| Amadys UK Limited | Altrincham | 2020 |
| Amae Limited | Loughton | 2018 |
| Amafhh Traders Ltd | Watford | 2022 |
| Amafhha Limited | London | 2012 |
| Amafhhar Limited | Mayfair | 2014 |
| Amahaj Investments 1 Ltd | Leamington Spa | 2026 |
| Amai Group Limited | Canterbury | 2025 |
| Amai Holding Limited | Bolton | 2025 |
| Amaik Investments Ltd | Greenford | 2025 |
| Amaiz Ltd | London | 2017 |
| Amaiz Wealth Ltd | London | 2017 |
| Amajas Ltd | Nottingham | 2024 |
| Amak Group Holdings Ltd | London | 2025 |
| Amakor Capital Services (UK) Ltd | London | 2014 |
| AMAKSUK3 Limited | London | 2023 |
| Amal Holdings and Investments Limited | Harrow | 2025 |
| Amal Invest Limited | London | 2025 |
| Amal UK Express Limited | London | 2006 |
| Amal UK Limited | London | 2003 |
| Amalek Limited | Warwick | 2010 |
| Amalfi Bidco Limited | Uxbridge | 2022 |
| Amalfi Cleanco Limited | Uxbridge | 2022 |
| Amalfi Finance Company Limited | Weybridge | 2025 |
| Amalfi Holdings Limited | Weybridge | 2025 |
| Amalfi Midco Limited | Uxbridge | 2022 |
| Amalfie Holdings Limited | Attleborough | 2026 |
| Amalga Holdings Limited | West Drayton | 2025 |
| Amalgam 2020 Limited | Bristol | 2020 |
| Amalgamated Finance Limited | Manchester | 2008 |
| Amalgamated Holdings Wilkinson Limited | Nottingham | 2017 |
| Amalgamated Metal Trading Limited | London | 1919 |
| Amalgb Ltd | London | 2025 |
| Amalie Infrastructure Limited | London | 2007 |
| Amalie PFI (UK) Limited | London | 2006 |
| Amalte Ltd | London | 2022 |
| Amalthea Bidco Limited | Winsford | 2021 |
| Amalthea Holdco Limited | Winsford | 2021 |
| Amalthea Investments Limited | London | 2024 |
| Amalthea Midco Limited | Winsford | 2021 |
| Amalthea U.K. Limited | London | 2021 |
| Aman Capital Ltd | Leicester | 2023 |
| Aman H Ltd | Sheffield | 2021 |
| Aman Khan Limited | Keighley | 2022 |
| Aman Reliable Business Ltd | London | 2020 |
| Aman Remit Limited | Manchester | 2024 |
| Amana Accountant Ltd | Swansea | 2022 |
| Amana Capital East Africa Limited | Dundee | 2026 |
| Amana Capital Limited | London | 2012 |
| Amana Transfer Ltd | Glasgow | 2025 |
| Amanaah Remit Ltd | Sutton | 2026 |
| Amanah Alliance Limited | Aylesbury | 2025 |
| Amanah Finance Ltd | Walsall | 2025 |
| Amanah Financial Limited | Derby | 2025 |
| Amanah Group Holdings Limited | London | 2025 |
| Amanah Group Ltd | Birmingham | 2020 |
| Amanah Holdings Group Ltd | Bury St. Edmunds | 2025 |
| Amanah Private Capital Management Ltd | Stoke-On-Trent | 2026 |
| Amanda Gordon Limited | Derby | 2007 |
| Amanda Holden Financial Planning Ltd | Benfleet | 2023 |
| Amanda Hoppe Ltd | Wellingborough | 2025 |
| Amanda Jamieson Financial Services Ltd | Glasgow | 2025 |
| Amanda Wyatt Holdings Limited | Wilmslow | 2014 |
| Amandala Neuro Limited | Pimlico | 2017 |
| Amaneku Limited | Farnham | 2026 |
| Amanet Group Limited | London | 2026 |
| Amanex Holdings Ltd | London | 2025 |
| Amani Fintech Ltd | Liverpool | 2025 |
| Amaniki Limited | Braintree | 2019 |
| Amanita Labs Ltd | Cardiff | 2021 |
| Amante Holdco Ltd. | Esher | 2022 |
| Amantia Holdings Limited | Maidstone | 2025 |
| Amany Properties Limited | London | 2020 |
| Amanzi Resources Limited | Watford | 2012 |
| Amar Capital Limited | London | 2014 |
| Amar Enterprises Limited | | 1989 |
| Amar Ghattaura Holdings Ltd | Bridgend | 2021 |
| Amar Holdings Limited | Islington | 2018 |
| Amar M&J Holding Limited | Brentford | 2020 |
| Amara Capital Limited | Petersfield | 2019 |
| Amara Life Holdings Limited | London | 2018 |
| Amara Portfolio Ltd | Calne | 2023 |
| Amaral E Filhas Limited | London | 2014 |
| Amaranth BTL 2026-1 Parent Limited | London | 2026 |
| Amaranth BTL 2026-1 PLC | London | 2026 |
| Amare Estates Limited | Leamington Spa | 2023 |
| Amare Events Ltd | Greenhithe | 2019 |
| Amare Holdings Ltd | Hitchin | 2022 |
| Amarel-Ameroc Holdings Ltd | Bristol | 2024 |
| Amarela Limited | London | 2023 |
| Amaretti Limited | London | 2022 |
| Amargosa Holdings Limited | Liverpool | 2017 |
| Amari Derby Ltd | Derby | 2026 |
| Amari Global Limited | London | 2025 |
| Amari International Investments Limited | Portsmouth | 2021 |
| Amari LLC Ltd | London | 2025 |
| Amarillo Twenty Limited | Leicester | 2018 |
| Amaris Advisory & Consulting Limited | St. Albans | 2022 |
| Amaris Capital Ltd | London | 2014 |
| Amaris Global Limited | Stansted | 2025 |
| Amaris Investments Ltd | London | 2019 |