| Aplusa Media Ltd | London | 2023 |
| Apluse Ltd | West Malling | 2017 |
| Aplusi Limited | Altrincham | 2022 |
| Aplusugc Ltd | Edinburgh | 2022 |
| APM (Global) Limited | London | 2019 |
| APM (Sussex) Ltd | London | 2016 |
| APM Access and Inspection Ltd | Consett | 2018 |
| APM Accountancy Ltd | Chadwell Heath | 2021 |
| APM Accountants Limited | London | 2014 |
| APM Accounts Limited | Banstead | 2009 |
| APM Advisory Ltd | Birmingham | 2025 |
| APM Associates Ltd | Manchester | 2014 |
| APM Automation Solutions Ltd | Swindon | 2021 |
| APM Automotive International (UK) Ltd | Newcastle Upon Tyne | 2020 |
| APM Broadcast TEK Limited | Knutsford | 2009 |
| APM Consultancy Services Ltd | Lancaster | 2010 |
| APM Consultants (CA) Ltd | Croydon | 2009 |
| APM Consulting Ltd | Crowthorne | 2026 |
| APM Ecology Limited | London | 2026 |
| APM Education Consultancy Limited | Reading | 2018 |
| APM Engineering Design Limited | Chelmsford | 2012 |
| APM Engineering Services Limited | Glasgow | 2018 |
| APM Estimating Ltd | Banbridge | 2025 |
| APM Finance Limited | Liverpool | 2021 |
| APM Financial Management Limited | Wolverley | 2007 |
| APM Financial Planning Limited | Barnsley | 2020 |
| APM GEO Limited | Eastleigh | 2013 |
| APM Healthcare Advisory Ltd | Totnes | 2014 |
| APM Healthcare Limited | Croydon | 2009 |
| APM Management Services Ltd | Sevenoaks | 2016 |
| APM Management Solutions Limited | Biddenden | 2018 |
| APM Marketing Ltd | London | 2024 |
| APM Papworth Services Ltd | Cambridge | 2018 |
| APM Partnership Ltd | London | 2021 |
| APM Pipe & Welding Solutions Limited | Caerphilly | 2013 |
| APM Project Management Ltd | Oswestry | 2017 |
| APM Project Management Solutions Ltd | Billingham | 2014 |
| APM Projects Limited | Leigh-On-Sea | 2007 |
| APM Solicitors Ltd | Stanmore | 2022 |
| APM Studios Ltd | Lewes | 2003 |
| APM Tax Accountants Ltd | London | 2020 |
| APM Tech Solutions Limited | Addlestone | 2025 |
| APM Utility Services Limited | Waltham Cross | 2012 |
| APM Walker Energy Services Limited | Worthing | 2013 |
| APM360 Ltd | Leicester | 2020 |
| Apmco Ltd | Wimborne | 2021 |
| Apmh Limited | Preston | 2023 |
| Apmj Ltd | Bristol | 2020 |
| Apmk Ltd | London | 2021 |
| Apms Aviation Limited | Worcester | 2010 |
| Apmss Ltd | Newton Aycliffe | 2024 |
| APN Accounting Limited | Harrow | 2023 |
| APN Business Consultants Limited | West Yorkshire | 2005 |
| APN Construction Consultants Limited | Milton Keynes | 2023 |
| APN Consultants Ltd | High Wycombe | 2024 |
| APN Consulting Limited | Callington | 2026 |
| APN Engineers Limited | Southampton | 2017 |
| APN Financial Planning Ltd | Harpenden | 2020 |
| APN Group Holdco Limited | London | 2023 |
| APN Group Midco Limited | London | 2023 |
| APN Locum Services Limited | Halifax | 2022 |
| APN Project Management Ltd | London | 2022 |
| APN Property Limited | Chorley | 2022 |
| Apna Consulting Limited | Upper Basildon | 2020 |
| Apna Legal Ltd | Nelson | 2012 |
| Apna Media Ltd | West Bromwich | 2025 |
| Apna Photographic Studios Limited | Chorley | 2006 |
| Apna Studio LDN Ltd | London | 2025 |
| Apna Studios Ltd | London | 2017 |
| Apnc Services Ltd | Banwell | 2012 |
| Apndt Limited | Caldicot | 2014 |
| Apnhome Limited | Bromley | 2026 |
| Apnk Limited | London | 2014 |
| Apnl Ltd | London | 2023 |
| Apnp Limited | Southport | 2014 |
| APO & Partners Limited | Surbiton | 2025 |
| APO Consulting Ltd | Erith | 2014 |
| APO Learning Ltd | Runcorn | 2025 |
| Apoaps Ltd | Norwich | 2024 |
| Apocalozzo Limited | Cardiff | 2025 |
| Apod PR and Communications Limited | Harpenden | 2016 |
| Apodd Foundation | Stourbridge | 2012 |
| Apodeme Ltd | Mildenhall | 2025 |
| Apoello Limited | Chorley | 2025 |
| Apogee Aviation Group Ltd | Brierley Hill | 2020 |
| Apogee Bioautomation Ltd | Oxford | 2025 |
| Apogee Capital Management Ltd | Bury St. Edmunds | 2025 |
| Apogee Consultancy Group Ltd | Faringdon | 2026 |
| Apogee Consulting & Associates Limited | London | 2026 |
| Apogee Consulting Services Ltd | London | 2024 |
| Apogee Engineering Analysis Solutions Limited | Norwich | 2008 |
| Apogee Group Recruitment Limited | Waterlooville | 2006 |
| Apogee Labs Ltd | North Ferriby | 2025 |
| Apogee Life Sciences Limited | London | 2023 |
| Apogee Marine Construction Ltd | Newquay | 2024 |
| Apogee Media Ltd | London | 2025 |
| Apogee Missions Advisory Limited | London | 2025 |
| Apogee Performance Limited | Northampton | 2016 |
| Apogee Procurement Limited | Windsor | 2018 |
| Apogee Property and Utility Consultants Limited | Newport | 2018 |