| Andsad Trading Ltd | Financial services | 2025 |
| Andsom Skin Limited | Wholesale & retail | 2024 |
| Andy and ES Limited | Construction | 2016 |
| Andy and Paula Couriers Ltd | Transport & logistics | 2021 |
| Andy Bass Electrical Ltd | Construction | 2018 |
| Andy Bennett & Son's Ltd | Transport & logistics | 2006 |
| Andy Driver Services Limited | Transport & logistics | 2011 |
| Andy Essam Carpentry Ltd | Construction | 2016 |
| Andy Group Limited | Construction | 2016 |
| Andy Lovesys Carpentry Ltd | Construction | 2025 |
| Andy Mcrory Consultancy Limited | Financial services | 2010 |
| Andy Nolan Limited | Information & communication | 2015 |
| Andy's IT Solutions Limited | Information & communication | 2009 |
| Andy’S Food Truck Ltd | Hospitality | 2023 |
| Aneesah Spice Ltd | Hospitality | 2024 |
| Anetta Travel Ltd | Administrative & support | 2019 |
| ANG Motors Garage Ltd | Wholesale & retail | 2018 |
| Ange Tech Limited | Professional & scientific | 2013 |
| Angel Diva Ltd | Other services | 2014 |
| Angel Herb Ltd | Hospitality | 2022 |
| Angel Holdings NN Limited | Construction | 2024 |
| Angel Hotel Northampton CIC | Hospitality | 2019 |
| Angel Luck Ltd | Extraterritorial | 2024 |
| Angel Minibus Hire Limited | Transport & logistics | 2018 |
| Angel Property Development Limited | Real estate | 2002 |
| Angel Trust Property Management Ltd | Hospitality | 2024 |
| Angela & Daughters Funeralcare Limited | Other services | 2026 |
| Angela Jane Will Writing & Estate Planning Ltd | Other services | 2017 |
| Angela Litchfield Limited | Health & social care | 2019 |
| Angelina Limited | Wholesale & retail | 2007 |
| Angell Plumbing Services Limited | Construction | 2014 |
| Angell Services (Furnishings) Limited | Wholesale & retail | 1964 |
| Angellite | Other services | 2009 |
| Angels Care Network Limited | Health & social care | 2026 |
| Angels Kiss Ltd | Manufacturing | 2025 |
| Angie's Property Group Ltd | Real estate | 2023 |
| Anglen Logistics Ltd | Transport & logistics | 2017 |
| Anglia Civil Engineering Limited | Construction | 2008 |
| Anglia EYE Specialist Ltd | Health & social care | 2013 |
| Anglian Scaffolding Limited | Construction | 2007 |
| Anglin Davies Property Development Ltd | Construction | 2019 |
| Angling Addiction Ltd | Wholesale & retail | 2017 |
| Anglo American Motor Company Limited | Wholesale & retail | 2012 |
| Anglo American RV Centre Limited | Manufacturing | 2017 |
| Anglo Scottish Inns Ltd | Hospitality | 2002 |
| Angus Meatery Limited | Wholesale & retail | 2024 |
| Angywillis Company Limited | Administrative & support | 2017 |
| ANH Trading Limited | Manufacturing | 2017 |
| Anichaco Limited | Professional & scientific | 2012 |
| Anicle Consulting Limited | Professional & scientific | 2019 |
| Anil Garcia Consultancy Limited | Health & social care | 2010 |
| Animal Based Ltd | Hospitality | 2024 |
| Animal Focused Alliance Ltd | Other services | 2025 |
| Animal Health & Hygiene Limited | Extraterritorial | 2021 |
| Animot Adetayo Company Ltd | Health & social care | 2014 |
| Aniron Limited | Construction | 2012 |
| Anisa Holdings Ltd | Real estate | 2025 |
| Anitacaramet Ltd | Administrative & support | 2025 |
| ANJ Empowered Living Ltd | Real estate | 2025 |
| Ankaro Limited | Construction | 2018 |
| Ankt Services Ltd | Wholesale & retail | 2025 |
| ANN Palm Limited | Professional & scientific | 2019 |
| Anna Health & Beauty Ltd | Other services | 2019 |
| Anna Shah Consultancy Limited | Health & social care | 2019 |
| Anne Furbank (Fashions) Limited | Wholesale & retail | 2002 |
| Anne&Mari Ltd | Transport & logistics | 2026 |
| Anne&Mia Ltd | Transport & logistics | 2023 |
| Annette Delivery Ltd | Transport & logistics | 2022 |
| Annie Property Management Ltd | Real estate | 2022 |
| Annjam Holdings Ltd | Real estate | 2021 |
| Annjam Residential Ltd | Households | 2022 |
| Annorlunda Group Limited | Hospitality | 2024 |
| Anondo Bazaar Ltd | Wholesale & retail | 2026 |
| Another Planet Online Limited | Wholesale & retail | 2005 |
| Anowo Trading Limited | Administrative & support | 2015 |
| ANP Investments Limited | Financial services | 2013 |
| Anrvia Limited | Real estate | 2015 |
| ANS Events Ltd | Other services | 2023 |
| ANS Partnership Limited | Professional & scientific | 2015 |
| Ansarc Ltd | Professional & scientific | 2012 |
| Ansiva Construction Ltd | Construction | 2021 |
| Anslow Legacy Limited | Real estate | 2025 |
| Ansp Construction Limited | Construction | 2019 |
| Anston House Limited | Health & social care | 2019 |
| Ant&Luk Ltd | Transport & logistics | 2019 |
| Anthea Home Care Ltd | Administrative & support | 2025 |
| Anthesth Limited | Wholesale & retail | 2015 |
| Anthesth Trading Limited | Wholesale & retail | 2015 |
| Anthony D Real Estate Ltd | Real estate | 2022 |
| Antohibogdan Ltd | Transport & logistics | 2019 |
| Antony Daniel Barbers Ltd | Other services | 2026 |
| ANV Group Ltd | Financial services | 2020 |
| Anya & Nyla Ltd | Real estate | 2021 |
| Anya's Way Limited | Wholesale & retail | 2021 |
| Anycomp 2017 NO.2 Limited | Financial services | 2017 |
| Anytime Anyplace Limited | Transport & logistics | 2008 |
| Anytime Anywhere 2 Ltd | Transport & logistics | 2025 |
| Anywhere Couriers Ltd | Transport & logistics | 2020 |
| Anywhere Sameday Couriers Ltd | Transport & logistics | 2020 |
| ANZ Business Solution Ltd | Wholesale & retail | 2025 |