| Anas Asmat Ltd | Manufacturing | 2024 |
| Anasha Properties Limited | Real estate | 2016 |
| Anatolia Stores Ltd | Wholesale & retail | 2019 |
| Anav Rheumatology Practice Ltd | Health & social care | 2023 |
| Anax Technologies Limited | Professional & scientific | 2013 |
| ANB Real Estates Ltd | Real estate | 2023 |
| ANC Electrical Services Ltd | Construction | 2024 |
| ANC Maintenance Ltd | Construction | 2023 |
| Anca Parfums Limited | Wholesale & retail | 2024 |
| Ancasure Ltd | Financial services | 2014 |
| Anchor Essentials Ltd | Wholesale & retail | 2025 |
| Anchor Maintenance Group Limited | Construction | 2025 |
| Anchor Plungar Ltd | Hospitality | 2020 |
| Anchor Property Group Ltd | Construction | 2026 |
| Anchoram Ltd | Administrative & support | 2019 |
| Anchorick Limited | Real estate | 2014 |
| Anchorlume Group Ltd | Wholesale & retail | 2025 |
| Anchorprint Ltd | Manufacturing | 1989 |
| Anci Group Limited | Wholesale & retail | 2022 |
| Ancile Properties Limited | Professional & scientific | 2007 |
| AND Create Design Ltd | Professional & scientific | 2015 |
| AND Engineering Limited | Professional & scientific | 2023 |
| AND Holdings (Midland) Ltd | Financial services | 2026 |
| AND Investment (Midlands) Ltd | Real estate | 2024 |
| And&Trans Limited | Transport & logistics | 2018 |
| Andaco Ltd | Financial services | 2018 |
| Andaluz Doner Kebab Ltd | Hospitality | 2025 |
| Andash Holdings Limited | Financial services | 2025 |
| Andb Capital Partners Ltd | Financial services | 2021 |
| Andersen Wood Holdings Limited | Financial services | 2022 |
| Anderson Briggs Estate Agents Limited | Real estate | 2021 |
| Anderson Family PUB Co Ltd | Hospitality | 2018 |
| Anderson Family Taverns Co Ltd | Hospitality | 2025 |
| Anderson Lewis Events Ltd | Professional & scientific | 2017 |
| Anderson Sanders Limited | Administrative & support | 2025 |
| Anderson's Lettings Agency Limited | Real estate | 2008 |
| Andersons Commercials Ltd | Manufacturing | 2002 |
| Andersons Property Services (Leicestershire) Limited | Construction | 2012 |
| Andi & SON Barbers 2 Ltd | Other services | 2025 |
| Andi & SON Barbers Ltd | Other services | 2024 |
| Andkithco Limited | Hospitality | 2025 |
| Andontransport Ltd | Transport & logistics | 2025 |
| Andover Fabrications Limited | Manufacturing | 2003 |
| Andover Holdings Ltd | Financial services | 2025 |
| Andrade Santiago Consulting Ltd | Wholesale & retail | 2020 |
| Andre Investments Limited | Real estate | 2002 |
| Andrea & Cristina @ Sapori Limited | Hospitality | 2024 |
| Andrea Group Limited | Wholesale & retail | 2022 |
| Andrea Muntean Ltd | Transport & logistics | 2018 |
| Andrea Simkin Consulting Limited | Professional & scientific | 2024 |
| Andrei Lingurar Ltd | Transport & logistics | 2024 |
| ANDREIMAN21 Ltd | Transport & logistics | 2024 |
| Andrew & Ashwell Limited | Real estate | 2010 |
| Andrew Bourne & Co IFA Holdings Limited | Financial services | 2021 |
| Andrew Bourne & Co Independent Financial Advisers Limited | Financial services | 2010 |
| Andrew Bourne Group Limited | Professional & scientific | 2024 |
| Andrew Bridger Associates Ltd | Professional & scientific | 2010 |
| Andrew Coaton Limited | Professional & scientific | 2017 |
| Andrew Golland Associates Limited | Professional & scientific | 2005 |
| Andrew J Tebbutt Butchers Ltd | Hospitality | 2026 |
| Andrew Lees Consultancy Services UK Ltd | Information & communication | 2015 |
| Andrew M Ford Limited | Professional & scientific | 2008 |
| Andrew Nicholas Building & Joinery Ltd | Construction | 2015 |
| Andrew Perkins Cars Ltd | Wholesale & retail | 2023 |
| Andrew R Turner Limited | Professional & scientific | 2011 |
| Andrew Wallis Consultancy Ltd | Other services | 2018 |
| Andrew White Plumbing & Heating Ltd | Construction | 2012 |
| Andrews Family Holdings Limited | Financial services | 2018 |
| Andrews Harvie Building Contractors Ltd | Construction | 2019 |
| Andrews of Leicester Limited | Transport & logistics | 2003 |
| Andrews Real Estate Company Ltd | Construction | 2025 |
| Andrews Roofing Contractors Limited | Construction | 2020 |
| Andromeda-Sim Ltd | Information & communication | 2024 |
| Andy Bennett Ltd | Construction | 2020 |
| Andy Kirk Contractors Ltd | Administrative & support | 2008 |
| Andy Osborne Fitness Ltd | Other services | 2012 |
| Andyjul Tailormade Properties Ltd | Real estate | 2022 |
| Andymarsh Ltd | Health & social care | 2018 |
| Anehxa Ltd | Hospitality | 2024 |
| Aneova Asset Management Ltd | Real estate | 2021 |
| Anesi Wear Ltd | Wholesale & retail | 2025 |
| Anesu Ishe Limited | Health & social care | 2013 |
| Anfe Ltd | Other services | 2026 |
| Anfield Assets Ltd | Financial services | 2026 |
| Anfield Capital Investments Ltd | Financial services | 2026 |
| Anfield Capital Ltd | Financial services | 2026 |
| Anfield Maintenance Services Ltd | Construction | 2026 |
| Anfield Management Ltd | Financial services | 2026 |
| Anfield Property Services Ltd | Real estate | 2026 |
| Angad Abodes PVT Ltd | Real estate | 2025 |
| Angad Transport (Midlands) Ltd | Transport & logistics | 2025 |
| Angadi Healthcare Limited | Health & social care | 2021 |
| Angeholly 2023 Limited | Health & social care | 2023 |
| Angel Events Ltd | Arts & recreation | 2011 |
| Angel Touch Beauty Limited | Other services | 2026 |
| Angel Units Ltd | Wholesale & retail | 2024 |
| Angel's Chippy Limited | Hospitality | 2021 |
| Angela Campling Limited | Professional & scientific | 2007 |
| Angela Chase Investment Group Ltd | Real estate | 2023 |
| Angela Court (Toton) Management Company Limited | Households | 2012 |