| Axiomarket Limited | Wholesale & retail | 2025 |
| Axiomify Ltd | Wholesale & retail | 2024 |
| Axiomtek UK Limited | Wholesale & retail | 2015 |
| Axion Cables Ltd | Professional & scientific | 2026 |
| Axion Commercial Ltd | Real estate | 2025 |
| Axion Consultants Ltd | Professional & scientific | 2025 |
| Axion Consulting Limited | Extraterritorial | 2006 |
| Axion Spark Digital Ltd | Information & communication | 2025 |
| Axionex Ltd | Wholesale & retail | 2026 |
| Axira Logistics Limited | Transport & logistics | 2025 |
| Axiro Novexa Solutions Ltd | Extraterritorial | 2026 |
| Axiro Ventures Ltd | Extraterritorial | 2026 |
| Axis Clean Solutions Ltd | Administrative & support | 2025 |
| Axis Commercial Limited | Real estate | 2009 |
| Axis Connex Ltd | Wholesale & retail | 2026 |
| Axis Contractors Limited | Administrative & support | 2021 |
| Axis Flow Limited | Wholesale & retail | 2025 |
| Axis Healthcare Consulting Limited | Professional & scientific | 2020 |
| Axis Investments Ltd | Other services | 2017 |
| Axis Manchester LLP | | 2008 |
| Axis MCR Ltd | Administrative & support | 2013 |
| Axis Medicare Limited | Wholesale & retail | 1986 |
| Axis NW Ltd | Wholesale & retail | 2026 |
| Axis One International Limited | Wholesale & retail | 2025 |
| Axis Partners Solutions Co Ltd | Other services | 2021 |
| Axis Podiatry Ltd | Health & social care | 2017 |
| Axis Property Consultancy LLP | | 2014 |
| Axis Solicitors Limited | Professional & scientific | 2018 |
| Axis Sports Limited | Manufacturing | 2022 |
| Axis Strategy Ltd | Professional & scientific | 2025 |
| Axis Tower Management Limited | Households | 2018 |
| Axiscabs Limited | Transport & logistics | 2024 |
| Axisone Consulting Ltd | Professional & scientific | 2026 |
| Axiswood Limited | Transport & logistics | 1989 |
| Axivn Magnexr Solutions Ltd | Extraterritorial | 2026 |
| Axivon Novexa Systems Ltd | Extraterritorial | 2026 |
| Axle for Architecture Ltd | Wholesale & retail | 2025 |
| Axley Partners Ltd | Financial services | 2023 |
| Axolotl Creative LLP | | 2024 |
| Axon Moore Limited | Administrative & support | 2002 |
| Axon Square Services Ltd | Construction | 2025 |
| Axonerp LLP | | 2024 |
| Axonity Fluxera Systems Ltd | Extraterritorial | 2026 |
| Axons of Didsbury(Nw) Limited | Wholesale & retail | 2017 |
| Axonzeta Ltd | Information & communication | 2023 |
| Axorent Voryxa Trading Ltd | Extraterritorial | 2026 |
| Axserto Ltd | Information & communication | 2021 |
| AXT Law Ltd | Extraterritorial | 2025 |
| Axtella Limited | Construction | 2020 |
| Axxo Property Ltd | Construction | 2026 |
| AY Healthcare Services Limited | Health & social care | 2024 |
| AY Investments 1 Limited | Real estate | 2020 |
| AY Mobile Accessories Ltd | Wholesale & retail | 2024 |
| AY Pharmaceuticals Ltd | Health & social care | 2024 |
| AY Prescribers Ltd | Wholesale & retail | 2025 |
| AY PROPCO1 Ltd | Real estate | 2021 |
| AY Property Ltd | Real estate | 2018 |
| AY100 Ltd | Construction | 2021 |
| AY250 Limited | Real estate | 2024 |
| AYA Barzanji Ltd | Real estate | 2019 |
| AYA Gold Ltd | Manufacturing | 2024 |
| AYA Training Limited | Administrative & support | 2024 |
| AYA Trust Limited | Other services | 2022 |
| Ayaan Food Service Limited | Hospitality | 2025 |
| Ayaan Textiles Ltd | Manufacturing | 2025 |
| Ayaan Tracks Ltd | Wholesale & retail | 2025 |
| Ayaan&Yahya Ltd | Wholesale & retail | 2025 |
| Ayaat Properties Ltd | Transport & logistics | 2023 |
| AYAATS12 Ltd | Real estate | 2018 |
| Ayah NW Trading Ltd | Wholesale & retail | 2023 |
| Ayan Builder Limited | Construction | 2024 |
| Ayan Capital 1 Ltd | Financial services | 2024 |
| Ayan Capital 2 Ltd | Financial services | 2025 |
| Ayan Property Services Ltd | Real estate | 2025 |
| Ayan Travel & Car Hire Ltd | Administrative & support | 2024 |
| Ayana N Ltd | Hospitality | 2025 |
| Ayanza Limited | Wholesale & retail | 2026 |
| Ayat Bargains Ltd | Wholesale & retail | 2024 |
| Ayat's Collections Ltd | Wholesale & retail | 2025 |
| Ayaz Cheema Limited | Other services | 2006 |
| Ayaz Safi Limited | Hospitality | 2023 |
| AYB Enterprises Ltd | Wholesale & retail | 2023 |
| AYC Traders Ltd | Wholesale & retail | 2025 |
| Ayceelytics Ltd | Information & communication | 2019 |
| Ayconn Limited | Construction | 2023 |
| Ayda's Beauty & Wellness Ltd | Other services | 2025 |
| Aydans Limited | Wholesale & retail | 2010 |
| Ayden Group Ltd | Financial services | 2019 |
| Ayden Textile Limited | Wholesale & retail | 2023 |
| Aydin Technology and Consultancy Ltd | Information & communication | 2020 |
| Aydo-Deutschland Ltd | Administrative & support | 2017 |
| Aydsame Foods Ltd | Wholesale & retail | 2026 |
| Ayeesha Trading Ltd | Manufacturing | 2024 |
| Ayeman Ltd | Wholesale & retail | 2024 |
| Ayesha & Co Accountants and Tax Advisors Ltd | Professional & scientific | 2013 |
| Ayesha (Holyhead) Ltd | Hospitality | 2018 |
| Ayesha Things Ltd | Wholesale & retail | 2025 |
| Ayhago Ltd | Wholesale & retail | 2020 |
| Ayhan Yumusak for Investment Ltd | Other services | 2021 |
| AYK Investments Ltd | Real estate | 2023 |