| Agent RNB Ltd | Arts & recreation | 2019 |
| Agentsify Limited | Administrative & support | 2024 |
| Agfm Commerce Ltd | Information & communication | 2025 |
| Aghosh Trading Limited | Wholesale & retail | 2017 |
| Agile Safehands Services Ltd | Administrative & support | 2025 |
| AGK Tech Solutions Ltd | Information & communication | 2022 |
| Agmm Direct Ltd | Wholesale & retail | 2025 |
| AGR Homes Limited | Other services | 2024 |
| Agro Trade U.K. Limited | Hospitality | 2025 |
| AGS Property Invesments Ltd | Real estate | 2019 |
| AH Architecture Design Limited | Construction | 2014 |
| AH Global Trade Limited | Wholesale & retail | 2025 |
| AH Property Companies Limited | Real estate | 2025 |
| Ahkr Limited | Construction | 2026 |
| AHL Autos Ltd | Wholesale & retail | 2016 |
| Ahluwalia Management Ltd | Professional & scientific | 2015 |
| Ahmad Houses Limited | Real estate | 2024 |
| Ahmadzai Constructions Ltd | Other services | 2015 |
| Ahmadzai Foods Limited | Wholesale & retail | 2011 |
| Ahmed Exotic Limited | Wholesale & retail | 1998 |
| Ahmoaaifh Ltd | Administrative & support | 2016 |
| AHP Developments (London) Limited | Construction | 2013 |
| AHS Arbitration & Consulting Limited | Information & communication | 2017 |
| Ahuja Brothers London Ltd | Wholesale & retail | 2018 |
| Ahuja Developments Ltd | Real estate | 2022 |
| Ahuja Estate Investments Ltd | Real estate | 2025 |
| Ahuja Group Ltd | Real estate | 2023 |
| Ahuja Property Investments Ltd | Real estate | 2023 |
| Ahuja Trading UK Ltd | Wholesale & retail | 2014 |
| AI Private Limited | Transport & logistics | 2025 |
| AI Projects Ltd | Wholesale & retail | 2022 |
| Aida Care Services Ltd | Administrative & support | 2012 |
| Aima Enterprises Limited | Wholesale & retail | 2002 |
| Air Express Cars Limited | Transport & logistics | 2016 |
| Aircraft Transportation Limited | Transport & logistics | 2026 |
| Airport Taxi Zone Ltd | Transport & logistics | 2025 |
| Airport Transfers Connect Ltd | Transport & logistics | 2018 |
| Airportparkinn Ltd | Transport & logistics | 2024 |
| AIS Elec-Tech Ltd | Construction | 2018 |
| Aish Audio Ltd | Arts & recreation | 2020 |
| Aisha Halal Foods Ltd | Hospitality | 2024 |
| Aisha's Kitchen Ltd | Hospitality | 2024 |
| Aisha-S (UK) Limited | Wholesale & retail | 2014 |
| AJ Carpet & Flooring Ltd | Construction | 2021 |
| Ajay Autos Limited | Wholesale & retail | 2023 |
| AJB Brothers 2 Ltd | Wholesale & retail | 2025 |
| AJB Brothers Ltd | Real estate | 2020 |
| Ajda Shukuzr Limited | Hospitality | 2022 |
| Ajeet Media Limited | Manufacturing | 2011 |
| Ajeet Media Studio Ltd | Professional & scientific | 2025 |
| Ajesa Developments Ltd | Construction | 2025 |
| AJG Commercial Ltd | Real estate | 2025 |
| Ajit Properties Limited | Real estate | 2025 |
| AJK Foods Limited | Hospitality | 2016 |
| AJM Courier Services Ltd | Transport & logistics | 2022 |
| Ajmeet UK Limited | Wholesale & retail | 2013 |
| AJS Wrap and Customs Ltd | Wholesale & retail | 2018 |
| AJT & Co Consulting Ltd | Administrative & support | 2024 |
| Ajwa Jewellers Ltd | Wholesale & retail | 2014 |
| Ajwa Properties London Ltd | Real estate | 2024 |
| AK & L Logistics Limited | Transport & logistics | 2019 |
| AK 7 Trading Limited | Wholesale & retail | 2025 |
| AK Boutique Limited | Wholesale & retail | 2024 |
| AK Immigration Experts Ltd | Other services | 2024 |
| AK Phones & Accessories Ltd | Wholesale & retail | 2018 |
| AK Travel & Services Ltd | Administrative & support | 2024 |
| AK Union Home Ltd | Real estate | 2024 |
| Ak&Co Trading Ltd | Hospitality | 2019 |
| Akaal Builders and Construction Limited | Construction | 2023 |
| Akaal Construction Ltd | Construction | 2026 |
| Akas Photography Limited | Professional & scientific | 2018 |
| Akash KAMBOJ1 Ltd | Construction | 2025 |
| Akashdeep Singh Ltd | Construction | 2022 |
| AKB Homes Limited | Real estate | 2025 |
| AKB Medico Legal Services Limited | Health & social care | 2013 |
| Akbar Travels of India Limited | Administrative & support | 2014 |
| AKG Enterprises Limited | Hospitality | 2024 |
| AKG Media Limited | Extraterritorial | 2010 |
| AKH Catering Ltd | Hospitality | 2025 |
| Akhtar's Solutions Limited | Professional & scientific | 2013 |
| AKJ International Ltd | Professional & scientific | 2021 |
| AKK Trading Company Ltd | Wholesale & retail | 2022 |
| Akluvia Ltd | Hospitality | 2026 |
| Akmex Business Limited | Real estate | 2014 |
| AKP Homes Ltd | Real estate | 2023 |
| AKS Elite Fitness Ltd | Wholesale & retail | 2023 |
| Aksaya Fish Limited | Wholesale & retail | 2020 |
| AL - Haad Limited | Hospitality | 2008 |
| AL Amanah Box Storage, Removal and Cargo Services Limited | Transport & logistics | 2025 |
| AL Anwar Solutions Ltd | Construction | 2009 |
| AL Arbi Ltd | Hospitality | 2018 |
| AL Arbi Property Limited | Real estate | 2026 |
| AL Gladstone Ltd | Real estate | 2021 |
| AL Ihram Abaya Ltd | Wholesale & retail | 2024 |
| AL Khair Construction Ltd | Construction | 2021 |
| AL Khayal Group Ltd | Hospitality | 2018 |
| AL Moon Ltd | Hospitality | 2024 |
| AL Noor Brothers Ltd | Information & communication | 2026 |
| AL Qadar International Limited | Administrative & support | 2019 |
| AL Qaswa Properties Ltd | Real estate | 2024 |