| AM 1 Properties Holdco Limited | Chatham | 2019 |
| AM 1 Properties Newco Limited | Chatham | 2019 |
| AM 360 Financial Planning Limited | Sutton Coldfield | 2022 |
| AM Asset Holdings Limited | Edinburgh | 2024 |
| AM Aureum Limited | London | 2025 |
| AM Bell Industrial Properties Limited | Macclesfield | 2023 |
| AM Capital Holdings Ltd | Bristol | 2025 |
| AM Care Holdings Limited | Sutton Coldfield | 2023 |
| AM Commercial & Specialist Finance Ltd | Wootton | 2024 |
| AM Commercial Holding Ltd | London | 2022 |
| AM Fahh Holdings Ltd | Woodford Green | 2025 |
| AM Financial Ltd | Bradford | 2018 |
| AM Financial Planning Limited | London | 2009 |
| AM Global Group Ltd | London | 2023 |
| AM Global Partners Limited | Letchworth Garden City | 2025 |
| AM Grey Holdco Ltd | Caterham | 2025 |
| AM Groupco Ltd | Windsor | 2025 |
| AM Hockley Holdings Limited | Bishops Stortford | 2019 |
| AM Holdings and Investments Ltd | Leeds | 2024 |
| AM Holdings Ltd | Mirfield | 2023 |
| AM Hope Holdings Ltd | London | 2026 |
| AM I Insured? Ltd | London | 2020 |
| AM Insights Technology Limited | London | 2020 |
| AM Investing Group Ltd | London | 2024 |
| AM Investment Asset Ltd | London | 2024 |
| AM Investments Group Limited | Sanderstead | 2025 |
| AM Kirk Holdings Limited | Attleborough | 2025 |
| AM Legacy Holdings Ltd | Iver | 2026 |
| AM MAC Property Holdings Limited | Bury St Edmonds | 2024 |
| AM Moran Holdings Limited | Stafford | 2009 |
| AM Mortgage & Financial Services Limited | Kent | 2003 |
| AM Mortgage Solutions Ltd | Wootton | 2020 |
| AM Mortgages (NE) Limited | Hartlepool | 2017 |
| AM Newson Ltd | Liverpool | 2019 |
| AM Partners Ltd | London | 2026 |
| AM Pearson Holdings Limited | Sheffield | 2025 |
| AM Plant Holdings Ltd | St. Helens | 2021 |
| AM Private Markets Consultancy Ltd | Uxbridge | 2025 |
| AM Properties London Ltd | Ilford | 2020 |
| AM Protection Ltd | Stevenage | 2026 |
| AM PUB Enterprises Limited | London | 2022 |
| AM Robb Investments Ltd | Wellington | 2021 |
| AM Smiles Ltd | London | 2026 |
| AM Specialty Insurance Company (UK) Ltd | London | 2025 |
| AM Technologies Limited | London | 2020 |
| AM Transport Services Holdings Limited | Belfast | 2021 |
| AM Transport Services Topco Limited | Belfast | 2025 |
| AM Trusted Finance Ltd | Bishopton | 2026 |
| AM Unique Group Ltd | Blackwood | 2025 |
| Am&A Investment & Pension Planning Limited | London | 2004 |
| Am&G Holdings Ltd | Tredegar | 2019 |
| Am&Mc Limited | London | 1997 |
| Am&Rm Holdings Ltd | South Croydon | 2024 |
| Am&Se Trading Limited | Newport | 2026 |
| Am&Slr Holding Ltd | London | 2022 |
| Am.Wallace Limited | Liverpool | 2015 |
| AM1 Construction Group Ltd | Newhey | 2026 |
| AM1 Group Ltd | Chatham | 2016 |
| AM3 Holdings Ltd | London | 2018 |
| AM4 Holdings Ltd | London | 2016 |
| AM46 Holdings Ltd | Hemel | 2021 |
| AM7 Holding Ltd | Bournemouth | 2025 |
| AM88 Investments Limited | Billingham | 2025 |
| AM93 Limited | Scarborough | 2024 |
| AMA 1 Ltd | Worcester Park | 2023 |
| AMA Care Group Ltd | Bradford | 2024 |
| AMA EOT Ltd | Bury St. Edmunds | 2022 |
| AMA Executive Holdings Ltd | Cheltenham | 2025 |
| AMA Financial Ltd | Birmingham | 2021 |
| AMA Financial Services Limited | Canvey Island | 2021 |
| AMA Green Limited | Carmarthen | 2022 |
| AMA Group Holdings Limited | Cardiff | 2025 |
| AMA Growth Ltd | London | 2022 |
| AMA Insurance Services Ltd | Stoke-On-Trent | 2009 |
| AMA Invest Ltd | Ipswich | 2000 |
| AMA Leaders Holding Ltd | Shifnal | 2025 |
| AMA Power Ltd | Cardiff | 2025 |
| AMA UK Investments NO1 Ltd | London | 2024 |
| AMA Venture Capital Investments Ltd | London | 2024 |
| Amaa Holdings Ltd | Ilford | 2024 |
| Amaanah Capital Group Ltd | Harrow | 2026 |
| Amac 1 Investments Ltd | London | 2019 |
| Amac Consultancy Limited | Wisbech | 2014 |
| Amac Mortgages Limited | Poole | 2001 |
| Amac Vest Ltd | London | 2021 |
| Amaco Capital Limited | Bourne End | 2021 |
| Amacor Capital Limited | Bury | 2018 |
| Amad Consulting Limited | Southampton | 2025 |
| Amada Investments Limited | Hampshire | 2025 |
| Amade Ltd | Farnham | 2013 |
| Amadeo Group Ltd | Grimsby | 2026 |
| Amadeus Capital Holdings Limited | London | 2021 |
| Amadeus Capital Partners Limited | Cambridge | 1997 |
| Amadeus Commercial Finance Ltd | London | 2018 |
| Amadeus Financial Services Ltd | Harrow | 2021 |
| Amadeus General Partner Limited | Edinburgh | 1997 |
| Amadeus Online Limited | London | 2004 |
| Amadeus Partners Limited | Cambridge | 1998 |
| Amadeus Wolf Ltd | London | 2025 |
| Amadito Holdings Ltd | London | 2025 |