| AG Translation & Interpreting Ltd | London | 2014 |
| AG Translation Services Ltd | Manchester | 2017 |
| AG UK Consultancy Limited | Hull | 2024 |
| AG Victus Limited | London | 2023 |
| AG Vision Ltd | Sevenoaks | 2020 |
| AG Williams Ltd | Bromley | 2026 |
| AG Wills & Estate Planning Ltd | Taunton | 2024 |
| Ag&B Ltd | London | 2025 |
| Ag&T Limited | Swindon | 2015 |
| Ag-Bio Limited | Manchester | 2015 |
| AG1 Consulting Ltd | Bury St. Edmunds | 2025 |
| AG10 BIO Ltd | Birmingham | 2026 |
| AG21 Ltd | Edinburgh | 2025 |
| AG3 Consulting Limited | Dunfermline | 2025 |
| AG3 Engineering Ltd | London | 2023 |
| AG3 Marketing Ltd | London | 2025 |
| AG3NT WEB3 Ltd | London | 2022 |
| AG42 Limited | Royston | 2014 |
| AG4TECH Limited | Chester | 2020 |
| AG4U Ltd | Maidenhead | 2022 |
| AG81 Limited | Glasgow | 2017 |
| AG96 Capital Ltd | Gerrards Cross | 2025 |
| AGA Accountancy Limited | Harrow | 2014 |
| AGA Accountants Limited | Ilford | 2005 |
| AGA Accountants London Ltd | Ilford | 2020 |
| AGA Architectural Studio Ltd | Derby | 2022 |
| AGA Engineering Services Ltd | Sunderland | 2022 |
| AGA Group Enviro-Fix Limited | Thetford | 2018 |
| AGA Locum Ltd | Bradford | 2024 |
| AGA Mortlock Photography Ltd | Altrincham | 2019 |
| AGA Nanotech Ltd | Uxbridge | 2014 |
| AGA Podgajna Architects Limited | London | 2018 |
| AGA Projects Limited | Pinner | 2008 |
| AGA Rangemaster Group Limited | Nottingham | 1939 |
| AGA Tech Limited | Maidstone | 2009 |
| AGA Tetera Photography Limited | Leicester | 2023 |
| AGA2 Tech Limited | Derby | 2021 |
| Agace & Co Ltd | London | 2020 |
| Agado Partners Ltd | London | 2024 |
| AGAF3D Ltd | Saffron Walden | 2023 |
| Agafay Engineering Limited | London | 2025 |
| Agaflex Ace Group Ltd | Milton Keynes | 2024 |
| Agag Innovations (AI) Ltd | Camberley | 2024 |
| Agah Services Limited | London | 2024 |
| Agah.Psychology Ltd | London | 2025 |
| Again Again Ltd | London | 2024 |
| Again and Again Ltd | London | 2017 |
| Again Faster Equipment UK Limited | Nottingham | 2011 |
| Against ALL Currents Ltd | London | 2025 |
| Against ALL Odds Still Standing | Dartford | 2013 |
| Against Ordinary Limited | Ipswich | 2023 |
| Agala Ltd | London | 2026 |
| Agaligo Limited | Hayling Island | 2017 |
| Agalimmune Ltd. | London | 2013 |
| Agamarama Ltd | Norwich | 2019 |
| Agamemnon Engineering Ltd | Bournemouth | 2010 |
| Agami Research & Technologies Limited | London | 2026 |
| Aganalyst Limited | London | 2021 |
| Agano Ltd | London | 2023 |
| Agapanthus Media Ltd | Finchely | 2024 |
| Agape Care Network Ltd | Rowley Regis | 2023 |
| Agape Consultants Ltd | Manchester | 2025 |
| Agape Duck Intelligence Limited | Bournemouth | 2025 |
| Agape Engineering Limited | Milton Keynes | 2018 |
| Agape Healthcare Consultancy Limited | Grantham | 2026 |
| Agape Innovation Limited | Penrith | 2010 |
| Agape Management Consultancy Limited | Surbiton | 2011 |
| Agape Space Ltd | London | 2024 |
| Agape Worldwide Ltd | Coventry | 2021 |
| Agape-Pragma Counselling Ltd | Cardiff | 2025 |
| Agaphil Ltd | London | 2022 |
| Agaps & Partners UK Tax Agent Ltd | Birmingham | 2024 |
| Agar Bowles Ltd | Rochester | 2021 |
| Agar Holdings Limited | Banstead | 2020 |
| Agar International Limited | Rotherham, | 2015 |
| Agar Management Consultancy Limited | Torquay | 2015 |
| Agar Scientific Limited | Rotherham, | 2015 |
| Agaram Actuarial Limited | Stockport | 2020 |
| Agardian Services Ltd | Woking | 2019 |
| Agaricus Robotics Ltd | Lincoln | 2021 |
| Agarmedical Ltd | Gerrards Cross | 2020 |
| Agarwal Consulting Ltd | London | 2025 |
| Agasaro Media Network C.I.C. | London | 2020 |
| Agasco Household Devices Africa Limited | Cheltenham | 2022 |
| Agasee Law Associates Limited | Chelmsford | 2023 |
| Agata Communications Limited | Cambridge | 2020 |
| Agata Henderson Garden Design Ltd. | London | 2026 |
| Agata Ryszewska Ltd | Colwyn Bay | 2025 |
| Agate Advisory Ltd | London | 2012 |
| Agate Consultants Limited | Otley | 2018 |
| Agate Immigration Services Ltd | Leicester | 2021 |
| Agate Management Services Limited | Dartford | 2014 |
| Agate Marketing Limited | Borehamwood | 2012 |
| Agate Stone Limited | Glasgow | 2022 |
| Agates Price Limited | London | 2019 |
| Agatha Operations Limited | Bury St. Edmunds | 2025 |
| Agathoclis Beckmann Limited | Stockport | 2011 |
| Agathon Advisory Ltd | Lewes | 2023 |
| Agathon International Ltd | London | 2012 |
| Agathon Limited | London | 2023 |