| AMB Creative Living Ltd | Professional & scientific | 2026 |
| AMB Leisure Services Ltd | Arts & recreation | 2020 |
| AMB Securities Limited | Financial services | 2013 |
| Ambassador (Southern) Limited | | 1992 |
| Ambassador Loft Extensions Limited | Construction | 2022 |
| Ambrose Commercial Group Ltd | Real estate | 2023 |
| Ambrose Property Group UK Ltd | Real estate | 2016 |
| Amelia Rose Trading Ltd | Wholesale & retail | 2021 |
| Amery Aesthetics Ltd | Health & social care | 2015 |
| AMF Builders Ltd | Construction | 2025 |
| Amfortas Limited | Manufacturing | 2012 |
| AMH Healthcare Limited | Health & social care | 2023 |
| Amibara Limited | Agriculture & fishing | 2010 |
| Amicus TDL Systems Ltd | Information & communication | 2013 |
| Amitc Limited | Information & communication | 2019 |
| Amls Consultancy Ltd | Professional & scientific | 2012 |
| Amore Dagmara Ltd | Other services | 2025 |
| Amosola Limited | Professional & scientific | 2018 |
| Ampleglass Limited | Real estate | 1995 |
| Amplitude Clinical Services Limited | Administrative & support | 2010 |
| AMS Garages Limited | Wholesale & retail | 2015 |
| AMS People Limited | Professional & scientific | 2006 |
| Amusement Resource Network Limited | Manufacturing | 2021 |
| Anamcara Solutions Ltd | Health & social care | 2014 |
| Ananci Studio Ltd | Administrative & support | 2017 |
| Anatomic Consulting Limited | Health & social care | 2021 |
| Anayah Technologies Ltd | Wholesale & retail | 2026 |
| Anays Transort Ltd | Transport & logistics | 2021 |
| Anaz Balti Limited | Hospitality | 2024 |
| Anaz Takeaway Limited | Hospitality | 2026 |
| Anbrian (Cheltenham) Limited | Real estate | 1973 |
| Ancient Grudge Limited | Other services | 2024 |
| Ando FD Consultancy Services Ltd | Professional & scientific | 2018 |
| Andreica Trans Ltd | Transport & logistics | 2018 |
| Andrew Davis Partnership LLP | | 2002 |
| Andrew Grant Lettings Ltd | Real estate | 2020 |
| Andrew Grant Limited | Real estate | 2020 |
| Andrew Grant Sales Ltd | Real estate | 2020 |
| Andrew Grant Services Limited | Agriculture & fishing | 1977 |
| Andrew Gregory Partnership Ltd | Wholesale & retail | 2014 |
| Andrew J Cross Limited | Transport & logistics | 2025 |
| Andrew Johns Consulting Ltd | Professional & scientific | 2020 |
| Andrew Macpherson Ltd | Construction | 2015 |
| Andrew Oliver Agencies Limited | Professional & scientific | 2016 |
| Andrew Watson Consulting Limited | Professional & scientific | 2007 |
| Andrews Management Services Ltd | Administrative & support | 2008 |
| Androclus Limited | Real estate | 2022 |
| Andy Butler Ltd | Information & communication | 2018 |
| Andy Pack Car Care Centre Limited | Wholesale & retail | 2005 |
| Andy Price Ltd | Professional & scientific | 2014 |
| Andy Roofing&Construction Limited | Construction | 2023 |
| Andy Wintle HV Earthing & Fitting Ltd | Construction | 2015 |
| ANE Innovations Limited | Health & social care | 2024 |
| Angel & Marsh Property Group Ltd | Real estate | 2025 |
| Angel Centre (Worcester) | Hospitality | 1986 |
| Angel Hands Childcare Limited | Administrative & support | 2014 |
| Angel Mall (Worcester) Ltd | Real estate | 2017 |
| Angel Risk Limited | Administrative & support | 2019 |
| Angela Edwards Limited | Wholesale & retail | 2009 |
| Angela Kerr Designs Limited | Manufacturing | 2022 |
| Anglian Finance Company Limited | Professional & scientific | 1976 |
| Anglo European Pallets Ltd | Manufacturing | 1998 |
| Angry Kitten Productions Ltd | Information & communication | 2023 |
| Anja Potze Fine Jewellery Limited | Manufacturing | 2008 |
| Anja Potze Property Limited | Real estate | 2026 |
| Ankerdine Machinery Limited | Manufacturing | 2023 |
| Anna Simpson Enterprises Ltd | Professional & scientific | 2018 |
| Annabel Owen Interior Design Limited | Arts & recreation | 1995 |
| Annathan Company Limited | Extraterritorial | 1990 |
| Anna’S Domestic Cleaning Limited | Administrative & support | 2024 |
| Annes 5 Star Cleaning Ltd | Administrative & support | 2025 |
| Annexe by Future Rooms Limited | Construction | 2021 |
| Annik Associates Limited | Professional & scientific | 2000 |
| Annobolt Ltd | Wholesale & retail | 2026 |
| Another Holding Company Limited | Financial services | 2024 |
| Ansa Holdings Ltd | Real estate | 2022 |
| Ansador Projects Limited | Administrative & support | 2025 |
| Ansador Services Limited | Administrative & support | 2025 |
| Ansteys of Worcester Limited | Agriculture & fishing | 2014 |
| Antcare Limited | Health & social care | 2023 |
| Anthony Douglas Homes (Worcester) Limited | Real estate | 2017 |
| Anthony Douglas Homes Ltd | Real estate | 1991 |
| Antiquespages Ltd | Extraterritorial | 2000 |
| Antistasi Co Ltd | Wholesale & retail | 2026 |
| Anushapraveen Limited | Health & social care | 2025 |
| ANZ Products Ltd | Wholesale & retail | 2024 |
| AOD Nutrition Ltd | Health & social care | 2022 |
| AP Global Consultancy Ltd | Information & communication | 2017 |
| AP Jauncey Construction Limited | Construction | 2015 |
| AP Morgan Lettings Limited | Real estate | 2020 |
| APD Contracting Limited | Professional & scientific | 2022 |
| Apeiron Consulting Ltd | Professional & scientific | 2023 |
| Apex Bullion Ltd | Wholesale & retail | 2026 |
| Apex Cloud Consultancy Limited | Information & communication | 2021 |
| Apex Krishna Ltd | Wholesale & retail | 2025 |
| Apex Medical Respiratory Ltd | Wholesale & retail | 2009 |
| Apex Network Planning Ltd | Information & communication | 2017 |
| Apex Retrofit Ltd | Other services | 2025 |
| Apex Site Engineering Limited | Construction | 2013 |
| Apms Aviation Limited | Professional & scientific | 2010 |