| AMS Accounts (MCR) Limited | Professional & scientific | 2011 |
| AMS Advisory Midco Limited | Financial services | 2022 |
| AMS Audit Limited | Professional & scientific | 2011 |
| AMS Building Services Ltd | Construction | 2018 |
| AMS Business Recovery Ltd | Administrative & support | 2016 |
| AMS Central Limited | Professional & scientific | 2014 |
| AMS CF Topco Ltd | Financial services | 2022 |
| AMS Consulting Midco Ltd | Financial services | 2023 |
| AMS Corporate Finance Limited | Financial services | 2019 |
| AMS Debt Advisory Limited | Professional & scientific | 2023 |
| AMS for Cosmetics and Baby Care Ltd | Wholesale & retail | 2024 |
| AMS GB 1 Limited | Financial services | 2020 |
| AMS IB Limited | Financial services | 2024 |
| AMS Insolvency Midco Ltd | Financial services | 2022 |
| AMS Investors Ltd | Construction | 2025 |
| AMS Medical Holdings Limited | Other services | 2017 |
| AMS Private Client Limited | Professional & scientific | 2012 |
| AMS Properties Management Limited | Real estate | 2026 |
| AMS Property Investments Ltd | Financial services | 2018 |
| AMS Realty Ltd | Real estate | 2025 |
| AMS Rehab Limited | Health & social care | 2017 |
| AMS Solutions ( UK ) Ltd | Construction | 2013 |
| AMS Tax Innovations Limited | Professional & scientific | 2017 |
| AMS Tax Investigations Limited | Professional & scientific | 2024 |
| AMS Tax Midco Limited | Financial services | 2021 |
| AMS Transaction Services Limited | Professional & scientific | 2024 |
| AMS VAT Ltd | Professional & scientific | 2022 |
| AMS Wealth Management Midco Ltd | Financial services | 2023 |
| AMS Wholesale MCR Limited | Wholesale & retail | 2021 |
| Amsaf Limited | Health & social care | 2020 |
| Amsage 786 Limited | Real estate | 2022 |
| Amsage Limited | Real estate | 2022 |
| Amsavia Ltd | Real estate | 2024 |
| Amsco Investments Ltd | Financial services | 2015 |
| Amsef Ltd | Administrative & support | 2018 |
| Amsman Ltd | Real estate | 2015 |
| Amso Limited | Extraterritorial | 2012 |
| AMT Management Limited | Wholesale & retail | 2015 |
| AMT Tradex Limited | Information & communication | 2020 |
| Amta Properties Ltd | Real estate | 2022 |
| Amtaq Property Investments UK Limited | Real estate | 2021 |
| Amtec Global Ltd | Real estate | 2016 |
| Amtex Global Ltd | Transport & logistics | 2024 |
| AMU Gull Ltd | Wholesale & retail | 2019 |
| Amue Ltd | Administrative & support | 2024 |
| Amulet Windows MCR Ltd | Wholesale & retail | 2018 |
| Amum Group Ltd | Wholesale & retail | 2017 |
| Amum Logistics Ltd | Transport & logistics | 2025 |
| Amurco Limited | Information & communication | 2010 |
| Amurco Music Ltd | Administrative & support | 2017 |
| AMV Legal Limited | Professional & scientific | 2023 |
| Amvis Music Group Ltd | Wholesale & retail | 2023 |
| Amvn Limited | Administrative & support | 2025 |
| AMW (Realisations) Limited | Professional & scientific | 1953 |
| AMW Kitchens (NW) Ltd | Construction | 2017 |
| AMW Leisure Ltd | Wholesale & retail | 2017 |
| AMW Lift & Mobility Services Ltd | Wholesale & retail | 2009 |
| AMW Painting Ltd | Construction | 2025 |
| AMW Property Investments Ltd | Real estate | 2025 |
| Amwaj Catering Limited | Hospitality | 2025 |
| Amwaj Perfumes and Attars Ltd | Wholesale & retail | 2021 |
| Amwal Group Ltd | Real estate | 2026 |
| AMX Media Ltd | Information & communication | 2026 |
| AMY ANN Living Limited | Wholesale & retail | 2026 |
| AMY Cares Limited | Health & social care | 2020 |
| AMY Davidow Psychology Practice Ltd | Health & social care | 2025 |
| AMY Davin Dance Academy Limited | Arts & recreation | 2019 |
| AMY Hopkinson Consulting Ltd | Professional & scientific | 2026 |
| AMY King Creative Limited | Arts & recreation | 2015 |
| AMY Nails Beauty Limited | Other services | 2026 |
| AMY NIC Ltd | Arts & recreation | 2025 |
| AMY Rollings Ltd | Professional & scientific | 2026 |
| Amy&Daughters | Real estate | 2019 |
| Amyvan Limited | Transport & logistics | 2023 |
| AMZ Brands Ltd | Wholesale & retail | 2021 |
| AMZ Moon Ltd | Wholesale & retail | 2020 |
| AMZ Professional Ltd | Wholesale & retail | 2024 |
| AMZ Provided Ltd | Wholesale & retail | 2025 |
| AMZ Trade Ltd | Wholesale & retail | 2025 |
| Amza Tax Ltd | Professional & scientific | 2025 |
| Amzi Properties Ltd | Real estate | 2025 |
| Amzvi Estates Ltd | Real estate | 2023 |
| Amzx Hub Ltd | Wholesale & retail | 2025 |
| AN 10 Limited | Wholesale & retail | 2024 |
| AN Array of Stars Co Ltd | Wholesale & retail | 2026 |
| AN Artful Gardener Limited | Manufacturing | 2020 |
| AN Bargains Limited | Wholesale & retail | 2020 |
| AN Choudhury Ltd | Transport & logistics | 2021 |
| AN Daire Properties Ltd | Real estate | 2025 |
| AN Digital Marketing Limited | Professional & scientific | 2025 |
| AN Direct Limited | Wholesale & retail | 2019 |
| AN Honest Day's Work Ltd | Professional & scientific | 2024 |
| AN International Ventures Ltd | Financial services | 2022 |
| AN Marketing Ltd | Wholesale & retail | 2025 |
| AN Motor Group Ltd | Wholesale & retail | 2026 |
| AN Pizza Pizza Ltd | Hospitality | 2024 |
| AN Superstore Ltd | Wholesale & retail | 2019 |
| AN Supplies Limited | Hospitality | 2021 |
| AN Textiles Ltd | Wholesale & retail | 2021 |
| AN Tune Limited | Wholesale & retail | 2025 |