| Airport Cargo Services Ltd | Transport & logistics | 2025 |
| Airport Transfer Team Ltd | Transport & logistics | 2026 |
| Aivol Tuition and Training Ltd | Education | 2017 |
| AJ Accounting and Tax Limited | Professional & scientific | 2020 |
| AJ Property Investment Group Ltd | Real estate | 2025 |
| AJ Steels and Fabrication Ltd | Manufacturing | 2020 |
| Ajeet Roofing Services Ltd | Construction | 2024 |
| AJM Control Solutions Ltd | Administrative & support | 2015 |
| AK Auto Motors Ltd | Wholesale & retail | 2025 |
| AK IT Consultancy Limited | Information & communication | 2015 |
| AK Telecom Solutions Ltd | Information & communication | 2020 |
| Akash Walia Capital Ltd | Financial services | 2025 |
| Akath Investment Ltd | Real estate | 2020 |
| Akbinary Ltd | Information & communication | 2021 |
| AKH Heating and Plumbing Ltd | Construction | 2024 |
| Akibacargo Services Limited | Wholesale & retail | 2019 |
| Akins Security & Facilities Services Ltd | Administrative & support | 2016 |
| AKS Support Limited | Health & social care | 2015 |
| Akshara Designs Ltd | Professional & scientific | 2026 |
| Akua Investments Ltd | Real estate | 2020 |
| Akua Properties Ltd | Real estate | 2022 |
| Akuffocos Company Limited | Health & social care | 2023 |
| Akunamathatajoy Ltd | Health & social care | 2025 |
| AKX Services Ltd | Construction | 2026 |
| AL Noor 786 Limited | Hospitality | 2025 |
| AL Noor School Ltd | Education | 2022 |
| Al-Imaan Properties Ltd | Real estate | 2025 |
| Alagg Ltd | Real estate | 2018 |
| ALB Eagles Construction Limited | Construction | 2024 |
| Albert Build Limited | Construction | 2019 |
| Albinuta Beehive Ltd | Hospitality | 2023 |
| Albright Ltd | Wholesale & retail | 2021 |
| Alburouge Community Interest Company | Administrative & support | 2018 |
| Alchemy Catering Limited | Hospitality | 2003 |
| ALE Urban Ltd | Administrative & support | 2025 |
| Alex&Sons Construction Ltd | Construction | 2020 |
| Alex-Iri Limited Limited | Transport & logistics | 2020 |
| Alexia Marlton Ltd | Health & social care | 2021 |
| Alexik&Fhather Limited | Other services | 2017 |
| Alexssim Ltd | Transport & logistics | 2019 |
| Alfa - Ital Ltd | Households | 2020 |
| Alfa 777 Ltd | Real estate | 2020 |
| Alfrid Intelligence Ltd | Information & communication | 2025 |
| ALI Raza Ltd | Wholesale & retail | 2025 |
| Alif Traders Ltd | Wholesale & retail | 2025 |
| Alif York Ltd | Information & communication | 2025 |
| Aliff Limited | Wholesale & retail | 2017 |
| Alifftraders Ltd | Wholesale & retail | 2024 |
| Aliflammeem Ltd | Wholesale & retail | 2021 |
| Alim DIN Ltd | Wholesale & retail | 2026 |
| Alimtex Ltd | Wholesale & retail | 2017 |
| Alin Trans Logistics Ltd | Transport & logistics | 2017 |
| ALL Games Equipment Limited | Administrative & support | 2007 |
| ALL Season Chutney Company Limited | Extraterritorial | 2021 |
| ALL Seasons Flowers Holdings Limited | Administrative & support | 2021 |
| ALL Shapes Yoga Ltd | Arts & recreation | 2019 |
| ALL Trade Solution Ltd | Other services | 2020 |
| ALL Tyrez Ltd | Manufacturing | 2025 |
| Allen Trading Ltd | Financial services | 2026 |
| Alliance Global (UK) Limited | Professional & scientific | 2010 |
| Alliance Holdco Ltd | Real estate | 2024 |
| Alliance Interiors Ltd | Construction | 2018 |
| Alliant Digital Limited | Information & communication | 2024 |
| Allium Landscapes Ltd | Administrative & support | 2018 |
| Alloy Kleaning Limited | Wholesale & retail | 2022 |
| ALM Infrastructure Ltd | Real estate | 2019 |
| Almansour Market Limited | Wholesale & retail | 2023 |
| Almarsad Media Limited | Manufacturing | 2025 |
| Alpen Touch Ltd | Manufacturing | 2025 |
| Alpha Data Engineering Ltd | Construction | 2024 |
| Alpha Stream 01 Limited | Real estate | 2026 |
| Alpha Stream Holdings Limited | Real estate | 2026 |
| Alpha Stream Limited | Transport & logistics | 2025 |
| Alpha Technology Limited | Information & communication | 2014 |
| Alpha Town Products Limited | Wholesale & retail | 2023 |
| Alpha Wholesale Distribution Ltd | Wholesale & retail | 2026 |
| Alroshom Limited | Administrative & support | 2015 |
| Altivex Performance Ltd | Manufacturing | 2025 |
| Altrudocare Ltd | Health & social care | 2025 |
| Altstar Systems Ltd | Construction | 2025 |
| Alusia Ltd | Health & social care | 2015 |
| Alva Kitchen & Bathroom Interior Solutions Ltd | Construction | 2019 |
| Alves Detailing & Valeting Services Limited | Administrative & support | 2024 |
| AM Coffee Limited | Hospitality | 2024 |
| Amar Build and Design Limited | Construction | 2026 |
| Amaresi Limited | Other services | 2024 |
| Amaris Beauty Limited | Wholesale & retail | 2026 |
| Amas Pink Limited | Health & social care | 2018 |
| Amax Marketing London Ltd | Professional & scientific | 2020 |
| Amazing Bazar Ltd | Wholesale & retail | 2026 |
| Ambe Investments Ltd | Real estate | 2021 |
| Amex Client Solutions Ltd | Extraterritorial | 2018 |
| Amiko Limited | Other services | 2025 |
| AMIROSERVICE1 Limited | Manufacturing | 2026 |
| Amjv Retail Limited | Wholesale & retail | 2023 |
| AMK Global Solutions Ltd | Wholesale & retail | 2025 |
| AMK Logistics and Services Ltd | Transport & logistics | 2026 |
| Amorphous Technologies and Engineering Ltd | Manufacturing | 2024 |
| AMP Care Ltd | Health & social care | 2021 |
| AMP Platinum Cars Ltd | Transport & logistics | 2025 |