| AGF Plans Ltd | Construction | 2022 |
| AGF Steels Ltd | Manufacturing | 2024 |
| AGG Capital Management (Holdco) Limited | Other services | 2019 |
| Agha Group Holding Ltd. | Construction | 2015 |
| Agha Group Ltd | Real estate | 2017 |
| Agha Ltd | Real estate | 2022 |
| Aghita Ltd | Extraterritorial | 2022 |
| Agho Distributions Ltd | Wholesale & retail | 2026 |
| Aghoco 2269 Limited | Extraterritorial | 2023 |
| Aghoco 2311 Limited | Extraterritorial | 2024 |
| Aghoco 2350 Limited | Extraterritorial | 2025 |
| Aghoco 2375 Limited | Extraterritorial | 2026 |
| Aghoco 2376 Limited | Extraterritorial | 2026 |
| Aghoco 2377 Limited | Extraterritorial | 2026 |
| Aghoco 2378 Limited | Extraterritorial | 2026 |
| Aghoco 2379 Limited | Extraterritorial | 2026 |
| Aghoco 2380 Limited | Extraterritorial | 2026 |
| AGI Criminal Solicitors Limited | Professional & scientific | 2017 |
| AGI Mechanics Ltd | Professional & scientific | 2026 |
| AGI Solicitors Limited | Professional & scientific | 2013 |
| AGI Tech Ltd | Professional & scientific | 2025 |
| Agiito Limited | Administrative & support | 1973 |
| Agiito Travel and Events Holdings Limited | Administrative & support | 2007 |
| Agil Software Engineering Ltd | Information & communication | 2018 |
| Agile Applications Group Limited | Professional & scientific | 2015 |
| Agile Applications Limited | Information & communication | 2010 |
| Agile Automations Ltd | Information & communication | 2015 |
| Agile for International Services Limited | Extraterritorial | 2026 |
| Agile Holdings Limited | Information & communication | 2017 |
| Agile Life Sciences Ltd | Professional & scientific | 2020 |
| Agile Planning Ltd | Professional & scientific | 2021 |
| Agile Professional Solutions Limited | Administrative & support | 2005 |
| Agile Recruitment Ltd. | Administrative & support | 2014 |
| Agile Recruitment Solutions Ltd | Administrative & support | 2019 |
| Agile SQL and Data Development Ltd | Information & communication | 2021 |
| Agile Technology Services Ltd | Information & communication | 2021 |
| Agile Waste Limited | Information & communication | 2010 |
| Agile X Services Limited | Professional & scientific | 2023 |
| Agilis LUX (UK) Limited | Administrative & support | 2019 |
| Agirai Consulting Services Limited | Professional & scientific | 2018 |
| Agit Atlantis Ltd | Professional & scientific | 2021 |
| Agiten Investments Ltd | Real estate | 2026 |
| AGL Cleaning Ltd | Administrative & support | 2015 |
| AGL Fleetwood 3 Limited | Financial services | 2020 |
| AGM Developments Limited | Construction | 2023 |
| AGM Property Group Limited | Real estate | 2018 |
| Agmm Ltd | Professional & scientific | 2025 |
| Agmt Logistics Limited | Transport & logistics | 2024 |
| Agnew Anaesthesia Ltd | Health & social care | 2019 |
| Agogo 7 Limited | Wholesale & retail | 2025 |
| Agora Competitions Ltd | Other services | 2026 |
| AGP Consulting Limited | Professional & scientific | 2019 |
| AGR Invest Ltd | Wholesale & retail | 2022 |
| Agri MAT UK Ltd | Wholesale & retail | 2022 |
| Agricorn UK Limited | Arts & recreation | 2011 |
| Agrimatech Rental Limited | Administrative & support | 2025 |
| Agro Global Group Ltd | Wholesale & retail | 2024 |
| Agropharma for Farming Solutions Limited | Professional & scientific | 2023 |
| Agrotonomy Limited | Agriculture & fishing | 2025 |
| AGS Bookkeeping Ltd | Professional & scientific | 2022 |
| AGS Capital Global Holdings Ltd | Professional & scientific | 2025 |
| AGS Construction Management Ltd | Construction | 2018 |
| AGS Health Limited | Health & social care | 2016 |
| AGS Investments Ltd | Professional & scientific | 2022 |
| AGS Manchester Limited | Hospitality | 2025 |
| AGS Partnership Limited | Wholesale & retail | 2013 |
| AGS Source Ltd | Health & social care | 2013 |
| AGS Together Ltd | Information & communication | 2019 |
| Agsa Accommodation Ltd | Real estate | 2023 |
| Agsd Limited | Administrative & support | 2024 |
| AGT Customs Limited | Transport & logistics | 2021 |
| AGT Electrical Systems Limited | Construction | 2026 |
| Aguda Shul Community Trust | Other services | 2024 |
| Aguma Industries Limited | Financial services | 2025 |
| Agunnobiengineering Ltd | Professional & scientific | 2021 |
| Aguri Limited | Information & communication | 2015 |
| Agustinos UK Limited | Extraterritorial | 2015 |
| Agvh Limited | Real estate | 2014 |
| AGW Trading (NW) Ltd | Hospitality | 2023 |
| Agww Properties Limited | Real estate | 2018 |
| AGX23 Ltd | Information & communication | 2023 |
| Agyad Limited | Wholesale & retail | 2022 |
| Agzfilm Ltd | Information & communication | 2023 |
| AH Akstart Holdings Limited | Professional & scientific | 2023 |
| AH Business Services Ltd | Administrative & support | 2025 |
| AH CAB Services Ltd | Transport & logistics | 2026 |
| AH Connections Limited | Information & communication | 2021 |
| AH Consultants Limited | Professional & scientific | 2021 |
| AH Electrical Services Limited | Construction | 2023 |
| AH Estate Group Ltd | Real estate | 2025 |
| AH Fast Ltd | Wholesale & retail | 2025 |
| AH Hassan Limited | Wholesale & retail | 2024 |
| AH Infastructure Services Ltd | Information & communication | 2022 |
| AH Innovision Limited | Information & communication | 2023 |
| AH IT Solutions Ltd | Professional & scientific | 2025 |
| AH Key Steps Ltd | Professional & scientific | 2025 |
| AH Logistic Solutions Ltd | Transport & logistics | 2025 |
| AH MCR Constructions Ltd | Construction | 2025 |
| AH Plumbing Services Ltd | Construction | 2025 |
| AH Property Management Limited | Real estate | 2011 |