| A Little Enhancement Training Academy Ltd | Exeter | 2020 |
| A Little More Kindness CIC | Norwich | 2023 |
| A Little OFF the Top Limited | Hampshire | 1999 |
| A Little Physio Ltd | Glasgow | 2025 |
| A Little Present Gift Ltd | London | 2019 |
| A Little Sassy Ltd | Poole | 2018 |
| A Little Space Limited | Newquay | 2023 |
| A Living Tradition CIC | Newcastle Upon Tyne | 2011 |
| A M Acquisitions Limited | Sidcup | 2014 |
| A M Aesthetics London Ltd | London | 2023 |
| A M Automotive Limited | Dunstable | 2016 |
| A M Beauty & Aesthetics Ltd | Glasgow | 2025 |
| A M Esau Limited | Llandysul | 2005 |
| A M F Polymers (Cwmbran) Limited | Stratford-Upon-Avon | 1996 |
| A M Funeral Services Ltd | Glasgow | 2015 |
| A M G Costa Ltd | London | 2011 |
| A M Hair (London) Limited | Bournemouth | 2005 |
| A M Hair Salon Limited | Morecambe | 2012 |
| A M I Productions Ltd | Peterborough | 2023 |
| A M Jones Limited | Leeds | 2003 |
| A M Kennels Limited | Crewe | 2010 |
| A M Mcintosh Ltd | Leeds | 2012 |
| A M Osullivan Ltd | Edinburgh | 2013 |
| A M Ryan Limited | Norfolk | 2002 |
| A M Shiny Ltd | Bradford | 2016 |
| A M Skin and Sculpt Limited | Birmingham | 2026 |
| A M Stamford Street Ltd | Ashton-Under-Lyne | 2017 |
| A M White Ltd. | Hampton | 2000 |
| A Macdonald Consultants Ltd | Glasgow | 2018 |
| A Mackie Physiotherapy Limited | Hoddesdon | 2013 |
| A Maid 4 U Ltd | Ipswich | 2005 |
| A Malcolm Hair Limited | Banbridge | 2025 |
| A Mandal Limited | Nottingham | 2012 |
| A Mann Ltd | Preston | 2008 |
| A Matter of Ice and Breath Limited | London | 2024 |
| A Matter of Security (Patrols) Ltd | Witham | 2016 |
| A Mcaloon Mentoring Ltd | Dunfermline | 2023 |
| A Mckinna Services Limited | Nr Bakewell | 2020 |
| A Mcnay Contracting Ltd | Dumfries | 2023 |
| A Media Promotion Limited | London | 2016 |
| A Million Realities Foundation | London | 2021 |
| A Moment to Remember Ltd | London | 2024 |
| A Moment's Peace Beautique Ltd | London | 2025 |
| A Morgan Associates Limited | Braintree | 2003 |
| A Mother Space CIC | London | 2026 |
| A Munton Technical Services Limited | Barnsley | 2016 |
| A N ALL Services Ltd | London | 2025 |
| A N Contractors Ltd | London | 2010 |
| A N H (Bridgend) Ltd | Bridgend | 2018 |
| A N S Valeting Ltd | London | 2025 |
| A N Tailoring Limited | London | 2018 |
| A N Wills Ltd | Caerphilly | 2014 |
| A Natural Need Limited | Hertford | 2023 |
| A Natural Undertaking Limited | Birmingham | 2014 |
| A NET Barber Ltd | Birmingham | 2025 |
| A New Beginning Physical Well-Being Solutions Limited | Stockport | 2024 |
| A New EWE Ltd | Lybster | 2025 |
| A New Leash for Life Rescue Ltd | London | 2026 |
| A New Look Barber Shop Ltd | London | 2025 |
| A New Page Limited | London | 2025 |
| A New View Music Ltd | Bournemouth | 2021 |
| A New YOU Aesthetics Limited | Liverpool | 2020 |
| A NJ Enterprize Limited | Feltham | 2025 |
| A Noble Gift Limited | West Wickham | 2023 |
| A NOD IS AS Good AS a Wink Limited | Hornchurch | 2017 |
| A Nubian Beauty Limited | Slough | 2010 |
| A O J Services Limited | Brighouse | 2026 |
| A on the Road Limited | London | 2019 |
| A One Barber NE Ltd | Middlesbrough | 2024 |
| A One Hair Salon Limited | London | 2025 |
| A Othman Limited | Lutterworth | 2012 |
| A P Aerospace Ltd | Manchester | 2015 |
| A P Barber Training Ltd | Walsall | 2024 |
| A P Building Design Consultancy Limited | Chesterfield, Derbyshire | 2020 |
| A P Cleaning Services Limited | Fleet | 2003 |
| A P Hair & Beauty Limited | Cannock | 2017 |
| A P Henry Installations Limited | | 2002 |
| A P Installations Limited | Haywards Heath | 2006 |
| A P Male Grooming Limited | Loughborough | 2017 |
| A P Mobile Car Valeting Ltd | Neath | 2016 |
| A P Printing Limited | Finchley | 2013 |
| A P Rail Consultancy Limited | Cardiff | 2014 |
| A P Safe Transport Limited | Lincoln | 2009 |
| A P Team Limited | Buckinghamshire | 2003 |
| A P Thompson Services Ltd | Nr Faringdon | 2005 |
| A P Whitehouse Construction Limited | Bilston, West Midlands | 2017 |
| A Palette NOT From Here Limited | Croydon | 2021 |
| A Pandit Limited | Harrow | 2023 |
| A Partnership Called Fish Limited | Plymouth | 2003 |
| A Parvez Beauty Ltd | Hounslow | 2015 |
| A Parvez Limited | Stanmore | 2010 |
| A Passion for Purpose Ltd | London | 2020 |
| A Passion FUR Pets Ltd | London | 2023 |
| A Pattison Limited | Wickford | 2023 |
| A Peaky Blinder Limited | Southampton | 2021 |
| A Perfect Plan Limited | London | 2025 |
| A Perfect Studio Ltd | Bury | 2023 |
| A Phillips Enforcement Ltd | Merthyr Tydfil | 2025 |
| A Place Called US Ltd | Leeds | 2025 |
| A Place to Chill Limited | Kingston Upon Thames | 2022 |