| A & H Property (LON) Ltd | Real estate | 2020 |
| A & I Delights Ltd | Hospitality | 2024 |
| A & I Drylining Ltd | Construction | 2017 |
| A & J (Wanstead) Limited | Real estate | 2016 |
| A & J COX Metal Fabrications Ltd | Construction | 2025 |
| A & J Investments (UK) Limited | Real estate | 2009 |
| A & J Properties London Ltd | Real estate | 2025 |
| A & J UK Property Ltd | Real estate | 2024 |
| A & K Assets Limited | Real estate | 2018 |
| A & K Enterprise (UK) Limited | Real estate | 2012 |
| A & L Property Services LLP | | 2025 |
| A & M Construction (UK) Limited | Construction | 2008 |
| A & M Motors Ltd | Wholesale & retail | 2022 |
| A & M Rehal Ltd | Real estate | 2019 |
| A & M Specialist Recruitment Limited | Professional & scientific | 2025 |
| A & N Catering Limited | Hospitality | 2010 |
| A & N Estates Limited | Real estate | 2014 |
| A & R Associates (UK) Limited | Administrative & support | 2014 |
| A & S Accounting Services Ltd | Professional & scientific | 2015 |
| A & S Halal Meat Limited | Wholesale & retail | 2021 |
| A & S UK Properties Ltd | Real estate | 2021 |
| A & SON Ltd | Other services | 1999 |
| A & SON Properties Ltd | Real estate | 2014 |
| A & Sons MCR Ltd | Hospitality | 2019 |
| A & Sons Properties Limited | Real estate | 2016 |
| A & W Management Ltd | Construction | 2019 |
| A & Z Consultancy Services Ltd | Information & communication | 2021 |
| A & Z Enterprise Ltd | Real estate | 2017 |
| A 2 Z Building Supplies Limited | Wholesale & retail | 2007 |
| A 2 ZEE Enterprises Ltd | Wholesale & retail | 2024 |
| A a Building Services Limited | Construction | 1997 |
| A a Polypharma Limited | Wholesale & retail | 2013 |
| A a Rentals (U.K.) Ltd | Wholesale & retail | 2014 |
| A a Zaman Limited | Health & social care | 2017 |
| A Analytica Limited | Professional & scientific | 2024 |
| A and B Architectural Studio Limited | Professional & scientific | 2023 |
| A and M Creative Partners Ltd | Information & communication | 2023 |
| A Axinte RO Ltd | Construction | 2026 |
| A Axis Groups Solution Ltd | Information & communication | 2023 |
| A B C Hotel Management Limited | Hospitality | 2019 |
| A B F Productions Ltd | Information & communication | 2021 |
| A B M Grouper Limited | Health & social care | 1990 |
| A B Scape Ltd | Construction | 2021 |
| A Bevan & SON Limited | Manufacturing | 2012 |
| A Caisin Limited | Construction | 2016 |
| A Capital Marketing Ltd | Administrative & support | 2023 |
| A Capital Recruitment Ltd | Professional & scientific | 2026 |
| A Chagani Ltd | Professional & scientific | 2017 |
| A Class Properties (Greater London) Ltd | Real estate | 2016 |
| A Class Tuition Limited | Education | 2007 |
| A Cool Breeze Ltd | Wholesale & retail | 2025 |
| A Corporation Limited | Real estate | 2024 |
| A D Security Systems Limited | Administrative & support | 2017 |
| A Decadent Affair Limited | Hospitality | 2020 |
| A Design Studio Limited | Professional & scientific | 2015 |
| A Ejaz Limited | Wholesale & retail | 2020 |
| A F M Financial Reporting and Consulting Limited | Professional & scientific | 2013 |
| A Fragrance LAB Limited | Wholesale & retail | 2024 |
| A Ginger Cat Limited | Health & social care | 2016 |
| A Hasan Dhali Limited | Hospitality | 2023 |
| A J a Capital Investments Limited | Real estate | 2024 |
| A J Roofing Specialist Limited | Construction | 2020 |
| A J Williams Mechanical Ltd | Construction | 2026 |
| A K Cleaning Services Limited | Administrative & support | 2016 |
| A K Developments (Preston) Limited | Real estate | 2023 |
| A K Holdings (NW) Limited | Real estate | 2020 |
| A K Holdings London Limited | Construction | 2021 |
| A K J Investments (London) Limited | Wholesale & retail | 2023 |
| A K Logistics (GBR) Ltd | Transport & logistics | 2014 |
| A K Records Ltd | Health & social care | 2010 |
| A K Z Holdings Limited | Real estate | 2021 |
| A Khan Recruitment Ltd | Administrative & support | 2024 |
| A Mahmood Investments Ltd | Financial services | 2017 |
| A Nawab Ltd | Construction | 2024 |
| A O IT Consultancy Services Limited | Information & communication | 2009 |
| A One Construction (Essex) Ltd | Real estate | 2003 |
| A One Properties (Greater London) Ltd | Real estate | 2016 |
| A One UK Express Ltd | Wholesale & retail | 2016 |
| A P Builders & Decorators Ltd | Water & waste | 2019 |
| A Plan Solutions Ltd | Professional & scientific | 2012 |
| A Plus Energy Solutions Ltd | Transport & logistics | 2026 |
| A Plus Removals Ltd | Transport & logistics | 2026 |
| A Plus Traders Limited | Wholesale & retail | 2019 |
| A Property Developments Ltd | Construction | 2018 |
| A R Inwood Limited | Construction | 2013 |
| A Rahman's Engineering Limited | Other services | 2022 |
| A Raja Properties Limited | Real estate | 2025 |
| A RAO Ltd | Wholesale & retail | 2026 |
| A Russell Construction Limited | Wholesale & retail | 2003 |
| A S Excellent Services Ltd | Professional & scientific | 2019 |
| A S K Letting Limited | Wholesale & retail | 2000 |
| A S Progeny Limited | Real estate | 2015 |
| A S Services London Ltd | Administrative & support | 2025 |
| A S T S (South East) Limited | Professional & scientific | 2005 |
| A S Toor Development Ltd | Construction | 2023 |
| A Star Customs Ltd | Wholesale & retail | 2019 |
| A Star Direct Ltd | Wholesale & retail | 2025 |
| A Star Electrical Services London Ltd | Construction | 2023 |
| A Star KS Cleaning Services Limited | Administrative & support | 2018 |
| A T Accessories Ltd | Wholesale & retail | 2013 |