| AM Precision Engineering Ltd | Strathaven | 2012 |
| AM Professional Services Ltd | Stafford | 2025 |
| AM Project Consulting Ltd | London | 2014 |
| AM Project Manager Ltd | Dallington | 2022 |
| AM Project Services Ltd | Sandwich | 2026 |
| AM Project Solutions Ltd | Thurso | 2025 |
| AM Projects (North East) Limited | Middlesbrough | 2018 |
| AM Pyro Ltd | Rochdale | 2013 |
| AM QS Services Ltd | Lampeter | 2020 |
| AM Quality Services Limited | Barnard Castle | 2010 |
| AM Real Consultancy Ltd | Crawley | 2014 |
| AM Recycling (Holdings) Limited | Deeside | 2020 |
| AM Refrigeration Midlands Ltd | Birmingham | 2021 |
| AM Regtech Ltd | Colchester | 2019 |
| AM Relations Ltd | Mitcham | 2025 |
| AM Resolutions Ltd | Cardiff | 2012 |
| AM Restructuring Limited | London | 2009 |
| AM Rhino Pharma Limited | Dagenham | 2024 |
| AM Royston Ltd | Manchester | 2016 |
| AM Safety Support Ltd | North Shields | 2020 |
| AM Scientific Consulting Ltd | Newark | 2019 |
| AM Services Group Ltd | Hyde | 2026 |
| AM Servicing Ltd | London | 2025 |
| AM Signalling Consulting Limited | Kilmarnock | 2021 |
| AM Solicitors Ltd | London | 2020 |
| AM Space Consulting Limited | London | 2025 |
| AM Specialists Group Limited | Braintree | 2005 |
| AM Squared Consulting Ltd | Southampton | 2023 |
| AM Squared Ltd | Bury St. Edmunds | 2019 |
| AM Stella Ltd | London | 2020 |
| AM Strategic Advisors Limited | London | 2019 |
| AM Strategic Consultancy Limited | Wallington | 2021 |
| AM Structural Consultancy Ltd | Hereford | 2016 |
| AM Studioworks Limited | Leamington Spa | 2017 |
| AM Style Ltd | London | 2019 |
| AM Surface Technologies Limited | Didcot | 2013 |
| AM Surveying Holdings Limited | St Leonards On Sea | 2003 |
| AM Surveyors Limited | Manchester | 2021 |
| AM Surveys Limited | Newark | 2006 |
| AM Syndicate Ltd | London | 2025 |
| AM Tax Consultancy Ltd | Johnstone | 2014 |
| AM Taxation Limited | Whitchurch | 2010 |
| AM Techdrift Ltd | London | 2025 |
| AM Technical Consulting Ltd | Tunbridge Wells | 2026 |
| AM Technology Solutions Limited | Stockport | 2010 |
| AM to PM Brands Limited | London | 2024 |
| AM Toniolli Consulting Ltd | London | 2016 |
| AM Trade Ventures Ltd | London | 2026 |
| AM Trading & Invest Ltd | London | 2018 |
| AM Train Associates Limited | Aberdeen | 2021 |
| AM Transforma Consulting Limited | Tring | 2025 |
| AM Translation Limited | Edgware | 2015 |
| AM Transport (Holdings) Limited | Blackpool | 2020 |
| AM Transport Consultancy Ltd | Northolt | 2026 |
| AM UK Consultants Ltd. | Lingfield | 1998 |
| AM UK Consulting Ltd | Barnet | 2015 |
| AM UK Law Ltd | Romford | 2011 |
| AM Ventures Ltd | Teddington | 2020 |
| AM Wind Services Limited | Sanquhar | 2025 |
| AM Works Ltd | London | 2018 |
| Am&Bs Limited | York | 2013 |
| Am&Fm UK Limited | Slough | 2023 |
| Am-Ar Consulting Limited | London | 2025 |
| Am-Cx Ltd | Hinckley | 2025 |
| Am-Pm Accounting Solutions Limited | Havant | 2010 |
| Am-Solutions (Engineering) Limited | Marlborough | 2018 |
| AM1 Global Trade Ltd | Loughborough | 2025 |
| AM11TGX Ltd | Aylesbury | 2012 |
| AM1985 Limited | Bury | 2014 |
| AM2 Architects Ltd | Newark | 2012 |
| AM2 Consulting Limited | Workington | 2003 |
| AM2 Group Ltd | London | 2022 |
| AM2 Planning Ltd | Reading | 2023 |
| AM2I Limited | London, | 2022 |
| AM3 Consultancy Ltd | Coventry | 2025 |
| AM3 Ltd | Bedford | 2025 |
| AM3D Limited | Hornchurch | 2016 |
| AM53 Ltd | Colchester | 2025 |
| AM79 Ltd | Hull | 2021 |
| AM91 Consulting Limited | Glasgow | 2024 |
| AM98 Ltd | Uckfield | 2022 |
| Am:Pm Communications Ltd | Enniskillen | 2008 |
| Am:Pm Design Limited | London | 2003 |
| Am:Pm Law Limited | London | 2024 |
| Am:Pm Law Services Limited | London | 2025 |
| AMA a Digital Ltd | London | 2023 |
| AMA Accountancy Ltd | Southampton | 2021 |
| AMA Accountants Limited | London | 2013 |
| AMA Accounting Limited | Watford | 2012 |
| AMA Advisory & Consultancy Ltd | London | 2020 |
| AMA Advisory Limited | London | 2023 |
| AMA Alexi Marmot Associates Limited | | 1999 |
| AMA Architects Limited | London | 2002 |
| AMA Associates Ltd | Leeds | 2021 |
| AMA Aviation Consulting Limited | Altrincham | 2020 |
| AMA Build Ltd | London | 2020 |
| AMA Build Services Limited | Dartford | 2023 |
| AMA Business Services Limited | Hartlepool | 2009 |
| AMA Capital Nominees Ltd | London | 2025 |
| AMA Collective Ltd | Southampton | 2025 |