| AM Corporate Services Ltd | London | 2008 |
| AM Cousultants Ltd | Solihull | 2024 |
| AM Coyle Avionics Ltd | Northwich | 2016 |
| AM Cruise Limited | Shrewsbury | 2022 |
| AM Davies Engineering Ltd | Luton | 2017 |
| AM Decorations Limited | Birmingham | 2026 |
| AM Deen Services Ltd | Batley | 2025 |
| AM Design Ltd | Chichester | 2009 |
| AM Designed Solutions Ltd | Bristol | 2013 |
| AM Designs Studio Ltd | Stoke-On-Trent | 2023 |
| AM Detailing Limited | Newport Pagnell | 2024 |
| AM Digitalex Ltd. | London | 2025 |
| AM DRO Consulting and Events Ltd | Aberystwyth | 2022 |
| AM Eclipse Ltd | London | 2025 |
| AM Educational Services Ltd | Preston | 2023 |
| AM Electro Solutions Limited | Middlesbrough | 2025 |
| AM Employment Law Ltd | Elgin | 2019 |
| AM Energy Solutions Ltd | Birmingham | 2023 |
| AM Engineering Consultants Ltd | Chigwell | 2024 |
| AM Engineering Ltd | Billingham | 2009 |
| AM Engineering Services Ltd | Dundee | 2023 |
| AM Environmental Consulting Limited | Nottingham | 2020 |
| AM Event Production Ltd | Glasgow | 2022 |
| AM Event Tech Ltd | London | 2026 |
| AM Family Law Services Ltd | Sherborne | 2021 |
| AM Finance & Human Resource Solutions Limited | Tonbridge | 2003 |
| AM Finance Accounting Limited | Romford | 2023 |
| AM Finance Consulting Limited | Esher | 2024 |
| AM Financial Advisory Ltd | London | 2024 |
| AM Fire Safety & Testing Ltd | Grays | 2022 |
| AM Fire Safety Ltd | Glasgow | 2025 |
| AM Fresh Group UK Limited | London | 2013 |
| AM Geos Limited | Canterbury | 2015 |
| AM Gerrard Ltd | Preston | 2003 |
| AM Global Industries Ltd | Blackburn | 2020 |
| AM Global Specialist Consulting Limited | Brighton | 2020 |
| AM GMP Limited | Belfast | 2023 |
| AM Group of Companies Ltd | London | 2019 |
| AM Group World Limited | London | 2025 |
| AM Guthrie Ltd | Darvel | 2022 |
| AM Hawks Consulting Ltd | Bexhill-On-Sea | 2018 |
| AM Health Advisory Ltd | Nottingham | 2026 |
| AM Healthcare Group Limited | Abingdon | 2023 |
| AM Holdco Limited | London | 2007 |
| AM Horizon Labs Ltd | London | 2025 |
| AM Housing & GRT Consultancy Limited | Durham | 2026 |
| AM Housing Compliance Solutions Ltd | London | 2025 |
| AM Hydraulic Services Limited | Canvey Island | 2020 |
| AM Instrumentation Services Limited | Houghton Le Spring | 2022 |
| AM Interim Limited | Scunthorpe | 2015 |
| AM Interiors by Design Ltd | Cardiff | 2018 |
| AM International Solicitors Limited | London | 2016 |
| AM Interpreting Limited | Rickmansworth | 2012 |
| AM Jackson Commercial Services Ltd | Newport Pagnell | 2019 |
| AM Lavender Consulting Limited | Chelmsford | 2012 |
| AM Law Solicitors Ltd | Nottingham | 2012 |
| AM Legal Consultancy Ltd | London | 2021 |
| AM Legal Consulting Limited | Bristol | 2017 |
| AM Legal Ltd | Halifax | 2015 |
| AM LEX Services Limited | London | 2018 |
| AM London Ltd | London | 2017 |
| AM LOW Carbon Consulting Limited | Brockenhurst | 2023 |
| AM Machine Tools Ltd | Rochester | 2022 |
| AM Management Services Ltd | Swansea | 2024 |
| AM Marine UK Holdings Ltd | Southampton | 2025 |
| AM Marketing Services Ltd | Falkirk | 2025 |
| AM Martec Ltd | Letchworth Garden City | 2025 |
| AM Maxwell Consulting Ltd | London | 2013 |
| AM Mayer Ltd | Cheltenham | 2020 |
| AM Media Management Ltd | Skelmorlie | 2024 |
| AM Media Production Ltd | London | 2023 |
| AM Medics Limited | Basingstoke | 2019 |
| AM MGT Group Ltd | Liverpool | 2024 |
| AM Milne Ltd | Elgin | 2021 |
| AM MLR & Consulting Ltd | Wilmslow | 2024 |
| AM Multi Media Ltd | Egham | 2025 |
| AM Multigraphics Limited | | 1910 |
| AM Music Management Ltd | Sheffield | 2024 |
| AM Nienaber Consultancy Ltd | Coventry | 2025 |
| AM Nominees Limited | Leeds | 1984 |
| AM Nuclear Decommissioning Consultancy Ltd | Folkestone | 2023 |
| AM of Boisdale Limited | Manningtree | 2009 |
| AM OIL & GAS Services Ltd | Arbroath | 2022 |
| AM Online Resourcing Ltd | Lichfield | 2009 |
| AM Operations Ltd | Eynsham | 2025 |
| AM Opex Consultancy Ltd | Hamilton | 2026 |
| AM Opportunities Ltd | Watford | 2018 |
| AM Overseas Legal Services Ltd | Nottinghamshire | 2026 |
| AM Payroll Services Ltd | Chelmsford | 2023 |
| AM People OPS Ltd | Redhill | 2026 |
| AM Performance Ltd | Rotherham | 2023 |
| AM Petcare Ltd | Edgware | 2023 |
| AM Planning Consultants Limited | Burton-On-Trent | 2013 |
| AM Plus Accountancy Ltd | Glasgow | 2003 |
| AM PM Base Limited | Stoke-On-Trent | 2024 |
| AM PMB Ltd | Congleton | 2025 |
| AM Power Engineering Ltd | Market Rasen | 2025 |
| AM Power Turbines Ltd | Glasgow | 2026 |
| AM Pre-Clinical Services Ltd | Macclesfield | 2013 |
| AM Precision Accounting Ltd | Chichester | 2026 |