| Anniesland Trading Limited | Glasgow | 2013 |
| Annieson Accountants Ltd | Ilford | 2015 |
| Annie’S BOY TV Ltd | London | 2020 |
| Annihilated Wasps Limited | Westerham | 1994 |
| Annii Legal Services Limited | London | 2013 |
| Annik Associates Limited | Worcester | 2000 |
| Annika Alford Ltd | Rainham | 2022 |
| Annika Carroll Ltd | Pewsey | 2013 |
| Annika Consultancy Limited | North Finchley | 2022 |
| Annika DE Friend Advisory Ltd | London | 2026 |
| Annika K Consultancy Ltd | Chesham | 2024 |
| Annika Systems Ltd | London | 2021 |
| Annilytics Consultancy Ltd | Shefford | 2021 |
| Annina Ridens Ltd | London | 2018 |
| Annis & O'Brien Ltd | Milton Keynes | 2015 |
| Annis Consulting Ltd | London | 2025 |
| Annjer Consultancy Services Ltd | | 2004 |
| Annjon Management Limited | Leamington Spa | 2019 |
| Annly Capital Ltd | Ashford | 2011 |
| Annmarie Mcclintock Consultancy Ltd | Mansfield | 2019 |
| Anno 1880 (Licence) Limited | Prestonpans | 2021 |
| Anno 1939 (Licence) Limited | Macmerry | 2021 |
| Anno Prado Ltd | Birmingham | 2022 |
| Annodata Business Services Limited | Glasgow | 2011 |
| Annodata Communication Systems Limited | Hemel Hempstead | 2000 |
| Annodco Services Limited | Croydon | 2017 |
| Annodeel Limited | Cheltenham | 2021 |
| Annog CYF | Llangefni | 1999 |
| Annorlundadm Ltd | Colchester | 2025 |
| Annos Limited | Epping | 2022 |
| Annotate Marketing Ltd | London | 2024 |
| Annovim Enterprises Private Limited | Nottingham | 2009 |
| Annrose Limited | Ringwood | 2004 |
| Annrosi Limited | Mitcham | 2026 |
| Annsar Ltd | Stafford | 2012 |
| Annsco Care Solutions Ltd | Alfreton | 2018 |
| Annsfield Limited | Belfast | 2006 |
| Annso Limited | Tonbridge | 2017 |
| Annsy Ltd | London | 2022 |
| Anntar Ltd | Broxburn | 2021 |
| Anntara Management Limited | Watlington | 2007 |
| Anntom Services Ltd | London | 2014 |
| Annual Consulting Limited | Chelmsford | 2023 |
| Annual Return Filing Services Limited | Burton-On-Trent | 2005 |
| Annuity Advisers Limited | Chesterfield | 2002 |
| Annuity Direct Limited | Tadworth | 2007 |
| Annuity Solutions Ltd. | Wembley | 2014 |
| Annular Group Ltd | Warrington | 2023 |
| Annunciation Control & Instrumentation Systems Limited | London | 1967 |
| Annunciation Limited | Crowborough | 2015 |
| Annvkeeling Consulting Limited | Haywards Heath | 2022 |
| Annwn Marketing Limited | Aberystwyth | 2026 |
| Anny Photos Limited | Romford | 2025 |
| Annz Equity Limited | Peterborough | 2015 |
| ANO Accountants Ltd | London | 2021 |
| ANO Simtech Ltd | Coventry | 2025 |
| Anoa Consultancy Ltd | New Malden | 2025 |
| Anoa Consulting Limited | Rochester | 2018 |
| Anoaa Limited | Sale | 2015 |
| Anoc Associates Ltd | Reading | 2018 |
| Anocote Polska Limited | Wolverhampton | 2014 |
| Anode Marketing Limited | Rugby | 2014 |
| Anode Project Solutions Ltd | Bristol | 2023 |
| Anode+- Ltd | Banbury | 2020 |
| Anodos Associates Limited | Camberley | 1998 |
| Anodos Discovery Limited | Camberley | 2000 |
| Anodos Limited | Caerphilly | 2014 |
| Anodyne Corp Ltd | London | 2020 |
| Anof Consulting Ltd | Crowthorne | 2021 |
| Anogaa Ltd | Epsom | 2020 |
| Anogeo Limited | Barnet | 2022 |
| Anogrouptech Ltd | London | 2026 |
| Anoha Services Ltd | Staines-Upon-Thames | 2011 |
| Anointed Hands Hair and Beauty Ltd | Stanmore | 2013 |
| Anoj Accountancy Ltd | Uxbridge | 2019 |
| Anoja Business Development Ltd | Abingdon | 2014 |
| Anokha Productions Limited | Wembley | 2003 |
| Anola Consulting Ltd | Bridgend | 2023 |
| Anolex Ltd | Fareham | 2009 |
| Anom Consulting Limited | Bridgwater | 2023 |
| Anomalocaris Ltd | Lancaster | 2022 |
| Anomalous Trading (UK) Ltd | Edgware | 2025 |
| Anomaly 7 Limited | Frinton-On-Sea | 2017 |
| Anomaly Engineering Limited | Weymouth | 1994 |
| Anomaq Ltd | Dagenham | 2016 |
| Anomark Ltd | New Malden | 2022 |
| Anomer BIO Ltd | Oakham | 2024 |
| Anomi Ltd | Bolton | 2020 |
| Anon Clothing & Consulting Limited | Cheltenham | 2007 |
| Anon Studio Ltd | London | 2024 |
| Anona Media and Consulting Limited | Stockport | 2025 |
| Anonat Ltd | Rugby | 2016 |
| Anoniem Limited | London | 2020 |
| Anons Consultants Ltd | Rochdale | 2026 |
| Anonym Ltd | Poole | 2026 |
| Anonymous Associates Limited | London | 1999 |
| Anonymous Consultancy Ltd | Cardiff | 2019 |
| Anonymous Projects Limited | London | 2022 |
| Anonymous Research & Consultancy Ltd | St. Leonards-On-Sea | 2024 |
| Anonymous Retouch Ltd | Barnstaple | 2007 |