| AGP Sustainable Real Assets Limited | Letchworth Garden City | 2018 |
| Agpa Services Limited | Bolton | 2002 |
| Agpc Limited | | 2007 |
| AGPH159 Consulting Ltd | Newport Pagnell | 2026 |
| Agpmo | London | 2021 |
| AGR (Cumbria) Ltd | Carlisle | 2018 |
| AGR Access Limited | Hartlepool | 2026 |
| AGR Accountancy Services Limited | Mablethorpe | 2025 |
| AGR Building & Fencing Holdings Limited | Bolton | 2016 |
| AGR Commercial Ltd | Barnet | 2015 |
| AGR Consultancy (Aberdeen) Limited | Aberdeen | 2020 |
| AGR Consultants (Smc-Private) Limited | Ipswich | 2025 |
| AGR Decom Ltd | Westhill | 2026 |
| AGR Edge Solutions Ltd | Bramhall | 2022 |
| AGR Engineering Ltd | Droitwich | 2025 |
| AGR Green Team Ltd | Hove | 2022 |
| AGR Inspection Services Ltd | London | 2024 |
| AGR Law Ltd | Leicester | 2016 |
| AGR Precision Engineering Limited | Enniskillen | 2023 |
| AGR Space Ltd | Hitchin | 2022 |
| AGR Studio Limited | London | 2024 |
| AGR Technical Ltd | Glasgow | 2025 |
| Agra Ceas Consulting Limited | London | 1985 |
| Agra Executive Search Ltd | London | 2021 |
| Agra Freeze Holdings Limited | Edenbridge | 1999 |
| Agradient Limited | Great Shelford | 2018 |
| Agrain Limited | London | 2020 |
| Agramondis UK Ltd | Stony Stratford | 2020 |
| Agranergy UK Limited | Basingstoke | 2025 |
| Agrap Business Ltd | London | 2022 |
| Agrarian Limited | Berkeley | 2000 |
| Agrb Marketing Ltd | Nottingham | 2021 |
| Agrc Ltd | London | 2015 |
| Agrd Ltd | Swaffham | 2020 |
| Agrea Consultancy Services Ltd | London | 2024 |
| Agreed Direction Limited | Worcester | 2011 |
| Agreements Limited | London | 2021 |
| Agreementsdesk Limited | London | 2011 |
| Agreenuk Limited | | 2005 |
| Agregulatory Ltd | London | 2014 |
| Agren Limited | Thornhill | 2014 |
| Agren Power and Energy Limited | Chorley | 2015 |
| Agrestial Engineering Ltd | London | 2025 |
| Agrethos Ltd | Cambridge | 2020 |
| Agrex Holdings Limited | Lincoln | 2013 |
| Agri Plant Hire Limited | Essex | 2005 |
| Agri Accounting Ltd | Welshpool | 2019 |
| Agri Admin Company Limited | Havant | 2016 |
| Agri Advisor Holdings Limited | Llanwrda | 2015 |
| Agri Advisor Ltd | Llanwrda | 2013 |
| Agri Align Limited | Malpas | 2025 |
| Agri Analytics & Consultancy Limited | Cadishead | 2024 |
| Agri Assured Ltd | Leominster | 2023 |
| Agri Automotive Limited | Northampton | 2025 |
| Agri Consultancy Limited | Nottingham | 2019 |
| Agri Design Ltd | Ballymoney | 2018 |
| Agri Excellence Limited | Lostwithiel | 2023 |
| Agri Fibre Ltd | Ilkley | 2024 |
| Agri Frontier Ltd | Cirencester | 2010 |
| Agri Market Insight & Access Ltd | Exeter | 2012 |
| Agri Natural Capital Ltd | South Molton | 2024 |
| Agri Ventura PLC | Crawley | 2008 |
| Agri-Analytics (UK) Ltd | Grimsby | 2025 |
| Agri-Assess Limited | Oakham | 2015 |
| Agri-Biofuels Licence Company Ltd | London | 2025 |
| Agri-Consulting Limited | Driffield | 2022 |
| Agri-Eco Solutions Ltd | Shrewsbury | 2024 |
| Agri-Equestrian Limited | Haverhill | 1997 |
| Agri-Food and Bioenergy Consulting Ltd. | London | 2014 |
| Agri-Food Technology Academy Ltd | Spalding | 2026 |
| Agri-Hub Ltd | Exeter | 2025 |
| Agri-Ideas Limited | Buxton | 2014 |
| Agri-Mediate Limited | Hayle | 2014 |
| Agri-Nrg Limited | Woking | 2023 |
| Agri-Sense Limited | Driffield | 2014 |
| Agri-Tech Ltd | Kidderminster | 2019 |
| Agria Control Limited | Newport | 2021 |
| Agriaccel Limited | Altrincham | 2025 |
| Agriad Ltd | Banbridge | 2024 |
| Agribeetle Ltd | London | 2025 |
| Agribiolink Ltd | Widnes | 2015 |
| Agribiologics Limited | London | 2014 |
| Agribusiness Communications Limited | Shrewsbury | 1995 |
| Agribusiness Solutions Hub Ltd | London | 2023 |
| Agrica UK Ltd | London | 2023 |
| Agricarbon UK Limited | Dundee | 2018 |
| Agricat Ireland Ltd | Eglish | 2024 |
| Agrichar Solutions Ltd | Church Stretton | 2024 |
| Agricola Advisory Limited | Faversham | 2012 |
| Agricola LA Torre Holding UK Limited | Derby | 2021 |
| Agricola Leadership and Management Consultancy Ltd | Greenhithe | 2026 |
| Agricola Royalties Limited | | 1996 |
| Agricom Holdings Limited | Petworth | 2025 |
| Agricom Investments Limited | Petworth | 2025 |
| Agricon Engineering Limited | Horsham | 2012 |
| Agricounts Ltd | Ross-On-Wye | 2014 |
| Agricropconsult Limited | London | 2025 |
| Agricultural & Engineering Services Limited | York | 2009 |
| Agricultural and Farming Jobs Limited | Bromsgrove | 2013 |
| Agricultural and Ironmongery Supplies Limited | Aberdeenshire | 2003 |