| Amici Design Ltd | Professional & scientific | 2020 |
| Amicos Pizzaria Ltd | Hospitality | 2018 |
| Amicrest (Parkers Apartments) Limited | Administrative & support | 2015 |
| Amicus Clinical Limited | Other services | 2022 |
| Amidhi Limited | Health & social care | 2012 |
| Amie AMY Hood Ltd | Wholesale & retail | 2025 |
| Amiga Finance Limited | Administrative & support | 2017 |
| Amigo Enterprises Limited | Wholesale & retail | 2017 |
| Amigo International Textile Limited | Extraterritorial | 2015 |
| Amigo JET Limited | Administrative & support | 2016 |
| Amigo Loans Holdings Ltd | Financial services | 2017 |
| Amigo Loans Ltd | Financial services | 2003 |
| Amigo Local Food Limited | Hospitality | 2026 |
| Amigo Management Services Ltd | Financial services | 2005 |
| Amigo's Barber (MCR) Ltd | Other services | 2026 |
| Amigon Advertising Limited | Administrative & support | 2022 |
| Amigos (Stretford) Limited | Hospitality | 2025 |
| Amigos Pizza House Ltd | Hospitality | 2015 |
| Amigos Takeaway (Lostock) Limited | Extraterritorial | 2018 |
| Amin & Co Limited | Information & communication | 2014 |
| Amin & Co. Accountants Ltd | Professional & scientific | 2013 |
| Amin Advisory Ltd | Professional & scientific | 2024 |
| Amin and Co Wholesale Ltd | Wholesale & retail | 2026 |
| Amin and Sons Group Ltd | Wholesale & retail | 2024 |
| Amin Build & Convert Ltd | Administrative & support | 2025 |
| Amin UK Properties Limited | Real estate | 2020 |
| Amin-Global Innovation Ltd | Wholesale & retail | 2025 |
| Amin-Wilson Estates Ltd | Real estate | 2020 |
| Amina Adnan Pharmaceutics Ltd | Wholesale & retail | 2020 |
| Amina Engineering Limited | Professional & scientific | 2007 |
| Amina Noor Ltd | Wholesale & retail | 2015 |
| Aminah’S Community Centre CIC | Education | 2023 |
| Aminasis Global Ltd | Wholesale & retail | 2025 |
| Amino Ltd | Wholesale & retail | 2026 |
| Aminoxy Limited | Wholesale & retail | 2024 |
| Aminul Islam Investment Limited | Wholesale & retail | 2025 |
| Amir & Sons Trading Ltd | Real estate | 2022 |
| Amir & Ayan Ltd | Transport & logistics | 2019 |
| Amir Apparel Ltd | Wholesale & retail | 2017 |
| Amir Apparel Wholesale Ltd | Wholesale & retail | 2023 |
| Amir Barbers Ltd | Other services | 2024 |
| Amir Bhai Kitchen Ltd | Hospitality | 2025 |
| Amir Clothing Limited | Manufacturing | 2011 |
| Amir Property Rental Ltd | Real estate | 2023 |
| Amir Property Solutions Ltd | Real estate | 2018 |
| Amir Trader Limited | Wholesale & retail | 2015 |
| Amira Aesthetics Clinic Ltd | Other services | 2025 |
| Amira Solar Ltd | Construction | 2026 |
| Amirat AL Abayat Ltd | Wholesale & retail | 2024 |
| Amirexa Ltd | Wholesale & retail | 2026 |
| Amiri Enterprises Limited | Professional & scientific | 2016 |
| Amiri Trading Ltd | Real estate | 2023 |
| Amiro LBA Limited | Wholesale & retail | 2025 |
| Amist Ltd | Other services | 2022 |
| Amitly and Co Ltd | Wholesale & retail | 2021 |
| Amitra Capital Limited | Financial services | 2018 |
| Amitra West Invest UK Limited | Financial services | 2021 |
| Amity Community Action C.I.C. | Professional & scientific | 2016 |
| Amity HCD Limited | Professional & scientific | 2014 |
| Amity Strengthwear Ltd | Wholesale & retail | 2023 |
| AMJ Fashion Ltd | Wholesale & retail | 2020 |
| AMJ Homes Ltd | Real estate | 2021 |
| AMJ Legacy Limited | Hospitality | 2025 |
| AMJ Medical Services Limited | Health & social care | 2025 |
| AMJ Partners Limited | Financial services | 2021 |
| AMJ Tonge Management Company Ltd | Professional & scientific | 2018 |
| Amjad Al-Seha for Trading Ltd | Wholesale & retail | 2026 |
| Amjad Alsarh Lilaistithmar Ltd | Wholesale & retail | 2026 |
| Amjad Alsharaa Trading Company Ltd | Construction | 2025 |
| Amjad Co Fabrication Ltd | Manufacturing | 2023 |
| Amjed Zafar Locums Ltd | Health & social care | 2015 |
| Amjp Sports Ltd | Education | 2024 |
| Amjpak Limited | Wholesale & retail | 2016 |
| AMK and SON Trading Ltd | Wholesale & retail | 2022 |
| AMK Capital Group Limited | Financial services | 2026 |
| AMK Content Limited | Professional & scientific | 2026 |
| AMK Global Investments Ltd | Real estate | 2005 |
| AMK Leonard Property Investment Limited | Administrative & support | 2016 |
| AMK Productions Ltd | Wholesale & retail | 2016 |
| AMK Property Holdings Limited | Real estate | 2020 |
| AMK Supplies Group Ltd | Wholesale & retail | 2026 |
| Amkaf Limited | Wholesale & retail | 2026 |
| Amkleen Cleaning Services Ltd | Administrative & support | 2024 |
| AML Beauty Center Limited | Other services | 2025 |
| AML Foods Limited | Hospitality | 2020 |
| Amlo Biosciences Limited | Professional & scientific | 2017 |
| Amlofts Ltd | Construction | 2022 |
| Amlps Estates Ltd | Real estate | 2022 |
| Amlt Care Regulations Ltd | Public administration | 2023 |
| Amluxe Ltd | Professional & scientific | 2020 |
| AMM Constructions (MCR) Ltd | Construction | 2018 |
| AMM Medical Limited | Health & social care | 2019 |
| Ammanford Nails Ltd | Other services | 2022 |
| Ammar & Wadhah Trading Company Ltd | Wholesale & retail | 2025 |
| Ammar Al-Waeli Trading Company Limited | Wholesale & retail | 2025 |
| Ammar and Ahmad Ltd | Other services | 2024 |
| Ammar Investment Ltd | Financial services | 2018 |
| Ammar Tabassum Limited | Professional & scientific | 2014 |
| Ammartuk Limited | Wholesale & retail | 2025 |
| Ammenn Group Limited | Transport & logistics | 2020 |