction | 2023 |
| Abbeyglen (Coulsdon) Ltd | Construction | 2018 |
| Abbeyglen (Foxley Lane) Limited | Construction | 2019 |
| Abbeyglen (Smitham) Limited | Construction | 2019 |
| Abbeyglen Properties (Beulah Road) Limited | Construction | 2024 |
| Abbeyglen Properties (Castlemaine) Limited | Construction | 2019 |
| Abbeyglen Properties (York Road) Limited | Construction | 2017 |
| ABL Care Group Limited | Professional & scientific | 2022 |
| ABL Housing Limited | Hospitality | 2021 |
| ABM Tiling Ltd | Construction | 2008 |
| Absolute Building & Construction Ltd | Construction | 2015 |
| Absolute Building Services's Limited | Construction | 2014 |
| Abuela Play Cafe Ltd | Hospitality | 2023 |
| AC Marsh Consulting Limited | Professional & scientific | 2005 |
| Accurc Limited | Information & communication | 2020 |
| Ackee Culture Club Ltd | Wholesale & retail | 2025 |
| ACL Cleaning Ltd | Administrative & support | 2023 |
| Acorns Limited | Professional & scientific | 1996 |
| Acres and West Limited | Real estate | 2023 |
| Acro Azul Ltd | Financial services | 2025 |
| Acuity Unified Communications Limited | Extraterritorial | 2010 |
| AD Snipper Ltd | Wholesale & retail | 2023 |
| Adam Animation Limited | Professional & scientific | 2019 |
| ADE 6868 Limited | Real estate | 2025 |
| ADE and Sons Ltd | Real estate | 2023 |
| Adepto Properties Ltd | Real estate | 2007 |
| Admiral Minicabs Ltd | Transport & logistics | 2021 |
| Admotus Marketing Limited | Professional & scientific | 2009 |
| Adrian Fisher Associates Limited | Administrative & support | 2021 |
| Adrian Fisher Ltd | Administrative & support | 2009 |
| Advanced Print Limited | Manufacturing | 2000 |
| Aesthetix Smile Limited | Health & social care | 2023 |
| Aetherview UAV Limited | Other services | 2024 |
| Affasat Limited | Wholesale & retail | 2025 |
| AHN Sports Ltd | Arts & recreation | 2019 |
| Aidal Associates Ltd | Real estate | 2009 |
| Aimee Croysdill Styling Limited | Professional & scientific | 2012 |
| Aims Star Ltd | Wholesale & retail | 2022 |
| AIS Fire Containment Limited | Wholesale & retail | 2000 |
| AJ & J Property Holdings Ltd | Real estate | 2022 |
| AJ Plumbing and Heating Ltd | Construction | 2018 |
| AJS Carpentry Ltd | Construction | 2011 |
| AJX Consultancy Ltd | Information & communication | 2019 |
| AK Construction (Kasko Group) Ltd | Construction | 2022 |
| Akhtive Online Ltd | Wholesale & retail | 2023 |
| AL Real Estate Ltd | Real estate | 2021 |
| Albion IT Services Ltd | Information & communication | 2025 |
| Alder in Mind Ltd. | Health & social care | 2025 |