| AMF Ventures Limited | Wokingham | 2002 |
| Amfa (Southampton) Holdings Limited | Chandlers Ford | 2015 |
| Amfam Ltd | Northwood | 2025 |
| Amfin Limited | Walton On Thames | 1982 |
| Amfml Holding Limited | London | 2026 |
| Amfoods Group Holdings Ltd | Sevenoaks | 2024 |
| AMG 2023 Holdings Ltd | London | 2023 |
| AMG Capital Partners Limited | Tunbridge Wells | 2001 |
| AMG Care Services Group Limited | Stone | 2012 |
| AMG Engineering Supplies (Holdings) Limited | Batley | 2023 |
| AMG Engineering Supplies (Investments) Limited | Batley | 2023 |
| AMG Financial Management Ltd | Twickenham | 2009 |
| AMG Financial Solutions Limited | Cheadle | 2004 |
| AMG Funding Ltd | London | 2018 |
| AMG Holdings (South East) Ltd | Bexhill-On-Sea | 2024 |
| AMG Imas Limited | Godalming | 2011 |
| AMG Insurance Brokers Ltd | Belfast | 2021 |
| AMG Investment Holdings Ltd | Chichester | 2015 |
| AMG Plymouth UK Holdings (1) Limited | London | 2010 |
| AMG Private Finance Ltd | Twickenham | 2017 |
| AMG Property Finance Limited | Basingstoke | 2023 |
| AMG Wealth Holdings Limited | Derby | 2010 |
| AMG Wealth Management Ltd | Derby | 2021 |
| AMG Yorkshire (Holdings) Limited | Durham | 2022 |
| Amge UK Ltd | London | 2025 |
| Amgfinancialadvise Ltd | Sutton Coldfield | 2026 |
| Amgfish Ltd | Solihull | 2024 |
| Amglo Group Limited | Sidmouth | 2026 |
| Amgoorie Investments Limited | Near Sevenoaks | 1977 |
| Amgroup Holdings Limited | London | 2018 |
| AMH Capital Limited | London | 2017 |
| AMH Finance Limited | Leeds | 2013 |
| AMH Financial Ltd | Cheshire | 2015 |
| AMH Group Holdings Ltd | Blackburn | 2023 |
| AMH Material Handling Limited | Stoke On Trent | 2020 |
| AMH Resources Ltd | Merthyr Tydfil | 2023 |
| Amhar Ltd | Leicester | 2025 |
| Amherst & Shapland Limited | Minehead | 2007 |
| Amherst (HH) Limited | Bury St Edmunds | 2025 |
| Amherst (HM) Limited | Bury St Edmunds | 2025 |
| Amherst (MH) Limited | Bury St. Edmunds | 2025 |
| Amherst Financial Management Limited | Leamington Spa | 2002 |
| Amherst Group Holdings Limited | Bury St. Edmunds | 2025 |
| Amhill Financial Limited | Rayleigh | 2025 |
| Amhm Holdco Limited | Newcastle Upon Tyne | 2022 |
| Amhold Ltd | London | 2020 |
| Amhs Holdings Ltd | Birmingham | 2026 |
| Amht Financial Solutions Limited | Hull | 2015 |
| AMI (Zimbabwe) Ltd. | Berwick Upon Tweed | 1998 |
| AMI Financial Products Ltd | Mansfield | 2014 |
| AMI Financial Solutions Limited | Glasgow | 2016 |
| AMI Group Holdings Ltd | Ringwood | 2019 |
| AMI Hamilton Limited | Hamilton | 2024 |
| AMI Holdings Limited | London | 2017 |
| AMI Ltd | Bristol | 2026 |
| AMI Management Limited | London | 2005 |
| AMI Medici Ltd | London | 2021 |
| Amia Capital Advisors Ltd | London | 2016 |
| Amia Wealth Management Ltd | Edinburgh | 2018 |
| Amiae Ventures Ltd | Hertford | 2026 |
| Amiben Holdings Ltd | Burry Port | 2021 |
| Amica Corporate Finance Limited | Witney | 2024 |
| Amica Financial Wellbeing Limited | Stratford-Upon-Avon | 2020 |
| Amica Group Holdings Ltd | Manchester | 2026 |
| Amical Holdings Limited | Bristol | 2021 |
| Amicala Weybridge Limited | London | 2021 |
| Amici Actuarial Consulting Ltd | Edinburgh | 2014 |
| Amici DI Lanzante UK Limited | Mildenhall | 2026 |
| Amici Miei Group Ltd | London | 2013 |
| Amico Capital Limited | Coventry | 2014 |
| Amico Private Wealth Limited | Cardiff | 2011 |
| Amicorp Financial Markets (UK) Ltd | London | 2024 |
| Amicorp FS (UK) PLC | London | 2023 |
| Amicorp Global Markets (UK) Limited | London | 2016 |
| Amicorp Trustees (UK) Limited | London | 2021 |
| Amicum Partners Limited | Henley-On-Thames | 2024 |
| Amicura Care Group Limited | Addlestone | 2026 |
| Amicura Holdings Limited | Addlestone | 2018 |
| Amicus (Bristol) Limited | Bristol | 2012 |
| Amicus Aspiring Care Limited | Barnstaple | 2023 |
| Amicus Asset Finance Group Limited | London | 2001 |
| Amicus Asset Finance Limited | London | 2001 |
| Amicus Asset Leasing Limited | London | 2016 |
| Amicus Equipment Finance Limited | London | 2018 |
| Amicus Finance Limited | London | 2009 |
| Amicus Group Holdings Limited | Yeovil | 2016 |
| Amicus Insurance Solutions Ltd | London | 2009 |
| Amicus Investment Company Limited | Yeovil | 2026 |
| Amicus Leasing Limited | London | 1996 |
| Amicus Structured Finance Limited | London | 2006 |
| Amie Leigh Counselling Ltd | Bristol | 2012 |
| Amifa Financial Engineering Limited | Porth | 2015 |
| Amiga Specialty Holdings Limited | London | 2025 |
| Amiga Specialty Limited | London | 2025 |
| Amigo Group Holdings Ltd | Llanelli | 2025 |
| Amigo Holdings (South) Ltd | Eastleigh | 2026 |
| Amigo Loans Group Ltd | 1 Oxford Street | 2017 |
| Amigo Loans Holdings Ltd | Manchester | 2017 |
| Amigo Loans Ltd | Manchester | 2003 |
| Amigo Management Services Ltd | Manchester | 2005 |