| Amperous Ltd | Manufacturing | 2018 |
| Ampersand Projects CIC | Arts & recreation | 2016 |
| Amphicell Ltd | Wholesale & retail | 2024 |
| Ample Asset Limited | Real estate | 2016 |
| Ample Foods Limited | Wholesale & retail | 2013 |
| Ample House Limited | Real estate | 2020 |
| Ample Inc Ltd | Professional & scientific | 2025 |
| Ample International Limited | Wholesale & retail | 2021 |
| Ampletech Ltd | Information & communication | 2015 |
| Amplified Behaviour Ltd | Professional & scientific | 2019 |
| Ampliflow Ltd | Professional & scientific | 2025 |
| Amplifya Services Limited | Wholesale & retail | 2022 |
| Amplivox Limited | Manufacturing | 1971 |
| Amplo Active Ltd | Education | 2025 |
| Ampm (Contracting) Limited | Professional & scientific | 2018 |
| Amps Property Holdings Limited | Real estate | 2025 |
| Ampsal Ltd | Manufacturing | 2025 |
| Ampthill Maulden Limited | Real estate | 2024 |
| Ampton Developments Ltd | Real estate | 2005 |
| Ampw Investments Ltd | Financial services | 2026 |
| Amqdistributors Ltd | Wholesale & retail | 2026 |
| AMR Builders Ltd | Construction | 2026 |
| AMR Digital Ltd | Professional & scientific | 2020 |
| AMR Housing Limited | Real estate | 2023 |
| AMR Legal Limited | Professional & scientific | 2026 |
| AMR Properties Investments Ltd | Real estate | 2025 |
| Amra C2B Group Limited | Information & communication | 2015 |
| Amra Solutions Ltd | Professional & scientific | 2025 |
| Amradnet UK Limited | Health & social care | 2023 |
| Amran Motors Ltd | Wholesale & retail | 2016 |
| Amrath Dream Ltd | Wholesale & retail | 2024 |
| Amrcuk Limited | Education | 2024 |
| Amreet Medical Limited | Health & social care | 2016 |
| Amrii Ltd | Transport & logistics | 2025 |
| Amriko Ltd | Transport & logistics | 2025 |
| Amriko Wholesale Ltd | Wholesale & retail | 2021 |
| Amris Blinds Ltd | Wholesale & retail | 2020 |
| Amrit Builders Limited | Construction | 2021 |
| Amrit Daiya Limited | Real estate | 2019 |
| Amrit Jewellers Ltd | Wholesale & retail | 2025 |
| Amrit Transport Solutions Ltd | Transport & logistics | 2023 |
| Amritsari Tarka Soho Ltd | Hospitality | 2023 |
| Amritsari Veggie HUT Ltd | Hospitality | 2023 |
| Amro Amasha Limited | Public administration | 2024 |
| Amrok Limited | Wholesale & retail | 2018 |
| Amron Ltd | Wholesale & retail | 2024 |
| Amrovan Limited | Extraterritorial | 2017 |
| Amrsd Limited | Health & social care | 2020 |
| Amrt Limited | Wholesale & retail | 2024 |
| Amrw Investments Limited | Extraterritorial | 2024 |
| AMS 2 Holdings Limited | Financial services | 2017 |
| AMS 2 Ltd | Professional & scientific | 2018 |
| AMS Bathrooms Limited | Wholesale & retail | 2020 |
| AMS Collection Ltd | Wholesale & retail | 2010 |
| AMS Locums Limited | Health & social care | 2009 |
| AMS Roien Constructions Limited | Construction | 2025 |
| AMS Star Ltd | Health & social care | 2015 |
| AMS Ventilation UK Ltd | Manufacturing | 2026 |
| AMS Warehouse Limited | Wholesale & retail | 2022 |
| Amsa Direct Limited | Wholesale & retail | 2009 |
| Amsa Infosec Ltd | Information & communication | 2014 |
| Amsa Realty Ltd | Real estate | 2023 |
| Amsara Ltd | Arts & recreation | 2021 |
| Amsdn Ltd | Health & social care | 2021 |
| Amsf Ltd | Real estate | 2017 |
| Amshow Takeaway Ltd | Hospitality | 2025 |
| Amsk Ltd | Hospitality | 2023 |
| Amsk Properties Ltd | Real estate | 2021 |
| Amska International Limited | Wholesale & retail | 2018 |
| AMSOLUTION247 Ltd | Professional & scientific | 2020 |
| Amson Holdings Limited | Real estate | 2020 |
| Amson Securities Limited | Real estate | 2017 |
| Amson'Sofficial Ltd | Wholesale & retail | 2025 |
| Amsons Auto Services Limited | Wholesale & retail | 2016 |
| Amsons Group Bradford Ltd | Wholesale & retail | 2024 |
| Amsons Group Franchise Ltd | Administrative & support | 2024 |
| Amsons Group Holdings Ltd | Financial services | 2024 |
| Amsons Group Investments Ltd | Real estate | 2024 |
| Amsons Group Online Ltd | Administrative & support | 2024 |
| Amsons Group Small Heath Ltd | Wholesale & retail | 2024 |
| Amsons Housing Limited | Hospitality | 2025 |
| Amsons Ltd | Wholesale & retail | 2024 |
| Amsons Shah Properties Limited | Real estate | 2020 |
| Amsraj Estates Ltd | Real estate | 2024 |
| Amss Ltd | Hospitality | 2019 |
| Amstead Ltd | Real estate | 2023 |
| Amstor Accountants Limited | Professional & scientific | 2008 |
| Amsua Halal Foods Ltd | Wholesale & retail | 2018 |
| Amsulsh Ltd | Wholesale & retail | 2025 |
| Amsustainchange Limited | Professional & scientific | 2017 |
| AMT Appeals Ltd | Administrative & support | 2026 |
| Amtis Holdings Ltd | Financial services | 2022 |
| Amtis Professional Ltd | Administrative & support | 2022 |
| Amtm Limited | Financial services | 2016 |
| Amto Trading Ltd | Wholesale & retail | 2023 |
| Amtt Interpreting Ltd | Public administration | 2010 |
| Amul Holdings Limited | Financial services | 2026 |
| Amusing Musical Guidance Limited | Education | 2018 |
| Amuthasurabii Price Buster Ltd | Wholesale & retail | 2018 |
| Amway (Europe) Limited | Other services | 1989 |