| Airpa Research and Development Limited | Professional & scientific | 2018 |
| Airport Chauffeurs London Ltd | Transport & logistics | 2014 |
| Airport Direct Services Ltd | Transport & logistics | 2000 |
| Airport Parkwise Ltd | Other services | 2026 |
| AIS Helal Limited | Real estate | 2022 |
| AIS Legal Services Limited | Professional & scientific | 2024 |
| Aisa Cars London Limited | Wholesale & retail | 2025 |
| Aish Super Store Ltd | Wholesale & retail | 2025 |
| Aisha Healthcare Limited | Health & social care | 2005 |
| Aishutech Limited | Information & communication | 2010 |
| Aishwarya Development Limited | Real estate | 2024 |
| Aisl Ltd | Wholesale & retail | 2025 |
| Aita Ltd | Professional & scientific | 2020 |
| Aitazaz Consulting Limited | Health & social care | 2009 |
| Aitco Limited | Information & communication | 2014 |
| Aitco Management Limited | Administrative & support | 2015 |
| Aitmaad Worldwide Limited | Wholesale & retail | 2024 |
| AIU Investments Ltd | Wholesale & retail | 2021 |
| Aivaluate Limited | Information & communication | 2025 |
| Aiym Group Ltd | Professional & scientific | 2019 |
| Aiza Collections Ltd | Wholesale & retail | 2026 |
| Aiza Enterprises Ltd | Administrative & support | 2016 |
| Aizama Estates Ltd | Real estate | 2024 |
| Aizol Limited | Wholesale & retail | 2026 |
| AJ Accountants Limited | Professional & scientific | 2009 |
| AJ Autos UK Ltd | Wholesale & retail | 2019 |
| AJ Cleaning Group Limited | Administrative & support | 2019 |
| AJ Dallow Ltd | Real estate | 2025 |
| AJ Estate Management Ltd | Real estate | 2026 |
| AJ Garments Ltd | Wholesale & retail | 2025 |
| AJ Health Services Limited | Professional & scientific | 2019 |
| AJ Ilford Ltd | Hospitality | 2023 |
| AJ Investments & Trading Limited | Wholesale & retail | 2021 |
| AJ Labs Limited | Administrative & support | 2025 |
| AJ Legal Consultants Ltd | Professional & scientific | 2013 |
| AJ Movers,S Ltd | Transport & logistics | 2021 |
| AJ Venture Capital Limited | Real estate | 2019 |
| AJ9 Ltd | Wholesale & retail | 2019 |
| AJ96ENTERPRISES Ltd | Wholesale & retail | 2025 |
| AJA Capital Ltd | Professional & scientific | 2023 |
| Ajad & SON London Ltd | Education | 2023 |
| Ajaib Consulting Ltd | Information & communication | 2019 |
| Ajas International Ltd | Construction | 2015 |
| Ajaz & Co Accountants Limited | Professional & scientific | 2009 |
| Ajff Limited | Wholesale & retail | 2025 |
| AJH Couriers Services Ltd | Wholesale & retail | 2024 |
| AJH Security Limited | Administrative & support | 2023 |
| Ajibike Company Limited | Health & social care | 2024 |
| AJK Coaches Limited | Transport & logistics | 2018 |
| AJK Motors Limited | Wholesale & retail | 2026 |
| AJK Telecoms Limited | Information & communication | 2012 |
| Ajktours Limited | Administrative & support | 2025 |
| AJL Property Maintenance Limited | Construction | 2025 |
| AJL Real Estate Holdings Ltd | Real estate | 2017 |
| Ajl's Music Ltd | Information & communication | 2023 |
| AJM Private Ltd | Wholesale & retail | 2024 |
| Ajonlinesales Ltd | Wholesale & retail | 2026 |
| Ajooni Construction London Ltd | Construction | 2026 |
| AJPROPS1 Ltd | Real estate | 2026 |
| Ajrak Gifts Ltd | Wholesale & retail | 2025 |
| AJS Food and Wine Ltd | Wholesale & retail | 2025 |
| AJS Interiors Ltd | Construction | 2013 |
| AJV Financial Services Ltd | Financial services | 2019 |
| Ajvj Consulting Ltd | Information & communication | 2019 |
| Ajwa Sweets Ltd | Wholesale & retail | 2020 |
| Ajwaa Traders Ltd | Extraterritorial | 2012 |
| AK & SI Investments Limited | Real estate | 2022 |
| AK 2.0 Ltd | Professional & scientific | 2022 |
| AK Business Hub Limited | Professional & scientific | 2024 |
| AK Businesses Ltd. | Wholesale & retail | 2014 |
| AK Decor Ltd | Construction | 2017 |
| AK Enterprises Naik Ltd | Wholesale & retail | 2018 |
| AK Expansion Limited | Real estate | 2018 |
| AK Finance & Strategy Ltd | Transport & logistics | 2025 |
| AK Financial Consultancy Limited | Professional & scientific | 2021 |
| AK Jewelers and Watches Ltd | Wholesale & retail | 2019 |
| AK Joint Ventures Ltd | Construction | 2025 |
| AK K9 Security Services Ltd | Administrative & support | 2025 |
| AK Logistics London Limited | Transport & logistics | 2024 |
| AK Medtech Ltd | Wholesale & retail | 2025 |
| AK Motorz Ltd | Wholesale & retail | 2016 |
| AK PAK Sports Ltd | Wholesale & retail | 2024 |
| AK Parcel Services Ltd | Other services | 2017 |
| AK Plumbing & Electrical Limited | Construction | 2018 |
| AK Prime Trading Limited | | 2016 |
| AK Pro Building Ltd | Construction | 2025 |
| AK Properly and Logistic Ltd | Wholesale & retail | 2020 |
| AK Property Group Limited | Real estate | 2023 |
| AK Security and IT Consultants Limited | Information & communication | 2017 |
| AK Shagufta London Ltd | Wholesale & retail | 2016 |
| AK Shopfronts Limited | Construction | 2013 |
| AK Shukur Ltd | Health & social care | 2019 |
| AK Smartbuy Ltd | Wholesale & retail | 2026 |
| AK Tech Security Ltd | Construction | 2024 |
| AK Teeth Care Ltd | Health & social care | 2026 |
| AK Wheels Ltd | Transport & logistics | 2024 |
| AK Zafira Ltd | Hospitality | 2026 |
| Ak&Ab Ltd | Wholesale & retail | 2025 |
| AK1 Construction Ltd | Real estate | 2020 |
| AK1 Properties Limited | Real estate | 2021 |