| "K" Line Logistics (UK) Limited | Transport & logistics | 1988 |
| 00368713 Limited | Information & communication | 1941 |
| 10/10 Construction Ltd | Construction | 2020 |
| 101 Vehicle Management Ltd | Transport & logistics | 2026 |
| 10G Mobicom Limited | Professional & scientific | 2009 |
| 11SPICE Limited | Hospitality | 2025 |
| 1355 Limited | Manufacturing | 2026 |
| 14 Associates Ltd | Real estate | 2024 |
| 16634970 Limited | Wholesale & retail | 2025 |
| 16A York Way Limited | Households | 2025 |
| 1988 Invest Ltd | Manufacturing | 2019 |
| 1ST FIX Services Ltd | Construction | 2025 |
| 2 Shocks Ltd | Information & communication | 2026 |
| 20/20 Optics Limited | Health & social care | 2018 |
| 246ELECTRICAL Ltd | Construction | 2023 |
| 274 Ladbroke Grove Management Company Ltd | Households | 2009 |
| 2HOT2COLD Ltd | Construction | 2012 |
| 30 Year Publication Ltd. | Information & communication | 2017 |
| 360 Restful Ltd | Health & social care | 2023 |
| 360OPTICS Ltd | Wholesale & retail | 2023 |
| 3D Carpet Maintenance Ltd | Administrative & support | 2019 |
| 3D Refurb Ltd | Construction | 2017 |
| 3G Infotech Limited | Information & communication | 2020 |
| 3R Packaging Ltd | Wholesale & retail | 2020 |
| 3W Construction Ltd | Construction | 2021 |
| 4 World Trade Ltd | Manufacturing | 2010 |
| 4A Market Place Ltd | Wholesale & retail | 2018 |
| 4M Property Solutions Limited | Real estate | 2025 |
| 4PX Express UK Co Limited | Transport & logistics | 2014 |
| 58 Estates Ltd | Real estate | 2024 |
| 5TARFINIS Limited | Other services | 2024 |
| 60 High Street Cowes Limited | Real estate | 2000 |
| 7 London Road RTM Company Limited | Real estate | 2013 |
| 717STAYS Limited | Hospitality | 2023 |
| 8 Million Bites Limited | Hospitality | 2025 |
| 9 Customized Solutions Ltd | Information & communication | 2012 |
| A & a Consulting Services Limited | Professional & scientific | 2015 |
| A & F Luxury Wheels Ltd | Transport & logistics | 2023 |
| A & K Kent Properties Ltd | Real estate | 2024 |
| A & R Operations Ltd | Transport & logistics | 2025 |
| A & R Sajjad Ltd | Wholesale & retail | 2023 |
| A D O Enterprise Limited | Transport & logistics | 2019 |
| A Davis Electrical Solutions Limited | Construction | 2015 |
| A K Express Enterprise Limited | Transport & logistics | 2025 |
| A LOG Capital Ltd | Real estate | 2026 |
| A M Abed Limited | Professional & scientific | 2006 |
| A Mission Place Ltd | Real estate | 2025 |
| A NJ Enterprize Limited | Other services | 2025 |
| A Plus International Express Parcels (UK) Ltd | Wholesale & retail | 2002 |
| A Products Ltd | Wholesale & retail | 2024 |
| A S Gray Education Consultancy Limited | Professional & scientific | 2024 |
| A S Kalra Investments Ltd | Real estate | 2024 |
| A Safaa Ltd | Wholesale & retail | 2014 |
| A Shape Roofing Ltd | Construction | 2024 |
| A Stepping Stone Ltd | Real estate | 2022 |
| A Z Decorating Specialists Limited | Construction | 2007 |
| A&A Builders Limited | Construction | 2015 |
| A&A DNK Ltd | Administrative & support | 2025 |
| A&A Northwest Inc Ltd | Professional & scientific | 2026 |
| A&A Universal Ltd | Wholesale & retail | 2026 |
| A&C Building Ltd. | Construction | 2018 |
| A&D Home Solutions.Co.Uk Limited | Households | 2026 |
| A&G Fixing Ltd | Construction | 2025 |
| A&Jk Ltd | Wholesale & retail | 2025 |
| A&M Carpentery Ltd | Construction | 2026 |
| A&S (UK) Property Limited | Construction | 2014 |
| A-Z Aviation Ltd | Transport & logistics | 2023 |
| A. Rossetti Limited | Real estate | 1972 |
| A.Farah Services Limited | Manufacturing | 2006 |
| A.J.B. Haulage Ltd | Water & waste | 2015 |
| A.M.Goraya Ltd | Wholesale & retail | 2025 |
| A.N Property Investment Group Ltd | Real estate | 2024 |
| A.R.D Group Holdings Ltd | Extraterritorial | 2022 |
| A1 Total Controls Limited | Administrative & support | 2017 |
| A24D Motors Ltd | Wholesale & retail | 2025 |
| A2D RTM Company Limited | Extraterritorial | 2025 |
| A30 Tyres Service Ltd | Wholesale & retail | 2026 |
| AA Heathrow Cars Ltd | Other services | 2007 |
| AA13BUILDERS Ltd | Construction | 2026 |
| AAA Education Consultants Ltd | Administrative & support | 2018 |
| Aaab House Ltd | Real estate | 2024 |
| Aafa Traders Ltd | Wholesale & retail | 2022 |
| Aagaj Beauty Bar Ltd | Other services | 2024 |
| Aaghnya Vinoth Kumar Limited | Real estate | 2025 |
| Aaiza Property Ltd | Real estate | 2025 |
| Aaksh 555 Ltd | Wholesale & retail | 2024 |
| Aaog Indian Street Food Ltd | Hospitality | 2026 |
| Aardvark Roofing and Property Maintenance Ltd | Construction | 2023 |
| Aaretailers & Wholesalers Ltd | Wholesale & retail | 2022 |
| Aariva Solution Ltd | Information & communication | 2024 |
| Aariyan and Bader Ltd | Health & social care | 2024 |
| Aariyan Properties Ltd | Real estate | 2022 |
| Aathi Steel &Renovation Ltd | Construction | 2026 |
| Aayam Handmade Cashmere Limited | Wholesale & retail | 2023 |
| Aayan's Retail Ltd. | Manufacturing | 2016 |
| AB Building Constructions Ltd | Construction | 2016 |
| AB Dealers Ltd | Wholesale & retail | 2019 |
| AB Property Corporation Limited | Real estate | 2025 |
| Abacus Education Limited | Real estate | 2014 |
| Abayatopia Limited | Wholesale & retail | 2022 |