| 86 Hambrough Road Limited | Real estate | 2022 |
| 888 Capital Ventures Ltd | Financial services | 2022 |
| 888 Resources Ltd | Other services | 2017 |
| 999 Carpet Limited | Construction | 2024 |
| 9N AI Materials Ltd | Professional & scientific | 2025 |
| A & a Foods Supply Ltd | Wholesale & retail | 2013 |
| A & a London Collections Ltd | Wholesale & retail | 2025 |
| A & H UK Properties Ltd | Real estate | 2019 |
| A & M Tippers Ltd | Transport & logistics | 2011 |
| A & S (1992) Limited | Professional & scientific | 2000 |
| A & S Heathrow Ltd. | Real estate | 2020 |
| A & S Progression Ltd | Wholesale & retail | 2023 |
| A & S Tandoori Ltd | Hospitality | 2025 |
| A & SA Joinery Ltd | Construction | 2017 |
| A 2 Z Kitchen and Bedrooms Ltd | Construction | 2013 |
| A a G Technologies Limited | Information & communication | 2024 |
| A Baldmans Company Ltd | Transport & logistics | 2026 |
| A Bamber Ltd | Real estate | 2024 |
| A Class Enterprises Ltd | Wholesale & retail | 2022 |
| A Class Kitchen & Bedroom Ltd | Manufacturing | 2021 |
| A D London Barbers Ltd | Other services | 2025 |
| A Dream House Construction Ltd | Construction | 2019 |
| A G Top Logistics Limited | Transport & logistics | 2022 |
| A Grade Services Ltd | Administrative & support | 2017 |
| A J Properties (London) Limited | Construction | 2013 |
| A J Singh Retail Ltd | Financial services | 2025 |
| A K GAS and Heating Services Limited | Construction | 2010 |
| A K Warehouse Ltd | Wholesale & retail | 2025 |
| A LA Carte Travel Company Limited | Transport & logistics | 1995 |
| A List Property Solutions Ltd | Real estate | 2024 |
| A M Property & Development Ltd | Real estate | 2015 |
| A Plus Foods Services Ltd | Hospitality | 2019 |
| A Quad Ltd | Construction | 2017 |
| A S Nandha Ltd | Construction | 2024 |
| A Sandhu Property Ltd | Real estate | 2025 |
| A Security Academy Ltd | Education | 2025 |
| A Sidhu Construction Ltd | Construction | 2022 |
| A Sidhu Limited | Professional & scientific | 2026 |
| A Signature Bride Ltd | Administrative & support | 2017 |
| A Singh Construction Limited | Construction | 2025 |
| A Star Mortgages Ltd | Financial services | 2019 |
| A Star Productions Limited | Information & communication | 2023 |
| A Star Skips Ltd | Water & waste | 2017 |
| A to Z Gadgets Ltd | Wholesale & retail | 2019 |
| A to Z Importers UK Limited | Wholesale & retail | 2011 |
| A to Z Scissors Ltd | Other services | 2019 |
| A TRU Maker Construction Limited | Construction | 2018 |
| A U Zain Limited | Wholesale & retail | 2006 |
| A Wishlist UK Ltd | Wholesale & retail | 2018 |
| A Woman of Class Ltd | Wholesale & retail | 2023 |
| A Y Transport Ltd | Transport & logistics | 2026 |
| A Z Car Repair & Sales Ltd | Wholesale & retail | 2024 |
| A&A Cleaning NW Ltd | Administrative & support | 2022 |
| A&A Europe Holding Ltd | Construction | 2022 |
| A&D UK Properties Ltd | Real estate | 2025 |
| A&H Property Limited | Real estate | 2026 |
| A&J Assets Ltd | Real estate | 2022 |
| A&K Compassionate Care Ltd | Administrative & support | 2025 |
| A&M Essentials 2 Ltd | Wholesale & retail | 2025 |
| A&M Essentials Ltd | Wholesale & retail | 2025 |
| A&M Thind Contractor Limited | Construction | 2025 |
| A&P Food and Wine Ltd | Wholesale & retail | 2024 |
| A&R Enterprises Ltd | Real estate | 2026 |
| A&R Properties Investments Ltd | Real estate | 2023 |
| A&R Solicitors Ltd | Professional & scientific | 2016 |
| A&S Business Ltd | Hospitality | 2024 |
| A&S Hayes Limited | Real estate | 2015 |
| A&S Property Management Ltd | Real estate | 2015 |
| A&T Sons Ltd | Real estate | 2024 |
| A&T Stores Ltd | Wholesale & retail | 2025 |
| A&V Fire Protection Ltd | Construction | 2018 |
| A&W Transport Ltd | Administrative & support | 2017 |
| A&Z Sheraz Properties Limited | Real estate | 2024 |
| A-Reyal Construction Ltd | Construction | 2022 |
| A-Star Commercials Ltd | Real estate | 2022 |
| A-Star Estates & Properties Ltd | Real estate | 2016 |
| A-Star Financial Solutions UK Ltd | Financial services | 2012 |
| A-Star Real Estates Limited | Real estate | 2021 |
| A-Star Will & Estates Planning Limited | Administrative & support | 2025 |
| A. Kalam's - Homes Limited | Construction | 2024 |
| A. Kalam's - PMO Services Limited | Professional & scientific | 2018 |
| A.B.M. Music International Limited | Other services | 2008 |
| A.D UK Construction Ltd | Construction | 2024 |
| A.K & Sons Roofing Ltd | Construction | 2025 |
| A.P.S Tiling & Bathrooms Limited | Construction | 2018 |
| A.S. Infinity Optical Ltd | Other services | 2017 |
| A.S.T Homes Ltd | Real estate | 2022 |
| A1 Airport Logistics Limited | Administrative & support | 2025 |
| A1 Airport Transfers Limited | Transport & logistics | 2009 |
| A1 Diamond Construction Ltd | Construction | 2026 |
| A1 Direct Limited | Wholesale & retail | 2020 |
| A1 Dream Housing Ltd | Construction | 2026 |
| A1 Food and Wine Grocery News Wine Beers Ltd | Wholesale & retail | 2020 |
| A1 Home Construction Ltd | Construction | 2025 |
| A1 Hub Limited | Wholesale & retail | 2024 |
| A1 Mobilizing Advertising Ltd | Professional & scientific | 2024 |
| A1 Painting Services Ltd | Construction | 2025 |
| A1 Transport London Ltd | Transport & logistics | 2021 |
| A2A&B Charles House Ltd | Real estate | 2025 |
| A2I Consulting Ltd | Administrative & support | 2025 |