| AME Building Ltd | Construction | 2017 |
| AME Futures Ltd | Information & communication | 2015 |
| AME Property Maintenance Services Limited | Construction | 2020 |
| Amebella Hair Extensions Ltd | Other services | 2025 |
| Amech Heating Ltd | Construction | 2018 |
| Ameed Holdings Limited | Real estate | 2017 |
| Ameen Abdulmalek Hezam for Investment Ltd | Other services | 2024 |
| Ameen Qusailah Ltd | Wholesale & retail | 2025 |
| Ameena Therapy Centre Ltd | Wholesale & retail | 2025 |
| Ameer Group Limited | Wholesale & retail | 2026 |
| Ameer Hamza Store Limited | Wholesale & retail | 2025 |
| Ameer Plant Products (UK) Co., Ltd | Extraterritorial | 2022 |
| Ameer Travellers Limited | Administrative & support | 2025 |
| Ameh Medical Consultancy Ltd | Health & social care | 2010 |
| AMEI2023 Ltd | Wholesale & retail | 2023 |
| Amel (UK) Limited | Professional & scientific | 2001 |
| Amelia Group Ltd | Wholesale & retail | 2025 |
| Amelia Rose Floral Couture Limited | Wholesale & retail | 2020 |
| Amelia Traders Ltd | Wholesale & retail | 2023 |
| Amelia's Consulting Limited | Professional & scientific | 2026 |
| Amelie Heuer Limited | Wholesale & retail | 2025 |
| Amen Concept Services UK Ltd | Administrative & support | 2010 |
| Amenclean Ltd | Administrative & support | 2026 |
| Amends Roofing & Pointing Limited | Construction | 2024 |
| Ameo Holdings Limited | Administrative & support | 2024 |
| Amer Abdo Al-Qetwi Ltd | Wholesale & retail | 2026 |
| Amer Managements Ltd | Households | 2017 |
| Amerati Stayl Ltd | Wholesale & retail | 2025 |
| Amercare Limited | Manufacturing | 1989 |
| Amereto Limited | Hospitality | 2002 |
| American Company for Import and Export Ltd | Wholesale & retail | 2023 |
| American Global Auto Company Ltd | Wholesale & retail | 2026 |
| American PAN UK Ltd | Manufacturing | 1993 |
| American Pies MCR Ltd | Extraterritorial | 2020 |
| American Regal Nails Limited | Other services | 2025 |
| American Southern Fried Chicken Limited | Hospitality | 2003 |
| American Specialists Limited | Administrative & support | 1998 |
| American United International of Italy for Travel and Tourism Services Limited | Administrative & support | 2009 |
| Amerli Catering Ltd | Hospitality | 2025 |
| Amersham Ltd | Health & social care | 2015 |
| Amershams Digital Ltd | Administrative & support | 2016 |
| Amestown Limited | Real estate | 1981 |
| Amethyst Consultants Limited | Real estate | 1998 |
| Amethyst Events Limited | Administrative & support | 2006 |
| Amethyst Worldwide Limited | Administrative & support | 2007 |
| Ametis Consulting Ltd | Professional & scientific | 2020 |
| Ametros Facilities Management Limited | Administrative & support | 2011 |
| Amexa Retail Ltd | Wholesale & retail | 2021 |
| Amexcorp.Eu Ltd | Information & communication | 2022 |
| Amexo Group Limited | Wholesale & retail | 2022 |
| Amey Belfast Schools Partnership Hold Co Limited | Financial services | 2008 |
| Amey Belfast Schools Partnership PFI Co Limited | Real estate | 2008 |
| Amey FMP Belfast Strategic Partnership Hold Co Limited | Financial services | 2008 |
| Amey FMP Belfast Strategic Partnership SP Co Limited | Construction | 2008 |
| Amey Hallam Highways Holdings Limited | Financial services | 2012 |
| Amey Hallam Highways Limited | Real estate | 2012 |
| Amey Infrastructure Management (3) Limited | Financial services | 2018 |
| Amey Lighting (Norfolk) Holdings Limited | Financial services | 2007 |
| Amey Lighting (Norfolk) Limited | Administrative & support | 2007 |
| Amey Ventures Investments Limited | Financial services | 2003 |
| Amez Trade Ltd | Manufacturing | 2020 |
| Ameze Resources Ltd | Information & communication | 2025 |
| Amfah Ltd | Information & communication | 2014 |
| Amfh Ltd | Health & social care | 2023 |
| AMG Accident Management Ltd | Administrative & support | 2012 |
| AMG AL Mada Group Ltd | Professional & scientific | 2026 |
| AMG Developments (Marford) Ltd | Construction | 2022 |
| AMG Fast Logistics Limited | Transport & logistics | 2023 |
| AMG Law Services Ltd | Real estate | 2017 |
| AMG Medtech Limited | Health & social care | 2020 |
| AMG Properties MCR Ltd | Real estate | 2020 |
| AMG Studios Ltd | Arts & recreation | 2022 |
| AMG Surveyors Limited | Professional & scientific | 2009 |
| Amgc Limited | Hospitality | 2019 |
| Amgenius Ltd | Wholesale & retail | 2025 |
| AMH Brands Ltd | Wholesale & retail | 2022 |
| AMH Developers Ltd | Construction | 2020 |
| AMH Fashion Limited | Wholesale & retail | 2026 |
| AMH Joinery Limited | Construction | 2007 |
| AMH Medic Limited | Health & social care | 2022 |
| AMH Plumbing & Heating Contractors Ltd | Construction | 2009 |
| Amha Traders Limited | Wholesale & retail | 2023 |
| Amhara Community in Manchester CIC | Health & social care | 2025 |
| Amhca Ltd | Professional & scientific | 2023 |
| Amhk Services Limited | Professional & scientific | 2022 |
| AMI Collection Ltd | Wholesale & retail | 2023 |
| AMI North Ltd | Construction | 2012 |
| AMI Property Ltd | Real estate | 2025 |
| AMI Vienna UK Limited | Real estate | 2025 |
| AMI2RA Limited | Health & social care | 2010 |
| AMI3GO Ltd | Professional & scientific | 2019 |
| Amiabi Limited | Information & communication | 2025 |
| Amiable Medical Services Limited | Health & social care | 2015 |
| Amianto Operating Company Limited | Administrative & support | 2018 |
| Amica Connect Technologies Ltd | Information & communication | 2025 |
| Amica Digital Services Ltd | Information & communication | 2026 |
| Amica Group Holdings Ltd | Financial services | 2026 |
| Amica International Services Ltd | Professional & scientific | 2026 |
| Amicable Consulting Firm Limited | Administrative & support | 2019 |
| Amiccii Limited | Professional & scientific | 2025 |