| A J Iles Holdings Limited | Swindon | 2014 |
| A J Life (Holdings) Ltd | Stanford Le Hope | 2024 |
| A J Life Ltd | Stanford Le Hope | 2024 |
| A J Maritime Holding Limited | London | 2008 |
| A J Maritime Limited | London | 2008 |
| A J Meehan Limited | Harrogate | 2020 |
| A J Moveables Limited | London | 2021 |
| A J R Services Limited | Ingatestone | 2008 |
| A J S Finance Limited | Swanley | 2012 |
| A J Seaman Limited | King'S Lynn | 2021 |
| A J Sharpe Limited | Ashby-De-La-Zouch | 2015 |
| A J Singh Development Ltd | Hounslow | 2024 |
| A J Singh Retail Ltd | Hayes | 2025 |
| A J Southcoates Holdings Ltd | Hull | 2024 |
| A J Stott Holdings Limited | Shepton Mallet | 2022 |
| A J Sykes Investments Ltd | Blackburn | 2024 |
| A J Wakely Ltd | Trowbridge | 2016 |
| A J Wilson Enterprises Ltd | West Wickham | 2025 |
| A J Worldwide Ltd | Brentford | 2023 |
| A Johnson Investments Ltd | Spalding | 2022 |
| A Johnston Holdings Ltd | Fintona | 2021 |
| A Jones Consulting Limited | Wimborne | 2024 |
| A Jordan Holdings Ltd | Wimborne | 2024 |
| A K E Special Risks Limited | Worcester | 2003 |
| A K International Holdings Ltd | London | 2020 |
| A K Investco Ltd | West Horndon | 2019 |
| A K Stewart Ltd | Strathpeffer | 2018 |
| A Kerry Services Limited | Colchester | 2019 |
| A Knights Management Consulting Limited | Camberley | 2015 |
| A Knowles Ventures Ltd | Bolton | 2021 |
| A Kumar Holding Limited | Manchester | 2021 |
| A Kynde Company Ltd | London | 2026 |
| A L a Gardener and Sons Ltd | Ludlow | 2026 |
| A L G Finance Limited | Hyde | 2000 |
| A L Hydrojetting Group Limited | Gateshead | 2025 |
| A L M Holdings Limited | Manchester | 2016 |
| A L M S Group Limited | Loughton | 1998 |
| A L Markey Investment Co Ltd | Gloucester | 2020 |
| A L P Povey Limited | Ely | 2024 |
| A L Risk Solutions Limited | Southend-On-Sea | 2008 |
| A L White Ltd | London | 2017 |
| A LA Carte Financial Planning Limited | Bolton | 2009 |
| A Lane Consultants Limited | Swanley | 2009 |
| A Lawton Holdings Ltd | Halifax | 2023 |
| A Linton Investments Limited | Tunbridge Wells | 2026 |
| A Listers Lettings Limited | Wolverhampton | 2017 |
| A Little Advice Limited | Billericay | 2019 |
| A Locomotive Pool Structure 3 Limited | London | 2020 |
| A Lovibond Family Limited | Brighton | 2024 |
| A Lowrie Holdings Ltd | Liverpool | 2022 |
| A M Andrew (Holdings) Limited | Northwich | 1991 |
| A M Bamber Limited | Derby | 2015 |
| A M Bowman Limited | Nottingham | 2009 |
| A M Contractors Ltd | Doncaster | 2019 |
| A M Direct Holdings Ltd | Gloucester | 2025 |
| A M Forsyth Holdings Ltd | Edinburgh | 2006 |
| A M Holdings International Limited | North Harrow | 2022 |
| A M Irlam Holdings Limited | Macclesfield | 1976 |
| A M J Mortgage & Protection Advisor Ltd | Milford Haven | 2018 |
| A M L Assures Ltd | Deal | 2016 |
| A M L Land Investments Limited | Fareham | 2018 |
| A M L Macro Limited | Tunbridge Wells | 2011 |
| A M Mortgages (UK) Limited | King'S Lynn | 2004 |
| A M O (Holdings) Limited | Bloxwich | 2016 |
| A M Properties (Bonnyrigg) Limited | Edinburgh | 2000 |
| A M R Lester Limited | Blandford Forum | 2016 |
| A M Ruthven & Associates Limited | Taunton | 2003 |
| A M S Insurance Solutions Ltd | London | 2007 |
| A M UK Holdings Limited | London | 2020 |
| A Macleod Group Ltd | Inverurie | 2025 |
| A Macleod Limited | Linwood | 2020 |
| A Mahmood Investments Ltd | Ilford | 2017 |
| A Mamma Holdings Limited | London | 2025 |
| A Mann Holdco Ltd | Preston | 2026 |
| A Mark-Ed Improvement Limited | Milton Keynes | 2021 |
| A Mcgill Holdings Limited | Dudley | 2025 |
| A Mckinney Ltd | Mold | 2024 |
| A Merchant Limited | Basildon | 2010 |
| A Metcalfe Consulting Limited | Keighley | 2024 |
| A Miller Financial Ltd | Truro | 2015 |
| A Millward Limited | Cardiff | 2016 |
| A Missiato Holdings Limited | Bristol | 2024 |
| A Mose Investments Limited | Brighton | 2017 |
| A Move Brokers Ltd | Chester | 2016 |
| A Murphy Properties Limited | Hamilton | 2022 |
| A Myers Holding Ltd | Huddersfield | 2024 |
| A N Express Limited | | 2003 |
| A N Iqbal Ltd | Bradford | 2015 |
| A N P Holdings Limited | Tewkesbury | 2021 |
| A New View Ltd | London | 2026 |
| A Niche Mortgages Ltd | Barnet | 2013 |
| A Nicholls Holdings Limited | Ibstock | 2024 |
| A Nichols Holding Limited | Ashford | 2025 |
| A Nicholson Finance Ltd | Mitcham | 2015 |
| A Nigam Holdings Ltd | Fleetwood | 2021 |
| A Norrie Group Ltd | Corby | 2024 |
| A O VET Services Limited | Storrington | 2017 |
| A O'Connell & Co Financial Services Limited | Southport | 2016 |
| A O'Neill Holdings Limited | Coleraine | 2018 |
| A O'Rourke Limited | Prescot | 2011 |