| Annafield Estate Agents & Property Management Limited | Administrative & support | 2019 |
| Annajevoli Clothing Ltd | Wholesale & retail | 2021 |
| Annam Beauty Ltd | Other services | 2025 |
| Annan Studios Ltd | Information & communication | 2025 |
| Annapurna Consulting LLP | | 2024 |
| Annapurna PVT Limited | Hospitality | 2026 |
| Annatiques Limited | Manufacturing | 2012 |
| ANNAWILHELMINE25031502 Ltd | Extraterritorial | 2023 |
| Annax Limited | Wholesale & retail | 2012 |
| Anncreativity Limited | Wholesale & retail | 2025 |
| Anne Smith Ltd | Wholesale & retail | 2025 |
| Annecto Legal Limited | Administrative & support | 2013 |
| Anneka Burrett Digital Ltd | Professional & scientific | 2024 |
| Annesley Property Ltd | Construction | 2015 |
| Annex Design & Construction Ltd | Construction | 2018 |
| Annex Electrical Ltd | Other services | 2009 |
| Annie James Trading Limited | Wholesale & retail | 2014 |
| Annie Mals Limited | Information & communication | 2021 |
| Annie Walker Wellbeing Ltd | Health & social care | 2018 |
| Annie's Secret Hair Extension Limited | Other services | 2024 |
| Annita Services Ltd | Health & social care | 2022 |
| Annjo Ltd | Health & social care | 2022 |
| Annmary Stores UK Ltd | Wholesale & retail | 2022 |
| Annore Eyewear Limited | Wholesale & retail | 2026 |
| Annovato Investments Limited | Real estate | 2018 |
| Annovato Properties Ltd | Construction | 2016 |
| Annss Healthcare Limited | Health & social care | 2013 |
| Annss Limited | Financial services | 2018 |
| Annu Exports Ltd | Wholesale & retail | 2025 |
| Annz Colors Trading Ltd | Construction | 2025 |
| Annzee Holdings Ltd | Wholesale & retail | 2025 |
| Anodisers Runcorn Limited | Manufacturing | 2002 |
| Anointing Health Care Limited | Health & social care | 2023 |
| Anoka London Limited | Manufacturing | 2025 |
| Anokunda Limited | Health & social care | 2020 |
| Anomalous UN Limited | Manufacturing | 2021 |
| Anomalyse Ltd | Information & communication | 2024 |
| Anonymind Ltd | Information & communication | 2020 |
| Anonymous Anteaters Studio Ltd | Information & communication | 2025 |
| Anor Lounge Ltd | Hospitality | 2026 |
| Anora Limited | Wholesale & retail | 2024 |
| Another Brand Consultancy Ltd | Professional & scientific | 2019 |
| Another Clean Drain Limited | Construction | 2001 |
| Another Clean Sweep (NW) Ltd | Administrative & support | 2011 |
| Another Hand LLP | | 2022 |
| Another Kind of World Productions Limited | Arts & recreation | 2022 |
| Another Knitted Thing Ltd | Manufacturing | 2023 |
| Another Level Joinery Limited | Manufacturing | 2023 |
| Another Look Ltd | Wholesale & retail | 2014 |
| Another ML Ltd | Other services | 2022 |
| Another Path Ltd | Professional & scientific | 2026 |
| Another Sunday Limited | Wholesale & retail | 2022 |
| Anotherclip Ltd | Information & communication | 2023 |
| Anotherstory LAB Limited | Information & communication | 2025 |
| Anotoe Limited | Wholesale & retail | 2025 |
| Anoush Limited | Hospitality | 2016 |
| ANOUSHKA8 Ltd | Health & social care | 2021 |
| ANP Certification Limited | Professional & scientific | 2020 |
| ANP Chef Ltd | Other services | 2023 |
| ANP Clinical Care (North West) Ltd | Health & social care | 2022 |
| ANP Direct Services Ltd | Health & social care | 2019 |
| Anping Maorong Wire Mesh Manufacturing Co., Ltd | Extraterritorial | 2015 |
| Anpr Car Parks Limited | Real estate | 2024 |
| Anpr EYE Limited | Information & communication | 2012 |
| Anpr Parking Limited | Information & communication | 2024 |
| Anpr Plus IP Ltd | Information & communication | 2023 |
| Anpr Tech Limited | Information & communication | 2023 |
| Anpride Limited | Health & social care | 1983 |
| Anqa Care & Support Ltd | Health & social care | 2025 |
| ANR Direct Properties Limited | Real estate | 2020 |
| ANR Healthcare Services Ltd | Administrative & support | 2023 |
| ANR Trades Ltd | Wholesale & retail | 2025 |
| ANS Academy Limited | Education | 1999 |
| ANS Bidco Limited | Financial services | 2020 |
| ANS Electrical & Company Supplies Ltd | Wholesale & retail | 2018 |
| ANS Groceries Limited | Wholesale & retail | 2025 |
| ANS Group Holdings Limited | Financial services | 2020 |
| ANS Group Limited | Information & communication | 1996 |
| ANS Leaders Limited | Professional & scientific | 2018 |
| ANS Mart Ltd | Wholesale & retail | 2025 |
| ANS Midco 1 Limited | Professional & scientific | 2018 |
| ANS Midco 2 Limited | Financial services | 2018 |
| ANS Midco 3 Limited | Financial services | 2018 |
| ANS Pikco 1 Limited | Professional & scientific | 2021 |
| ANS Pikco 2 Limited | Professional & scientific | 2021 |
| Ansa Globale Vantures Ltd | Wholesale & retail | 2025 |
| Ansa Property Maintenance (North West) Ltd | Construction | 2011 |
| Ansa.Com Limited | Information & communication | 1999 |
| Ansah the Locum Limited | Health & social care | 2015 |
| Ansanyi Property Solutions Ltd | Real estate | 2025 |
| Ansar & Associates Ltd | Wholesale & retail | 2023 |
| Ansar Finance Group Limited | Other services | 1995 |
| Ansar Finance Investments Limited | Financial services | 2004 |
| Ansar Finance Ltd | Financial services | 2004 |
| Ansar Housing Limited | Real estate | 2000 |
| Ansari Tarders Ltd | Wholesale & retail | 2025 |
| Ansari Trading Group Ltd | Wholesale & retail | 2024 |
| Ansel Kingdom Properties Ltd | Real estate | 2026 |
| Anser Digital Markerting Ltd | Manufacturing | 2025 |
| Anshen Trade Ltd | Wholesale & retail | 2025 |