| Amom Properties Ltd | Administrative & support | 2025 |
| Amor Lash Pro Ltd | Other services | 2017 |
| Amore Aesthetics Clinic Limited | Other services | 2022 |
| Amore Aesthetics Training Limited | Other services | 2022 |
| Amore Bathrooms Limited | Construction | 2025 |
| Amore Wellness Ltd | Other services | 2026 |
| Amountport Limited | Real estate | 1995 |
| AMP Consultancy Ltd | Education | 2023 |
| AMP Hotel Group Ltd | Hospitality | 2020 |
| AMP Trade Ltd | Wholesale & retail | 2026 |
| AMP24 Ltd | Health & social care | 2024 |
| Ampa Construction Ltd | Construction | 2017 |
| Ampee Holdings Ltd | Real estate | 2024 |
| Ampex Contractors Ltd | Construction | 2021 |
| Amplifi Studio LLP | | 2024 |
| Amplify Energy Ltd | Construction | 2025 |
| Ampm Services Limited | Professional & scientific | 2021 |
| Amprocon Limited | Professional & scientific | 2024 |
| Amro Management Services Limited | Professional & scientific | 2024 |
| Amrs Consultancy Service Limited | Professional & scientific | 2014 |
| AMS Agricultural Holdings Limited | Agriculture & fishing | 2021 |
| AMS Developments (NW) Ltd | Real estate | 2025 |
| AMS Electrical Installations Ltd | Construction | 2020 |
| AMS Investment Services Limited | Financial services | 2024 |
| AMS Properties NW Ltd | Other services | 2024 |
| AMS Property Maintenance Ltd | Construction | 2025 |
| AMS Surveyors Limited | Administrative & support | 2019 |
| AMS Surveys Limited | Professional & scientific | 2022 |
| Amsho Global Translation Ltd | Manufacturing | 2022 |
| Amsreworld Ltd | Wholesale & retail | 2022 |
| Amsted Care Services Ltd. | Administrative & support | 2022 |
| AMT Project Group Ltd | Construction | 2023 |
| AMT Property Management Ltd | Administrative & support | 2017 |
| Amtc Ltd | Real estate | 2025 |
| Amuzie Properties Ltd | Real estate | 2023 |
| Amvest Limited | Real estate | 2018 |
| AMX (Universal) Ltd | Professional & scientific | 2011 |
| AMX Mchinery Ltd | Wholesale & retail | 2026 |
| AMY by AMY Ltd | Other services | 2023 |
| AMY Estates Limited | Real estate | 2017 |
| AMY Gleeson Ltd | Professional & scientific | 2025 |
| AMY K Consulting Ltd | Professional & scientific | 2025 |
| AMY Mathers Ltd | Wholesale & retail | 2022 |
| AMY Nicholson Consulting Ltd | Professional & scientific | 2020 |
| AMY Warner Permanent Cosmetics Ltd | Other services | 2021 |
| Amy.Wellbeing Ltd | Health & social care | 2021 |
| Amys Flavour Twist Ltd | Hospitality | 2025 |
| Amys Lpool Pizza Ltd | Hospitality | 2023 |
| Amys Pizza Limited | Hospitality | 2026 |
| AMZ Express Ltd | Transport & logistics | 2023 |
| AMZ NW Limited | Wholesale & retail | 2026 |
| AN & GL Fleet Consultancy Ltd | Professional & scientific | 2026 |
| AN Digital PVT Ltd | Professional & scientific | 2025 |
| AN Hour for Others | Education | 2017 |
| AN Media Ltd | Professional & scientific | 2023 |
| AN NAM Entertain Limited | Hospitality | 2018 |
| ANA Courier Services Ltd | Transport & logistics | 2025 |
| ANA One Construction Limited | Construction | 2025 |
| Anachronism IT Ltd | Information & communication | 2026 |
| Anadco Int'L Ltd | Information & communication | 2009 |
| Anaesthetics Consultancy | Health & social care | 2016 |
| Anahaw Property Management Services Ltd | Real estate | 2025 |
| Anakin Ltd | Construction | 2021 |
| Analex Ltd | Real estate | 2019 |
| Analog Films Ltd | Information & communication | 2018 |
| Anane Investments Limited | Real estate | 1994 |
| Ananth Store Ltd | Wholesale & retail | 2015 |
| Anar Prescot Road Ltd | Hospitality | 2024 |
| Anar Shawarma Ltd | Hospitality | 2025 |
| Anarchy Investments Ltd | Financial services | 2023 |
| Anarchy Productions CIC | Information & communication | 2026 |
| Anarkali Maghull Ltd | Hospitality | 2024 |
| Anas Plumbing Ltd | Construction | 2025 |
| Anasa Properties Ltd | Real estate | 2025 |
| Anata AB Ltd | Wholesale & retail | 2025 |
| Anaterra Ltd | Financial services | 2023 |
| Anaya Services Limited | Hospitality | 2025 |
| Anazia Ltd | Other services | 2020 |
| Anbast Limited | Information & communication | 2014 |
| Anbl Heating Services Limited | Construction | 2024 |
| Anbu Labs Ltd | Information & communication | 2026 |
| ANC Assets Limited | Real estate | 2026 |
| Anchor Computer Systems (Holdings) Limited | Financial services | 2005 |
| Anchor Governance & Compliance Ltd | Professional & scientific | 2026 |
| Anchor Roller Shutters Limited | Construction | 2006 |
| Anchorian Ltd | Real estate | 2020 |
| Anco Consulting Limited | Professional & scientific | 2017 |
| Ancorra Environmental Services Ltd | Water & waste | 2012 |
| AND Again Ltd | Information & communication | 2018 |
| AND Distil Limited | Manufacturing | 2023 |
| AND Serve Limited | Administrative & support | 2020 |
| Andaul Limited | Administrative & support | 2008 |
| Andem Properties (Holdings) Limited | Real estate | 1998 |
| Anderson Anaesthesia Ltd | Health & social care | 2025 |
| Anderson Reupholstery Ltd | Other services | 2019 |
| Anderson Ross Developments Limited | Real estate | 2015 |
| Anderton & Co Solicitors Ltd | Professional & scientific | 2018 |
| Anderton Dockside Drinks Ltd | Wholesale & retail | 2025 |
| Andes R & D Consulting Limited | Professional & scientific | 2021 |
| Andor Touring Ltd | Arts & recreation | 2025 |