| Ananya Super Store Ltd | Wholesale & retail | 2023 |
| Anarchitecture Ltd | Professional & scientific | 2008 |
| Anarchy 54 Ltd | Wholesale & retail | 2023 |
| Anasa Ltd | Other services | 2023 |
| Anasa Retreats Limited | Other services | 2024 |
| Anaterria Ltd | Wholesale & retail | 2025 |
| Anatolian Capital Ltd | Real estate | 2025 |
| Anaya Property Ltd | Real estate | 2021 |
| ANC Direct Limited | Wholesale & retail | 2024 |
| ANC Management Ltd | Transport & logistics | 2024 |
| ANC Wealth Ltd | Financial services | 2025 |
| Anca Veregut Ltd | Health & social care | 2013 |
| Ancaster Cleaning Ltd | Administrative & support | 2026 |
| Ancaster Stone Company Limited | Construction | 2002 |
| Ancat Limited | Manufacturing | 1993 |
| Ancefin Limited | Professional & scientific | 1929 |
| Ancefin Property Management Limited | Real estate | 2020 |
| Anchac Interim Limited | Professional & scientific | 2024 |
| Anchor B Ltd | Professional & scientific | 2025 |
| Anchor Supplies Limited | Wholesale & retail | 1981 |
| Anchor Support Staffing Limited | Health & social care | 2026 |
| Anchorage Holdings Limited | Financial services | 2017 |
| Anclo Group Ltd | Manufacturing | 2021 |
| AND Partnership Limited | Professional & scientific | 2003 |
| AND Pepper Limited | Professional & scientific | 2024 |
| AND Technologies Ltd | Professional & scientific | 2023 |
| Andapak Corrugated Sales Limited | Manufacturing | 2011 |
| Andapak Supply Co.Limited | Manufacturing | 1970 |
| Andara HR Solutions Ltd | Professional & scientific | 2025 |
| Anderson Cooper Limited | Administrative & support | 2016 |
| Anderson Green Holdings Ltd | Financial services | 2015 |
| Anderson Green Ltd. | Professional & scientific | 2001 |
| Anderson Green Sustainable Solutions Ltd | Professional & scientific | 2022 |
| Anderson Lettings & Developments Ltd | Real estate | 2018 |
| Anderson Project Funding Limited | Professional & scientific | 2018 |
| Anderson’S of Nottingham Properties Ltd | Real estate | 2018 |
| Anderton Associates (Ecology & Arboriculture) Ltd | Professional & scientific | 2021 |
| Anderton Driver and Training Resources Ltd | Administrative & support | 2000 |
| Anderton Property Investment Ltd | Real estate | 2023 |
| Anderton Vehicle Movements Ltd | Transport & logistics | 2023 |
| Andi Toplis Ltd | Education | 2024 |
| Andikar Ltd | Transport & logistics | 2025 |
| Andina Trade Ltd | Wholesale & retail | 2016 |
| Ando Recycling Ltd | Manufacturing | 2023 |
| Andover V.E. Limited | Other services | 1998 |
| Andpro Ltd | Hospitality | 2015 |
| Andrade & Leonor Ltd | Hospitality | 2026 |
| Andre Baldet Limited | Wholesale & retail | 1990 |
| Andrea Brearley Limited | Health & social care | 2013 |
| Andreas Investments Limited | Real estate | 2017 |
| Andree Speed Ltd | Transport & logistics | 2024 |
| Andrei & Sons Transport Ltd | Administrative & support | 2024 |
| Andrei Expres Ltd | Transport & logistics | 2025 |
| Andreou Ltd | Construction | 2026 |
| Andres Transport Limited | Transport & logistics | 2016 |
| Andrew Bolton Construction Ltd | Construction | 2017 |
| Andrew Bramley Ltd | Financial services | 2002 |
| Andrew English Electrical Services Limited | Construction | 2006 |
| Andrew Francis & Associates Ltd | Professional & scientific | 2003 |
| Andrew Green Limited | Professional & scientific | 2011 |
| Andrew Grey Funeral Directors Ltd | Extraterritorial | 2014 |
| Andrew Homes (Woodthorpe) Management Company Limited | Households | 2008 |
| Andrew Joseph Property Ltd | Real estate | 2014 |
| Andrew Parker Art Ltd | Administrative & support | 2026 |
| Andrew Parkinson Learning & Development Limited | Education | 2014 |
| Andrew Pearson Education Consultancy Limited | Education | 2015 |
| Andrew Shane Limited | Manufacturing | 1977 |
| Andrew Smith Consulting Ltd | Administrative & support | 2017 |
| Andrew Spowage Limited | Professional & scientific | 2006 |
| Andrew Sutton Limited | Financial services | 2009 |
| Andrew Ward Associates - Employment Agency Limited | Administrative & support | 2020 |
| Andrew Ward Associates-Accountants Limited | Financial services | 2020 |
| Andrew Wilkinson Ltd | Professional & scientific | 2023 |
| Andrew Wright Consulting Limited | Financial services | 2013 |
| Andrew's Appliance Services Ltd | Other services | 2005 |
| Andrewjmercer Limited | Professional & scientific | 2023 |
| Andrews Enablement Ltd | Information & communication | 2024 |
| Andrews Rail Ltd | Construction | 2017 |
| Andrews-Gibbs Property Management Ltd | Real estate | 2020 |
| Andros Import/Export Ltd | Wholesale & retail | 2014 |
| Andrzej Zielinski Ltd | Wholesale & retail | 2025 |
| Andy Cook Windows Limited | Construction | 2005 |
| Andy Davidson-Hogg Consultancy Limited | Real estate | 2007 |
| Andy Handy Limited | Administrative & support | 2018 |
| Andy Jack Services Limited | Construction | 2012 |
| Andy Johnson Construction Ltd | Construction | 2021 |
| Andy LA Gette TC Limited | Administrative & support | 2018 |
| Andy Mann Structural Design Ltd | Construction | 2011 |
| Andy Milburn Transport Ltd | Transport & logistics | 2020 |
| Andy Porter Electrical Services Limited | Construction | 2006 |
| Andy Stanley & Sons Limited | Construction | 2009 |
| Andy Taylor GAS Services Ltd | Manufacturing | 2012 |
| Andy Taylor Limited | Wholesale & retail | 2014 |
| Andy Taylor Properties Limited | Real estate | 2003 |
| Andy Taylor Property Ltd | Real estate | 2019 |
| Andy Vincent PT Limited | Other services | 2017 |
| Andy Walker Property Services Limited | Hospitality | 2016 |
| Andy Ward Consultancy Limited | Professional & scientific | 2011 |
| Andy&Ami Delivery Services Ltd | Transport & logistics | 2025 |
| Andypack Limited | Transport & logistics | 2004 |