| Ashton Football Club Limited | Knowle | 2024 |
| Ashton George Ltd | Stevenage | 2022 |
| Ashton Golf Centre Limited | Lancaster | 2019 |
| Ashton Hayes Sports and Recreation Association | Chester | 2009 |
| Ashton Martial Arts Ltd | Wigan | 2025 |
| Ashton Nintai Karate CIC | Ashton-Under-Lyne | 2022 |
| Ashton on Mersey Football Club Ltd | Sale | 2018 |
| Ashton on Mersey Sports Club Limited | Sale | 2013 |
| Ashton Turner Golf Limited | Alford | 2017 |
| Ashton Under Lyne Rugby Football Club Limited | Hyde | 2012 |
| Ashton United Football Club Limited | Ashton Under Lyne | 1990 |
| Ashton Vale Farms Ltd | Bristol | 2019 |
| Ashton-In-Makerfield Golf Club Limited | Ashton-In-Makerfield | 1975 |
| Ashton-On-Mersey Golf Club Limited | Ashton On Mersey | 1961 |
| Ashtour Limited | East Grinstead | 1990 |
| Ashville Academy Limited | Pudsey | 2021 |
| Ashwell Cricket Exchange Limited | St Neots | 2008 |
| Ashwells Sports & Country Club Limited | Chelmsford | 1984 |
| Ashwini Ltd | Watford | 2022 |
| Ashwood Equestrian Ltd | Stafford | 2011 |
| Ashwood Props Ltd | Romford | 2022 |
| Ashwood Records Limited | Norwich | 2014 |
| Ashwood Social Club Limited | Kingswinford | 1998 |
| Ashé School of Dance Limited | Haywards Heath | 2026 |
| ASI 365 Ltd | London | 2024 |
| Asia Heritage Ltd | Okehampton | 1982 |
| Asia Pacific NFT Art Co., Ltd | London | 2021 |
| Asia Powerboat Association Limited | Exmouth | 2022 |
| Asian Art Studio Limited | Edinburgh | 2023 |
| Asian Arts Agency | Bristol | 2000 |
| Asian Entertainments UK Ltd | Coventry | 2011 |
| Asian Girls Run CIC | New Malden | 2024 |
| Asian Hiphop Festival Ltd | Middlesex | 2022 |
| Asian Literary and Cultural Forum UK Community Interest Company | Southall | 2023 |
| Asian Pirate Musical Collective Ltd | London | 2024 |
| Asian Women Run CIC | Hayes | 2025 |
| Asianacreations Limited | Harrow | 2020 |
| Asiantaeth Riff Agency CYF | Dolgellau | 2025 |
| Asiasteps Ltd | London | 2022 |
| Asif Khan Limited | Sherborne | 2008 |
| Asimpson Coaching Ltd | Wirral | 2024 |
| ASJ Fitness Club Limited | Lincoln | 2026 |
| ASJ Group Ltd | London | 2025 |
| ASK Ariah Ltd | London | 2017 |
| ASK for the Moon Limited | Huddersfield | 2006 |
| Aska Swimming Limited | Mold | 2009 |
| Askat Health and Fitness Ltd | London | 2023 |
| Askedfor Art Limited | Stockport | 2017 |
| Askham Magic Productions Limited | Fareham | 2017 |
| Askonas Holt Limited | London | 1997 |
| ASL Store Ltd | Ipswich | 2016 |
| ASL Training Club Limited | London | 2026 |
| ASL Zorb Mania Ltd | Oxford | 2024 |
| Aslan 1965 Limited | Bedford | 2023 |
| Aslan Beans Corp Ltd | London | 2026 |
| Aslan Fitness 1 Limited | Hornchurch | 2024 |
| Aslan Fitness Limited | Hornchurch | 2023 |
| Asli Baharan Punjab Diyan | Middlesex | 2000 |
| Aslockton Tennis Club Limited | Nottingham | 2022 |
| Aslx Ltd | Arlesey | 2022 |
| ASM Sales Limited | Manchester | 2008 |
| Asmarina One Limited | Dartford | 2017 |
| Asmd Sport Limited | Dudley | 2025 |
| ASO Production Ltd | Bath | 2023 |
| Asoma Ltd | London | 2024 |
| Asone Theatre Company Ltd | Weymouth | 2017 |
| Asora Group Ltd | London | 2025 |
| Asota Media Ltd | East Grinstead | 2025 |
| ASP Events Limited | Manchester | 2019 |
| ASP Rally Limited | Dunfermline | 2008 |
| ASP Words Limited | London | 2003 |
| Asp.Sports Ltd | Aylesbury | 2024 |
| Asparagus Mousse Ltd | London | 2026 |
| Aspasia Limited | London | 2015 |
| Aspect Polo Limited | Five Oaks | 2016 |
| Aspects of Fitness Limited | Tadley | 2003 |
| Aspell Group Ltd | Bicester | 2022 |
| Aspen Retreats Limited | Tain | 2022 |
| Aspers (Milton Keynes) Limited | London | 2002 |
| Aspinall Academy of Dance Limited | Wilmslow | 2006 |
| Aspinall Brazilian Jiu-Jitsu Limited | St Helens | 2024 |
| Aspinall's Club Limited | London | 1990 |
| Aspiration Creation Elevation C.I.C. | Bristol | 2013 |
| Aspirational Equipment Ltd | Norwich | 2019 |
| Aspirations Dance Ltd | Wrexham | 2021 |
| Aspirations Performing Arts Ltd | Stanford-Le-Hope | 2023 |
| Aspirax Ltd | Middlesex | 2026 |
| Aspire 4 Fitness Limited | Nottingham | 2018 |
| Aspire Adventure Limited | Cardiff | 2013 |
| Aspire Body Transformation Colchester Ltd | Bicester | 2025 |
| Aspire Body Transformations Ltd | Bicester | 2025 |
| Aspire Coaching Limited | Bordon | 2012 |
| Aspire Dance Bolton Limited | Lancaster | 2024 |
| Aspire Developments (NE) Ltd | Peterhead | 2023 |
| Aspire Fitness (Scotland) Limited | Glasgow | 2023 |
| Aspire Fitness (Wales) Limited | Cardiff | 2004 |
| Aspire Fitness 2.0 Ltd | Holsworthy | 2023 |
| Aspire Fitness and Wellbeing Ltd | Wellington | 2020 |
| Aspire Fitness Classes Ltd | Darlington | 2013 |
| Aspire Fitness Essex Limited | Old Hatfield | 2016 |