| 101/103 LEE Road (Freehold) Limited | Professional & scientific | 1982 |
| 140 Queenstown Road Limited | Households | 2003 |
| 151 Upper Wickham Lane Limited | Households | 2019 |
| 1704 Consulting Limited | Professional & scientific | 2013 |
| 18 Hadlow Road (Sidcup) Maintenance Limited | Households | 1970 |
| 1SHOPDEALS Ltd | Wholesale & retail | 2024 |
| 1STKLASS Ltd | Information & communication | 2025 |
| 247 Auto Services Group Ltd | Professional & scientific | 2025 |
| 27 Two 6 Beauty Ltd | Other services | 2019 |
| 2ND Skin Ltd | Other services | 2015 |
| 2PIECEBRIDAL Ltd | Wholesale & retail | 2021 |
| 2SIMPLIFY Limited | Information & communication | 2019 |
| 3-D Business Services Limited | Professional & scientific | 2015 |
| 303 Content Creation Ltd | Arts & recreation | 2024 |
| 3AV Investment Ltd | Professional & scientific | 2018 |
| 43 Ways Advisory Ltd | Professional & scientific | 2020 |
| 457MATTRESS Ltd | Wholesale & retail | 2023 |
| 47 Granvilla Limited | Real estate | 2024 |
| 5RACKS Holdings Ltd | Financial services | 2025 |
| 5STAR-SECURITY Solutions Ltd | Administrative & support | 2022 |
| 6 ST John's Park Limited | Households | 2007 |
| 69 Jerningham Road Limited | Households | 1989 |
| 7 One 2 Ltd | Administrative & support | 2011 |
| 786 Childcare Limited | Health & social care | 2018 |
| 786 Lettings Limited | Real estate | 2019 |
| 7SAGE Services Ltd | Information & communication | 2015 |
| 8 Plus Health Limited | Wholesale & retail | 2025 |
| 8D Ltd | Professional & scientific | 2019 |
| A & R Locksmiths Ltd | Administrative & support | 2024 |
| A Brightway Ltd | Health & social care | 2025 |
| A Brightway Support Ltd | Health & social care | 2025 |
| A C Florin Ltd | Construction | 2018 |
| A C R London Limited | Energy | 2000 |
| A Class Metal Roofing Limited | Construction | 2013 |
| A Class Zinc Roofing Ltd | Construction | 2025 |
| A Hirani Solutions Ltd | Construction | 2014 |
| A J XIN Properties Ltd | Real estate | 2024 |
| A Livingston Services Limited | Professional & scientific | 2014 |
| A Star Drainmasters Ltd | Other services | 2012 |
| A Star Property Investments Ltd | Real estate | 2017 |
| A to Z Nursing Ltd | Health & social care | 2014 |
| A to Z Vans Ltd | Transport & logistics | 2019 |
| A Unique U Ltd | Arts & recreation | 2024 |
| A&A Autos Ltd | Wholesale & retail | 2014 |
| A&L Bala Management Ltd | Real estate | 2018 |
| A&M Singh Group PVT Ltd | Wholesale & retail | 2026 |
| A&N S Kitchen Limited | Hospitality | 2025 |
| A'Furgato Ltd | Professional & scientific | 2020 |
| A-Z Taxi Transport Ltd | Transport & logistics | 2025 |
| A.A.M.N Company Limited | Health & social care | 2024 |
| A.J Software Consulting Services Limited | Information & communication | 2011 |
| A.J.E Care Services Ltd | Health & social care | 2025 |
| A.O. Motors Ltd | Wholesale & retail | 2019 |
| A2 Ventilation Ltd | Construction | 2018 |
| AA Consultancy Care Limited | Health & social care | 2010 |
| Aafara Ltd | Construction | 2025 |
| Aaidan K Ltd | Financial services | 2020 |
| AAK Enterprises 2020 Limited | Wholesale & retail | 2022 |
| AAP Contractors Ltd | Construction | 2016 |
| Aark Tech Solutions UK Private Limited | Information & communication | 2026 |
| Aathira Trading Ltd | Wholesale & retail | 2022 |
| AB Ghar Ltd | Real estate | 2024 |
| Abbeyfield House Limited | Health & social care | 2017 |
| ABC DEF Ltd | Construction | 2019 |
| Abel Air Conditioning Limited | Energy | 2014 |
| Abel Management Solutions Ltd | Real estate | 2025 |
| Abfparagon Limited | Wholesale & retail | 2025 |
| Abilitylink Global Limited | Wholesale & retail | 2026 |
| Abis Transport Ltd | Transport & logistics | 2026 |
| Abitol Limited | Real estate | 2020 |
| Abitol Services Limited | Health & social care | 2022 |
| Abiyys Services Ltd | Real estate | 2022 |
| Abodes Online Limited | Households | 2020 |
| About Next Limited | Information & communication | 2018 |
| ABP Advisory Ltd | Professional & scientific | 2021 |
| ABS Fade & Blade Limited | Other services | 2019 |
| ABS Stylist Ltd | Other services | 2017 |
| Absolut Edge Construction Ltd | Manufacturing | 2024 |
| AC & G Ltd | Hospitality | 2024 |
| AC Consulting & Advisory Ltd | Professional & scientific | 2026 |
| Access Digital Online Limited | Information & communication | 2011 |
| Accounting Consulting Experts Limited | Professional & scientific | 2016 |
| Ace Properties and Investments Ltd | Real estate | 2023 |
| Ace Thinker Limited | Information & communication | 2015 |
| ACG Roofing&Building Services Ltd | Construction | 2024 |
| ACR Security Ltd | Construction | 2025 |
| Actionhouse Limited | Information & communication | 2026 |
| ACTIV8 Creators Ltd | Professional & scientific | 2026 |
| Actscp Ltd | Health & social care | 2024 |
| Adamex Limited | Construction | 2011 |
| Adamstevo Ltd | Wholesale & retail | 2024 |
| ADD to Buy Limited | Wholesale & retail | 2025 |
| Addyce Consulting Limited | Professional & scientific | 2007 |
| Adedio Company Limited | Administrative & support | 2013 |
| Adhanya Ltd | Wholesale & retail | 2025 |
| ADI Pro Build Ltd | Construction | 2019 |
| ADK Accountancy Limited | Professional & scientific | 2017 |
| ADO Services CIC | Education | 2009 |
| Adrian Special Services Ltd | Construction | 2013 |
| Advance Telecom Ltd | Other services | 2024 |