| Anleggsgartner-Jonas Limited | London | 2024 |
| Anlegov Ltd | Doncaster | 2026 |
| Anlo Associates Limited | Hereford | 1980 |
| Anma-Holding Ltd | Manchester | 2025 |
| Anman Trade Ltd | London | 2023 |
| Anmek Group Ltd. | Beckenham | 2022 |
| ANN Gylman Limited | London | 2024 |
| ANN Holistic Care Ltd | Banbury | 2016 |
| ANN Marie Crockett Limited | Manchester | 2024 |
| ANN Marie Thomas Limited | Manchester | 2024 |
| ANN Siobhan Ferry Ltd | Kington | 2022 |
| Ann-Marie Rebecca Balcombe Ltd. | Ruislip | 2021 |
| ANN1E Limited | Harrogate | 2020 |
| Anna Alexander Payroll Services Ltd | Woodford Green | 2025 |
| Anna Bond Limited | Manchester | 2024 |
| Anna Gkika Jewelery Limited | Cardiff | 2025 |
| Anna Mair Lloyd Ltd | Machynlleth | 2023 |
| Anna Mair Lloyd-Adey Ltd | Machynlleth | 2023 |
| Anna Medica Limited | London | 2013 |
| Anna Medicinals Limited | London | 2024 |
| Anna Salach Ltd | Mansfield | 2024 |
| Anna Sinclair Ltd | Bury St. Edmunds | 2024 |
| Anna Teresa Dicicco Limited | Hemel Hempstead | 2023 |
| Anna Vine Jewellery Ltd | Leicester | 2021 |
| Anna Waldorf Ltd | London | 2025 |
| Anna Zofia Ltd | High Wycombe | 2022 |
| Anna Zofia Sagajllo Ltd | High Wycombe | 2022 |
| Annabel DU Boulay Ltd | Street | 2018 |
| Annabelle X GAO Ltd | London | 2022 |
| Annabray Limited | Surrey | 1990 |
| Annadale Village Management Limited | Belfast | 2000 |
| Annagh Meadows Management Limited | Belfast | 2005 |
| Annagole Property Management Ltd | Ballyclare | 2002 |
| Annahugh Hill Management Company Limited | Ballyclare | 2007 |
| Annandale Herald Limited | Annan | 2009 |
| Annapurna Nutrition and Wellbeing Ltd | Market Harborough | 2020 |
| Annas Jewellery Picks Limited | London | 2020 |
| Annat Point Ltd | Fort William | 2014 |
| Annat Trade and Investment Ltd. | London | 2012 |
| Annathan Company Limited | Worcester | 1990 |
| ANNAWILHELMINE25031502 Ltd | Manchester | 2023 |
| Annd NOW 2 Limited | Wirral | 2022 |
| Anndora Multi Concept Limited | Glasgow | 2023 |
| Anne Arieta Ltd | Stafford, | 2024 |
| Anne Broni Management Limited | London | 2015 |
| Anne Cecilie Mellem Limited | London | 2008 |
| Anne Germain Ltd | West Sussex | 2006 |
| Anne Invest Co., Limited | Pontypridd | 2009 |
| Anne Westwood Consulting Ltd | Dudley | 2017 |
| Annecy Packaging Co., Ltd. | London | 2019 |
| Annescourt Developments Limited | Bangor | 1982 |
| Annette Fagon Ltd | Birmingham | 2022 |
| Annetts Furniture World Limited | Merseyside | 2004 |
| Annex Valves Limited | Coventry | 2014 |
| Annexo Limited | Liverpool | 2018 |
| Annibyniaeth Ltd | Southam | 2018 |
| Annie Hazell Interiors Limited | Little Witcombe | 2011 |
| Annissi Ltd | Stockbridge | 2008 |
| Annmarie Consulting Limited | Reading | 2010 |
| Anno Smithy Ltd | Kenilworth | 2016 |
| Annox Limited | Olney | 2024 |
| Annsgate Limited | Belfast | 1998 |
| Annsons Limited | Biggleswade | 2007 |
| Annual Results Limited | London | 2005 |
| Annuity Choices Limited | Kington | 2005 |
| Annuity Express Ltd | Milton Keynes | 2014 |
| Annuity Line Limited | Peterborough | 2012 |
| Annuo International Trade Co., Ltd | Beckenham | 2019 |
| Annwood Estates Ltd | Rayleigh | 2008 |
| Annzon Ltd | London | 2025 |
| ANO Estates Ltd | Lowestoft | 2024 |
| Anolyte UK Ltd | Hants, Ringwood | 2020 |
| Anomalous Freight Network Ltd | Sheffield | 2024 |
| Anoojish PLC | South Croydon | 1995 |
| Anosia Biotechnologies Limited | Dereham | 2019 |
| Anotech Ltd | Challenge Way, Blackburn | 2020 |
| Another a Ltd | Leatherhead | 2023 |
| Another Design Agency Limited | Thurlby | 2008 |
| Another London Limited | London | 2019 |
| Another Shade Greener Ltd | Barnsley | 2010 |
| Another Sunny Afternoon Ltd | Halifax | 2023 |
| Another World Trading Group Limited | Huntingdon | 2020 |
| Anothervision Ltd | London | 2021 |
| Anoushka G London Limited | Loughton | 2003 |
| Anox Plus Limited | Wantage | 2024 |
| ANP Contracts Limited | Bury | 2020 |
| ANP Partners Ltd | Glasgow | 2012 |
| ANP Properties (Southampton) Limited | Southampton | 2017 |
| ANP Shipping Co., Ltd | Ruislip | 2022 |
| Anpario UK Limited | Worksop | 2011 |
| Anpei General Trade Company Ltd | London | 2024 |
| Anping County Comesh Filter Co., Ltd | London | 2018 |
| Anping County PFM Screen Co., Ltd | London | 2019 |
| Anping Hongyu Wire Mesh Co., Ltd. | London | 2012 |
| Anping Maorong Wire Mesh Manufacturing Co., Ltd | Manchester | 2015 |
| Anpr Projects Ltd | Winterbourne | 2009 |
| ANR Probake Limited | Blackwood | 2013 |
| Anritt Limited | Wirral | 2015 |
| Anron Enterprise Limited | Kenilworth | 2018 |
| Anrui (Holdings) Europe Limited | Buckingham | 2019 |