| 1-11 Willow Lane Management Company Limited | Real estate | 2005 |
| 154 and 154A Aldershot Road Flat Management Company Limited | Households | 2005 |
| 185 Consulting Ltd | Information & communication | 2019 |
| 1927 Bespoke Ltd | Professional & scientific | 2025 |
| 1K Solutions Ltd | Information & communication | 2008 |
| 209 London Limited | Other services | 2021 |
| 20X Ltd | Professional & scientific | 2024 |
| 28 Willow Lane Limited | Real estate | 2015 |
| 29/31 Jessett Drive (Freehold) Limited | Households | 2007 |
| 2C Enterprises Ltd | Information & communication | 2018 |
| 30 Fleet Road Management Company Limited | Households | 2005 |
| 30 Pepys Road Freehold Ltd | Households | 2020 |
| 321 Developments Ltd | Construction | 2019 |
| 34 ST John Limited | Wholesale & retail | 2022 |
| 36 Hatherley Grove Limited | Hospitality | 2011 |
| 36-39 Sian Close RA Limited | Real estate | 2009 |
| 365CAMPERHIRE Limited | Administrative & support | 2026 |
| 40PARTS Ltd | Manufacturing | 2025 |
| 44 Teeth Ltd | Professional & scientific | 2014 |
| 44XL Ltd | Professional & scientific | 2025 |
| 5 Northcote Road Management Company Limited | Households | 1999 |
| 61 - 65 Properties Limited | Real estate | 2017 |
| 63 Systems Limited | Information & communication | 2022 |
| 8 Eastdown Park Freehold Company Ltd | Households | 2024 |
| A B C Kindergarten Limited | Other services | 1996 |
| A J Colwell Limited | Information & communication | 2014 |
| A P Cleaning Services Limited | Other services | 2003 |
| A R Bird Ltd | Professional & scientific | 2022 |
| A R Plumbing & Heating (South) Ltd | Construction | 2019 |
| A W Matheson Limited | Construction | 2007 |
| A&J Cooling Limited | Energy | 2019 |
| A.J. Martin Ventilation Services Limited | Manufacturing | 2000 |
| A1 Landscapes Ltd | Administrative & support | 2021 |
| A3 Care Ltd | Health & social care | 2010 |
| AAA Books & Tax Ltd | Professional & scientific | 2017 |
| AAA Elite Properties Ltd | Real estate | 2026 |
| ABC 1ST Home Care Limited | Real estate | 2021 |
| ABC Accountancy Ltd | Professional & scientific | 2025 |
| ABC Elegance Resort Limited | Other services | 2026 |
| ABC Prosperity Limited | Real estate | 2024 |
| Abel Care PVT Limited | Health & social care | 2013 |
| ABH Consultancy Limited | Professional & scientific | 2024 |
| Abiz Landscapes Ltd | Construction | 2020 |
| Abode Assist Ltd | Health & social care | 2026 |
| Abundance Finance Ltd | Financial services | 2020 |
| AC Hooper Limited | Information & communication | 2023 |
| ACC Express Limited | Transport & logistics | 2025 |
| Accelar Limited | Professional & scientific | 2019 |
| Accelerate Innovation Ltd | Professional & scientific | 2018 |
| Access ALL Areas Platforms Ltd | Administrative & support | 2016 |
| Access Web Limited | Information & communication | 2024 |
| Accounting Clarkes Limited | Professional & scientific | 2017 |
| Accredipass Ltd | Professional & scientific | 2026 |
| Ace Air Conditioning and Electrical Ltd | Manufacturing | 2007 |
| ACG Cars Ltd | Transport & logistics | 2026 |
| ACL Construction Management Limited | Construction | 2015 |
| Acml Ltd | Administrative & support | 2007 |
| Acquist Data Holdings Limited | Financial services | 2022 |
| Acquist Data Limited | Information & communication | 2022 |
| Acres 3 Ltd | Administrative & support | 2026 |
| Across the Pond - Study in Britain Limited | Administrative & support | 2014 |
| ACS Cleaning Ltd | Administrative & support | 2025 |
| Activate Research Limited | Professional & scientific | 2021 |
| Acvans.Com Limited | Wholesale & retail | 2008 |
| ADA Gardens Residents Management Company Ltd | Households | 2023 |
| Adagio Management Company Limited | Households | 2004 |
| Adal Ltd | Information & communication | 2018 |
| Adam Humphreys Electrical Services Limited | Construction | 2023 |
| ADE Transition Consulting Ltd | Professional & scientific | 2021 |
| Adele Rosie Fine Jewellery Limited | Manufacturing | 2026 |
| Adex Business Consultancy Limited | Professional & scientific | 2012 |
| Adit & Lode Limited | Real estate | 2026 |
| Adpn Limited | Hospitality | 2025 |
| Adriatico Authentic Italian Food Ltd | Hospitality | 2021 |
| Adroit Decor Limited | Construction | 2001 |
| Adroit Smjt Limited | Professional & scientific | 2018 |
| Aefm Limited | Administrative & support | 2009 |
| AES Customs Ltd | Wholesale & retail | 2023 |
| Aether Agency Ltd | Professional & scientific | 2020 |
| Aether Social Limited | Information & communication | 2025 |
| Africa Data Systems Ltd | Information & communication | 2025 |
| AG TG Estates Limited | Hospitality | 2023 |
| Agenuk Limited | Professional & scientific | 2020 |
| AGF Recruitment Ltd | Administrative & support | 2022 |
| Agincourt (Surrey) Limited | Administrative & support | 2004 |
| AI Media Marketing Ltd | Information & communication | 2024 |
| AI Optimised Ltd | Information & communication | 2026 |
| Aiaio Ltd | Information & communication | 2023 |
| Aimee Project Ltd | Professional & scientific | 2022 |
| Aione Global Ltd | Information & communication | 2024 |
| Airlink Global Travel Limited | Extraterritorial | 2024 |
| Airsoftuk Limited | Wholesale & retail | 2025 |
| Airtek Safety Ltd | Construction | 2022 |
| AJ Spinks Ltd | Professional & scientific | 2016 |
| Ajmorley Properties Limited | Real estate | 2018 |
| Akiro Mono Ltd | Financial services | 2021 |
| AL Builder Ltd | Construction | 2019 |
| Al-Khalaf Medical Services Ltd | Health & social care | 2024 |
| Alan Collins Associates Limited | Administrative & support | 2012 |
| Alasdair Williams Consulting Limited | Professional & scientific | 2021 |