| Agathos Limited | Melton Mowbray | 2003 |
| Agathos One (FP) (GP) Limited | Edinburgh | 2014 |
| Agau Limited | Gwynedd | 2007 |
| Agave Advice Ltd | Stanmore | 2026 |
| Agave Creative Limited | Evesham | 2017 |
| Agavis Limited | Banbury | 2025 |
| Agawa Ltd | Dalkeith | 2019 |
| AGB & Associates Legal Consultancy Ltd | Wembley | 2025 |
| AGB Accounting & Tax Consultants Limited | Edinburgh | 2008 |
| AGB Aircraft Maintenance Professionals Ltd | London | 2017 |
| AGB CAD Services Ltd | Prescot | 2016 |
| AGB Consultancy Ltd | West Horndon | 2025 |
| AGB Consulting Engineers Limited | Sunbury-On-Thames | 2022 |
| AGB Content Marketing Ltd | Leicester | 2023 |
| AGB Design Ltd | Stevenage | 2024 |
| AGB Legal Limited | Bexley | 2021 |
| AGB Marketing Ltd | Aberdeen | 2024 |
| AGB Professional Services Ltd | Glasgow | 2020 |
| AGB Publicity Ltd | London | 2020 |
| AGB Sales & Marketing Limited | Dunstable | 2005 |
| AGB Services Ltd | Reigate | 2024 |
| AGB Two Ltd | London | 2017 |
| Agb-Healthcare Limited | Stockport | 2018 |
| AGB1 Ltd | Dundee | 2026 |
| Agbabi Limited | High Street | 2018 |
| Agbasocinematics Ltd | Loughborough | 2025 |
| Agbc Limited | Croydon | 2010 |
| Agbedola Holdings Ltd | Peterborough | 2020 |
| Agbesanwa Asset Management Limited | Hemel Hempstead | 2022 |
| Agbisit Acquisitions Ltd | Halifax | 2025 |
| Agbm Technologies Ltd | Leicester | 2019 |
| Agboola Limited | Rugby | 2019 |
| Agbw - QS Limited | Beckenham | 2021 |
| AGC Accounting Solutions Ltd | Wickford | 2025 |
| AGC Acquisitions 1 Limited | London | 2012 |
| AGC Associates Limited | Cwmbran | 2007 |
| AGC Capital Limited | London | 2011 |
| AGC Category Consulting Ltd | Nottingham | 2020 |
| AGC Consultancy Ltd | Leeds | 2011 |
| AGC Consultants Ltd | Preston | 2024 |
| AGC Design & Management Limited | Ilkley | 2011 |
| AGC Design Limited | Purley | 2009 |
| AGC Designing Ltd | Brentwood | 2020 |
| AGC Fire & Safety Ltd | London | 2025 |
| AGC Green Ltd | Welwyn Garden City | 2025 |
| AGC International Ltd | Canterbury | 2024 |
| AGC Investments Limited | Preston | 2007 |
| AGC Legal Ltd | London | 2019 |
| AGC Legal Services Limited | Kirkcaldy | 2019 |
| AGC Projects (North West) Limited | Hyde | 2015 |
| AGC Wind Ltd | Hull | 2026 |
| Agcc Consulting Ltd | Nottingham | 2025 |
| Agco Funding Company | Kenilworth | 2004 |
| Agco Holdings Limited | Kenilworth | 2025 |
| Agco International Limited | Kenilworth | 1989 |
| Agco Logistics Ltd | Grimsby | 2022 |
| Agco Manufacturing Limited | Kenilworth | 1956 |
| Agco Services Limited | Kenilworth | 1952 |
| Agconsulting Europe Limited | London | 2002 |
| Agcr Ltd | Liverpool | 2023 |
| AGD Access Ltd | London | 2019 |
| AGD Architectural Limited | Chester | 2012 |
| AGD Consultancy Ltd | Cheam | 2021 |
| AGD Consultancy Services Limited | Mitcham | 2015 |
| AGD Consulting Limited | Worthing | 2013 |
| AGD Financial Planning Ltd | Coventry | 2023 |
| AGD Geoconsulting Limited | Harrow | 2025 |
| AGD Holdings Limited | Stratford Upon Avon | 1970 |
| AGD Interior Design and Consultancy Ltd | London | 2018 |
| AGD Power Consultants Limited | Manchester | 2018 |
| AGD Rail Traction Engineering Services Ltd | Barnsley | 2017 |
| AGD Regeneration Ltd | Chester | 2007 |
| AGD Technical Limited | Sandbach | 2009 |
| Agdd Limited | Farnham | 2020 |
| Agdesign-Build Ltd | Borehamwood | 2020 |
| Agdm Limited | London | 2024 |
| Agdon House Limited | London | 2020 |
| Agdp Media Limited | Prescot | 2022 |
| AGE Care and Leisure Services Limited | London | 1992 |
| AGE Cctv Systems Limited | Peterborough | 2003 |
| AGE Charles Limited | London | 2024 |
| AGE Check Certification Scheme Ltd | Stockport | 2018 |
| AGE Concern Enterprises Cymru Limited | London | 2006 |
| AGE Concern Enterprises Limited | London | 2008 |
| AGE Concern Financial Partnerships Limited | London | 1999 |
| AGE Concern Funeral Services Limited | London | 1993 |
| AGE Concern Holdings Limited | London | 1973 |
| AGE Concern Insurance Services Limited | London | 1986 |
| AGE Concern Partnership Wales Limited | Cardiff | 2010 |
| AGE Concern Trust Corporation | London | 1990 |
| AGE Cymru | Cardiff | 2009 |
| AGE Diversity Network Ltd | Bexhill-On-Sea | 2019 |
| AGE Graphics Limited | London | 2005 |
| AGE of Light Innovations Ltd | Bridport | 2020 |
| AGE Partners Ltd | London | 2018 |
| AGE Sentinel Ltd | Chichester | 2009 |
| AGE UK Scarborough & District Trading Limited | North Yorkshire | 2000 |
| AGE Universal Limited | Coventry | 2017 |
| AGE Well Medical Technologies Ltd | Nottingham | 2021 |
| Ageable CIC | Birmingham | 2021 |