| AMG Clinical Ltd | Grantown-On-Spey | 2024 |
| AMG Composite Technologies Ltd | Cambridge | 2019 |
| AMG Consult Ltd | Hove | 2017 |
| AMG Consulting (NI) Limited | The Glassworks | 2008 |
| AMG Contracting Limited | Doncaster | 2015 |
| AMG Controls & Automation Ltd | Leicester | 2023 |
| AMG Controls Ltd | Southampton | 2021 |
| AMG Creative Limited | Wellington | 2003 |
| AMG Direct Limited | London | 2017 |
| AMG Energy Ltd | Dumbarton | 2016 |
| AMG Engineering Consultancy Ltd | Bromborough | 2013 |
| AMG Engineering Ltd | London | 2015 |
| AMG Engineering South West Ltd | Plymouth | 2025 |
| AMG Finance (Leicester) Ltd | Worcester Park | 2016 |
| AMG Financial UK Ltd | Chichester | 2013 |
| AMG Fire Consultancy Ltd | London | 2025 |
| AMG Fisher & Associates Limited | | 2002 |
| AMG Global Consultancy Ltd | Bishop'S Stortford | 2020 |
| AMG Graphics Limited | London | 2011 |
| AMG Healthcare Consultancy Ltd | Stafford | 2023 |
| AMG Holdings Limited | Buckinghamshire | 1988 |
| AMG Hotel and Resort Sales Ltd | Harrow | 2012 |
| AMG Hseq Consultancy Services Ltd | Dungannon | 2017 |
| AMG Inspection Services Ltd | Peterlee | 2024 |
| AMG Installations Ltd | St Albans | 2019 |
| AMG Lawyers Ltd | London | 2020 |
| AMG Management Consultants Limited | London | 2015 |
| AMG Management Services Ltd | St. Neots | 2025 |
| AMG Media Agency Limited | London | 2026 |
| AMG Piping Design Ltd | Stonehaven | 2010 |
| AMG Power Systems UK Ltd | Milton Keynes | 2018 |
| AMG Print Consultants Ltd | Tunbridge Wells | 2017 |
| AMG Professional Services Limited | Montrose | 2024 |
| AMG Project Specialists Limited | Stratford-Upon-Avon | 2015 |
| AMG Property Services Ltd | Cannock | 2019 |
| AMG Retail Consultancy Limited | Cleckheaton | 2024 |
| AMG Sealing Limited | London | 2010 |
| AMG Surveyors Limited | Manchester | 2009 |
| AMG Surveys Ltd | Aberdeen | 2017 |
| AMG Tech Services Limited | Glasgow | 2026 |
| AMG UK Group Pension Trustee Limited | Rotherham | 2014 |
| AMG United Limited | London | 2013 |
| AMG Wills Limited | Cheadle | 2013 |
| AMG World Solutions Limited | London | 2014 |
| Amg.Media Group Ltd | London | 2019 |
| Amga Limited | Brighton | 2023 |
| Amgal Projects Ltd | London | 2024 |
| Amgbp Limited | London | 2016 |
| Amgc Advisory Ltd | London | 2022 |
| Amge Services Ltd | London | 2025 |
| Amgen Consultants Limited | Abergele | 2008 |
| Amgen Consulting Limited | Burgess Hill | 2019 |
| Amgen Energy Limited | | 1993 |
| Amgen Limited | Cambridge | 1989 |
| Amgen Services Limited | Bangor | 2017 |
| Amgen UK Holdings Limited | Cambridge | 2025 |
| Amgencey Limited | Sutton Coldfield | 2025 |
| Amgent Ltd | Derby | 2020 |
| Amgg Ltd | Hawick | 2018 |
| Amgis Ltd | York | 2020 |
| Amgmt Associates Ltd | Banchory | 2020 |
| Amgoc Ltd | London | 2017 |
| Amgoorie Tea Estates,Limited(The) | Near Sevenoaks | 1902 |
| Amgro Limited | London | 2016 |
| Amgrove Limited | Pontefract | 2018 |
| Amgt Developments Ltd | Durham | 2025 |
| Amgu Ltd | Woodford Green | 2025 |
| Amguid Ltd | Aberdeen | 2020 |
| Amgwells Limited | Harrogate | 2023 |
| AMH (Altrincham) Limited | Altrincham | 2015 |
| AMH (SY) Limited | Sheffield | 2025 |
| AMH Accountancy Services Limited | Doncaster | 2002 |
| AMH Accountants Limited | Sheffield | 2014 |
| AMH Accounting Solutions Limited | Nottingham | 2010 |
| AMH Analysis Limited | Warrington | 2016 |
| AMH Associates Limited | Sheffield | 2012 |
| AMH Audit Limited | Hyde | 2025 |
| AMH Coding Limited | Ilkeston | 2015 |
| AMH Consultancy Ltd | Wakefield | 2026 |
| AMH Consumer Group Ltd. | Stockport | 2019 |
| AMH Consumer Limited | Stockport | 2024 |
| AMH Corporate Consulting Limited | London | 2016 |
| AMH Engineering Ltd | Pencoed, Bridgend | 2005 |
| AMH Group Nottingham Ltd | Nottingham | 2019 |
| AMH Invest Limited | Reading | 2019 |
| AMH Legal Consulting Services Limited | Harrow | 2019 |
| AMH Legal Services Limited | London | 2015 |
| AMH Organisation Limited | Basingstoke | 2015 |
| AMH Renewables Ltd | Swansea | 2023 |
| AMH Safety Limited | Weymouth | 2023 |
| AMH Smith Limited | London | 2023 |
| AMH Solutions U.K. Ltd | Workington | 2022 |
| AMH Strategies (U.K.) Limited | London | 2025 |
| AMH Surveyors Limited | Liverpool | 2022 |
| AMH System Transformation Ltd | London | 2021 |
| AMH Transport Compliance Ltd | Redcar | 2023 |
| AMH Wind Limited | Cardiff | 2013 |
| Amhaven Limited | Hayling Island | 1998 |
| Amhc Europe Limited | Arundel | 2023 |
| Amhca Ltd | Manchester | 2023 |