| Afridi Properties Limited | Real estate | 2017 |
| Afrilearn Technology Limited | Information & communication | 2025 |
| Afrilicken Junction Restaurant Ltd. | Hospitality | 2019 |
| Afritec UK Limited | Manufacturing | 2014 |
| Afrixpress and Cleaning Service Ltd | Wholesale & retail | 2025 |
| Afrodish Restaurant Grill & Takeaway Ltd | Hospitality | 2023 |
| Afrodisyas Ltd | Real estate | 2024 |
| Afrodrive Ltd | Wholesale & retail | 2023 |
| Afronie Management Ltd | Professional & scientific | 2016 |
| Afronosh Limited | Hospitality | 2024 |
| AFS Removals Limited | Transport & logistics | 2020 |
| After Dark Group Ltd | Hospitality | 2026 |
| Afterglow TAN & Co Limited | Other services | 2024 |
| Afterlife Services Ltd | Information & communication | 2022 |
| AFW Management Ltd | Extraterritorial | 2013 |
| Afzal Mart Limited | Wholesale & retail | 2025 |
| Afzal Pharma Ltd | Manufacturing | 2014 |
| AG Capital Management Services Limited | Financial services | 2013 |
| AG Food Distribution Limited | Hospitality | 2026 |
| AG Forward Consulting Limited | Professional & scientific | 2008 |
| AG Motors Leicester Limited | Wholesale & retail | 2026 |
| AG Phoenix Ltd | Wholesale & retail | 2019 |
| AG Weavers Limited | Real estate | 2023 |
| AG Windows Supplies Limited | Manufacturing | 2023 |
| Ag-Ng Properties Ltd | Real estate | 2024 |
| AG93 Limited | Administrative & support | 2024 |
| AGA Coventry Ltd | Wholesale & retail | 2013 |
| AGA Homes Ltd | Real estate | 2021 |
| Agape Labs Ltd | Information & communication | 2025 |
| Agape Worldwide Ltd | Professional & scientific | 2021 |
| Agar Driving School Ltd | Education | 2024 |
| Agarwood Stays Ltd | Real estate | 2023 |
| Agas Realty Ltd | Real estate | 2025 |
| AGD Financial Planning Ltd | Professional & scientific | 2023 |
| AGE UK Coventry | Information & communication | 2003 |
| AGE Universal Limited | Professional & scientific | 2017 |
| Agelna Ltd | Transport & logistics | 2024 |
| Agema Engineering Limited | Manufacturing | 1986 |
| Agema Limited | Professional & scientific | 1999 |
| Agentic Management Solutions Ltd | Information & communication | 2025 |
| AGG Express Limited | Hospitality | 2025 |
| Aggarwal Accounts Limited | Professional & scientific | 2021 |
| Aggarwal and Co (Accountants) Ltd. | Professional & scientific | 2002 |
| Aggarwal Asset Management Ltd | Real estate | 2025 |
| AGH Heating & Building Limited | Construction | 2018 |
| Agile Axis Limited | Information & communication | 2024 |
| Agile Business Resources Limited | Administrative & support | 2016 |
| Agile Games Ltd | Professional & scientific | 2012 |
| Agile Management Solutions Ltd | Professional & scientific | 2012 |
| Agile Mastery Limited | Information & communication | 2017 |
| Agile PR Limited | Administrative & support | 2007 |
| Agile UK Consultancy Ltd | Information & communication | 2022 |
| Agile Unboxed Limited | Information & communication | 2024 |
| Agility Cloud Solutions Ltd | Information & communication | 2016 |
| Agincourt Pertain Limited | Real estate | 2020 |
| AGL Marketing Limited | Information & communication | 2022 |
| Agmj Limited | Real estate | 2010 |
| Agnus Castus Limited | Manufacturing | 2023 |
| AGO Nationwide Ltd | Other services | 2017 |
| AGP Services Group Ltd | Administrative & support | 2015 |
| AGQ Building Ltd | Construction | 2021 |
| AGR Logistics,Services & Solutions Limited | Wholesale & retail | 2025 |
| AGR Pharma Ltd | Wholesale & retail | 2024 |
| Agri Farm Services Limited | Manufacturing | 2008 |
| Agricola Enterprise Real Estate Limited | Real estate | 2013 |
| Agriesg Limited | Professional & scientific | 2025 |
| Agrigp Ltd | Transport & logistics | 2016 |
| Agrimagined Ltd | Agriculture & fishing | 2019 |
| Agyaone Ltd | Hospitality | 2025 |
| AH Cloud Ltd | Information & communication | 2021 |
| AH Contemporary Glass Limited | Arts & recreation | 2008 |
| AH Engineering Ltd | Information & communication | 2026 |
| AH NRI Legal Services Ltd | Professional & scientific | 2025 |
| AHA Supermarket Ltd | Wholesale & retail | 2025 |
| Ahaley Services Limited | Health & social care | 2009 |
| Ahari Consulting Limited | Information & communication | 2025 |
| AHB Experts Ltd | Construction | 2025 |
| AHB GAS & Plumbing Ltd | Construction | 2022 |
| AHC Enterprises UK Limited | Health & social care | 2016 |
| Ahdb Services Limited | Professional & scientific | 2025 |
| Ahdm Ltd | Extraterritorial | 2018 |
| Ahira Telecoms Limited | Information & communication | 2014 |
| Ahithra Ltd | Wholesale & retail | 2024 |
| AHL Designs Ltd | Professional & scientific | 2013 |
| AHL Property Ltd | Real estate | 2025 |
| Ahlam Services Ltd | Administrative & support | 2018 |
| Ahluwalia Services Ltd | Health & social care | 2010 |
| AHM Telecoms Limited | Professional & scientific | 2015 |
| Ahmed Brothers Logistics Limited | Transport & logistics | 2023 |
| Ahmed IT Solutions Ltd | Information & communication | 2012 |
| Ahmed Property Management Ltd | Real estate | 2019 |
| Ahmed Real Estate Holdings Ltd | Financial services | 2021 |
| Ahmo Limited | Hospitality | 2025 |
| AHN Logistics Ltd | Transport & logistics | 2013 |
| AHP Holdings Limited | Financial services | 2018 |
| AHP Property Limited | Real estate | 2018 |
| Ahqualitycov Limited | Manufacturing | 2019 |
| AHR Investments Ltd | Real estate | 2016 |
| Ahrs Management Ltd | Extraterritorial | 2016 |
| Ahsan Khan Ltd | Wholesale & retail | 2024 |