| AGL Compliance UK Ltd. | Oldham | 2016 |
| AGL Consultants Ltd | London | 2023 |
| AGL Corporate Services Ltd | London | 2009 |
| AGL Corrosion Ltd | Bexhill-On-Sea | 2002 |
| AGL Electrical Engineering Ltd | Clydebank | 2025 |
| AGL Engineering Solutions Ltd | Grimsby | 2019 |
| AGL Financial Group Ltd | London | 2008 |
| AGL Insight Limited | Studley | 2026 |
| AGL Living Ltd | London | 2019 |
| AGL Partners Ltd | Strabane | 2014 |
| AGL Services Ltd | Retford | 2025 |
| AGL SOL Limited | London | 2017 |
| AGL Telecoms Limited | Doncaster | 2012 |
| AGL UK Investments Limited | London | 2020 |
| AGL1 Holdings Ltd | Glasgow | 2021 |
| Aglaonema Limited | London | 2019 |
| Aglaris Limited | London | 2014 |
| Aglc Consulting Ltd | Harrow | 2019 |
| Aglenge Mech Design Ltd | Camberley | 2017 |
| Aglife Ltd | Clynderwen | 2022 |
| Aglio Limited | Belper | 2023 |
| Aglionby ADR Limited | London | 2021 |
| Aglo Consultants Ltd | London | 2018 |
| Aglow Health (UK) Limited | Bury | 2001 |
| Aglow Studio Ltd | Goole | 2025 |
| Aglowagency Ltd | Edinburgh | 2024 |
| Aglp Nominee 1 Limited | London | 2024 |
| Aglp Nominee 2 Limited | London | 2024 |
| AGM Financial Limited | Newcastle | 2012 |
| AGM - a Growth Mindset Ltd | Bishop'S Stortford | 2024 |
| AGM 1 Ltd | Clitheroe | 2022 |
| AGM Accountancy Ltd | Luton | 2019 |
| AGM Accountancy Services Limited | Macduff | 2011 |
| AGM Accounting Services Ltd | Southport | 2018 |
| AGM Advisory Limited | Hove | 2024 |
| AGM Advisory Services Ltd | Bury Saint Edmunds | 2024 |
| AGM Business Solutions Ltd | Harrow | 2011 |
| AGM Civil Engineering Limited | Camberley | 2016 |
| AGM Consultancy Limited | Cheshire | 2005 |
| AGM Consultancy Services Limited | Liverpool | 2020 |
| AGM Consulting Ltd | London | 2019 |
| AGM Electrical (Holdings) Limited | Grimsby | 2024 |
| AGM Engineers Ltd | London | 2025 |
| AGM Financial Services Limited | Stirling | 2017 |
| AGM Mcmillan Engineering Ltd | Mildenhall | 2018 |
| AGM Media Ltd | Cambridge | 2024 |
| AGM Medicolegal Ltd | Aberdeen | 2026 |
| AGM OIL & GAS Resources Ltd | Glasgow | 2015 |
| AGM Program Management Ltd | Derby | 2026 |
| AGM Project Management Ltd | Sheffield | 2022 |
| AGM Safety Ltd | Doncaster | 2012 |
| AGM Services (Grampian) Limited | Inverness | 2021 |
| AGM Services Group Limited | Haslingden | 2004 |
| AGM Services Holdings Ltd | Haslingden | 2020 |
| AGM Solutions Ltd | Coleraine | 2026 |
| AGM Sports Advisory Ltd | Milton Keynes | 2025 |
| AGM Surveying Ltd | Colchester | 2025 |
| AGM Technologies Limited | Weston-Super-Mare | 2020 |
| AGM Tooling Ltd | Sutton-In-Ashfield | 2026 |
| Agm&Co Ltd | London | 2024 |
| Agma Holdings Limited | Haltwhistle | 2013 |
| Agman Group Limited | London | 2000 |
| Agman Investments Limited | London | 2000 |
| Agmaw Consulting Ltd | Amersham | 2025 |
| Agmc Consulting Ltd | London | 2018 |
| Agme Solutions Limited | Cardiff | 2016 |
| Agmire Limited | Stoke-On-Trent | 2023 |
| Agml Technical Limited | Preston | 2021 |
| Agml Trading Limited | London | 2025 |
| Agmm Ltd | Manchester | 2025 |
| Agmrinvestments Ltd | London | 2024 |
| Agms Independent Energy Ltd | Bedford | 2009 |
| Agmtalent Ltd | London | 2019 |
| AGN Consultancy Services Limited | Birmingham | 2025 |
| AGN Corporate Law Limited | Wendover | 2011 |
| AGN Europe Ltd | London | 1993 |
| AGN Inspection Services Ltd | Redcar | 2025 |
| AGN International Services Limited | London | 2020 |
| AGN Solutions Limited | Bournemouth | 2022 |
| Agna Connect Limited | London | 2014 |
| Agnd Sports Management Limited | Ipswich | 2021 |
| Agnelli Consulting Ltd | Ashford | 2023 |
| Agnello Communications Ltd | London | 2024 |
| Agnentis Partners Limited | London | 2014 |
| Agnes Alice Ltd | London | 2026 |
| Agnes Black Limited | Warrington | 2024 |
| Agnes Communications Ltd. | London | 2014 |
| Agnes G Ltd | Birmingham | 2024 |
| Agnes Lloyd-Platt Photographic Limited | London | 2020 |
| Agnes Marketing Ltd | Liverpool | 2021 |
| Agnes-Be Ltd | Ilford | 2022 |
| Agnew Andress Higgins Solicitors Limited | Belfast | 2012 |
| Agnew Architecture Ltd | London | 2020 |
| Agnew Associates Ltd | Warrington | 2023 |
| Agnew Consultants Limited | Ipswich | 2023 |
| Agnew Consulting Limited | Bracknell | 2018 |
| Agnew Equine Ltd | Stoke-On-Trent | 2012 |
| Agnew Group Holdings Ltd | Belfast | 2026 |
| Agnew Holdings Limited | Ballymena | 2018 |
| Agnew Mitchell & Cairns Limited | Ballyclare | 2011 |