| AA (Scotland) Holdings Ltd | Isle Of Arran | 2024 |
| AA 21 Ltd | London | 2021 |
| AA Accident Assist Limited | Derby | 2022 |
| AA Advisors Europe Limited | Chelmsford | 2011 |
| AA Appliance Holdings Ltd | Cheltenham | 2025 |
| AA Asset Group Ltd | Norwich | 2025 |
| AA Assets Holding Ltd | Coventry | 2025 |
| AA Custodian Holdings Limited | London | 2024 |
| AA Elite Enterprise Limited | London | 2025 |
| AA Finance Limited | London | 2023 |
| AA Finance Management Ltd | Stockton-On-Tees | 2024 |
| AA Financial Advisory Limited | Glasgow | 2024 |
| AA Financial Consultants Limited | Iver | 2026 |
| AA Financial Services Limited | Basingstoke | 1967 |
| AA Holdings 1957 Limited | St. Ives | 2022 |
| AA Holdings Bridgend Ltd | Maesteg | 2024 |
| AA Holdings Leicester Limited | Leicester | 2020 |
| AA Home Investments Ltd | Rotherham | 2025 |
| AA Homes and Housing (Hargraves Road) Ltd | London | 2019 |
| AA Homes and Housing (Jamaica Hotel) Ltd | London | 2019 |
| AA Hughes Limited | Romsey | 2017 |
| AA Infinity Ltd | Manchester | 2026 |
| AA Invest Limited | London | 2025 |
| AA Limited | Basingstoke | 2004 |
| AA London Holdings Limited | London | 2021 |
| AA Management Holdings Ltd | Birmingham | 2021 |
| AA Mechanical Insurance Services Limited | Sheffield | 2006 |
| AA Mitchell Enterprises Ltd | Banbridge | 2019 |
| AA Moore Limited | Aughnacloy | 2026 |
| AA Mortgage Gateway Ltd | London | 2014 |
| AA Mortgage Services Ltd | Solihull | 2020 |
| AA Mortgages and Finance Limited | Newton Aycliffe | 2016 |
| AA Pension Funding GP Limited | Edinburgh | 2013 |
| AA Pike Group Ltd | Somerton | 2022 |
| AA Pike Holdings Ltd | Somerton | 2023 |
| AA Plus Holding Ltd | Hyde | 2025 |
| AA Premier Holdings Limited | Leigh | 2026 |
| AA Properties Holdings Limited | Blackburn | 2016 |
| AA Property and Investments Limited | Bolton | 2008 |
| AA Sanusi Limited | London | 2017 |
| AA Technical Solutions Limited | Basingstoke | 2014 |
| AA Trading & Investments Ltd | Colchester | 2021 |
| AA Twins Ltd | London | 2025 |
| AA Urbannest Realty Ltd | Ealing London | 2026 |
| AA Woods EOT Trustees Limited | Harlow | 2024 |
| AA Woods Holdings Limited | Harlow | 1993 |
| AA09 Ltd | Milton Keynes | 2023 |
| AA13 Limited | Woodford Green | 2019 |
| AA2 Providence Ltd | Aylesbury | 2024 |
| AA7 Holdings Limited | Nottingham | 2026 |
| AA7 Hospitality Ltd | Hamilton | 2025 |
| AA7 Sauce Ltd | Hamilton | 2026 |
| AA75 Ltd | London | 2025 |
| AAA Accountancy Ltd | Margate | 2015 |
| AAA Assets & Partners Ltd | Slough | 2025 |
| AAA Capital Investment Limited | Ilford | 2013 |
| AAA Finance Limited | Colnbrook | 2015 |
| AAA Financial Services (UK) Limited | London | 2013 |
| AAA Group Limited | Aberdeen, | 2007 |
| AAA Holdings (IOW) Limited | Ventnor | 2015 |
| AAA Holdings (Luton) Ltd | Luton | 2022 |
| AAA Housing Limited | Birmingham | 2021 |
| AAA Insurance & Reinsurance Brokers Limited | London | 2002 |
| AAA Invest Group Limited | London | 2023 |
| AAA Investment Holdings Ltd | Old Harlow | 2019 |
| AAA Mortgage Services Ltd | Waltham Cross | 2025 |
| AAA Mortgages Ltd | Harrogate | 2005 |
| AAA Partnership Ltd | Blackburn | 2024 |
| AAA Property Holding Group Ltd | Leeds | 2026 |
| AAA Retail London Ltd | Pinner | 2026 |
| AAA Strategic Holdings Limited | Marske By The Sea | 2025 |
| AAA Trustee Limited | London | 2014 |
| AAA Underwriting Limited | Grantham | 2009 |
| AAA Ventures Ltd | Bradford | 2014 |
| AAA X Holdings Limited | Basingstoke | 2026 |
| Aaac Holdings Limited | Milton Keynes | 2025 |
| Aaag Investments Ltd | Walton-On-Thames | 2023 |
| Aaag UK Holdco Limited | Birmingham | 2025 |
| Aaah Investment Ltd | Northwood | 2025 |
| Aaah Ltd | Stoke On Trent | 2026 |
| Aaamanagement Ltd | Fishguard | 2003 |
| Aaap Properties Discretionary Limited | London | 2025 |
| Aaas Holdings Limited | Poynton | 2023 |
| AAB Financial Services Ltd | Basildon | 2015 |
| AAB Holdings (Cornwall) Ltd | Penryn | 2026 |
| AAB London Ltd | London | 2020 |
| AAB Properties Ltd | Manchester | 2025 |
| AAB Risk Consultants Limited | Esher | 2020 |
| AAB Technologies Ltd | Leicester | 2024 |
| AAB Virtual Finance Limited | Aberdeen | 2016 |
| AAB Wealth Limited | Aberdeen | 2010 |
| Aaban Partnership Holdings Limited | Accrington | 2021 |
| Aaban Property Limited | Accrington | 2021 |
| Aabc Bidco Limited | Stevenage | 2023 |
| Aabc Topco Limited | Stevenage | 2021 |
| Aabf Limited | Swansea | 2017 |
| Aabhsbss Limited | London | 2023 |
| Aabyss Holdings Ltd | Liverpool | 2024 |
| AAC (SP) Limited | Enfield | 2017 |
| AAC (ST) Limited | Enfield | 2017 |