| Asimqayyum Ltd | Real estate | 2020 |
| Asino Farm Ltd | Financial services | 2023 |
| Asiqual Limited | Education | 2012 |
| Asirem Holdco Limited | Financial services | 2025 |
| Asirui Networks Ltd | Information & communication | 2026 |
| ASJ Developments Ltd | Real estate | 2024 |
| ASJ Services Ltd | Construction | 2019 |
| ASK (First Street) Limited | Construction | 2017 |
| ASK a Barrister (Financial Claims) Limited | Real estate | 2024 |
| ASK a Barrister Limited | Professional & scientific | 2023 |
| ASK a Lawyer Limited | Professional & scientific | 2025 |
| ASK Admin (PVT) Ltd | Other services | 2024 |
| ASK Advisors Ltd | Professional & scientific | 2024 |
| ASK Aesthetics Ltd | Other services | 2017 |
| ASK Controls Limited | Information & communication | 2006 |
| ASK Direct Services Limited | Wholesale & retail | 2025 |
| ASK Fabrications Limited | Manufacturing | 2009 |
| ASK Installations Limited | Construction | 2018 |
| ASK Investments Fund (Grand Island) Limited Partnership | | 2006 |
| ASK Lawyers Ltd | Professional & scientific | 2008 |
| ASK MA Ltd | Wholesale & retail | 2026 |
| ASK MCR 1 Ltd | Hospitality | 2020 |
| ASK MCR Ltd | Real estate | 2019 |
| ASK MUM Ltd | Real estate | 2021 |
| ASK Patrizia (GQ) LLP | | 2016 |
| ASK Pharma Ltd | Wholesale & retail | 2022 |
| ASK Security Services Ltd | Administrative & support | 2025 |
| ASK Skin Aesthetics Ltd | Other services | 2023 |
| ASK Skin Ltd | Health & social care | 2018 |
| ASK T Limited | Professional & scientific | 2017 |
| ASK Two Birds Ltd | Hospitality | 2023 |
| ASK Ventures Limited | Other services | 2010 |
| ASK Vision Limited | Wholesale & retail | 2025 |
| Askah Holding Limited | Financial services | 2025 |
| Askam Construction Limited | Construction | 1986 |
| Askja Limited | Information & communication | 2016 |
| Asksmc Engineering Consultancy Limited | Professional & scientific | 2024 |
| ASL AL Rujba Company Ltd | Wholesale & retail | 2025 |
| ASL Cosmetics Ltd | Other services | 2025 |
| ASL Global Ventures Ltd | Wholesale & retail | 2025 |
| ASL Mortgages and Protection Ltd | Financial services | 2019 |
| Asla Store Limited | Wholesale & retail | 2024 |
| Aslam Estates Ltd | Real estate | 2017 |
| Aslam Property Ltd | Households | 2016 |
| Aslam Traders Ltd | Wholesale & retail | 2025 |
| Aslan Academy Ltd | Education | 2025 |
| Aslan Paramount Ltd | Transport & logistics | 2025 |
| Aslayn Group Ltd | Information & communication | 2022 |
| Asli Lahori Dera Ltd | Hospitality | 2023 |
| Asliving UK Ltd | Wholesale & retail | 2024 |
| Asliving Wellness Ltd | Wholesale & retail | 2024 |
| Asls (UK) Ltd | Health & social care | 2014 |
| ASM (Accessories) Limited | Manufacturing | 1962 |
| ASM Bolton Ltd | Hospitality | 2026 |
| ASM Events Ltd | Extraterritorial | 2022 |
| ASM Medic Ltd | Health & social care | 2015 |
| ASM Reporting Ltd | Professional & scientific | 2018 |
| ASM Rigging Ltd | Information & communication | 2019 |
| ASM Sales Limited | Arts & recreation | 2008 |
| Asmaar Global Goods Ltd | Wholesale & retail | 2025 |
| Asmat Shah Properties Ltd | Real estate | 2017 |
| Asmera 25 Ltd | Wholesale & retail | 2025 |
| Asmhomes Ltd | Real estate | 2025 |
| Asms Trading Limited | Wholesale & retail | 2023 |
| ASN Builds Ltd | Construction | 2026 |
| ASN Fabrications Ltd | Manufacturing | 2023 |
| ASN Mobiles Ltd | Wholesale & retail | 2024 |
| Asna Salahuddin Couture Ltd | Wholesale & retail | 2025 |
| Aso&Co Ltd | Health & social care | 2022 |
| Asoz Holding Limited | Financial services | 2025 |
| ASP Events Limited | Arts & recreation | 2019 |
| Aspa Labs Ltd | Manufacturing | 2026 |
| Aspect Fire Solutions Ltd | Construction | 2006 |
| Aspect Flooring (NW) Limited | Construction | 2022 |
| Aspect Market Research Limited | Professional & scientific | 1996 |
| Aspect Residential Ltd | Professional & scientific | 2023 |
| Aspectready Property Management Limited | Real estate | 1998 |
| Aspen Wave Investment Partners Ltd | Extraterritorial | 2026 |
| Aspenhawk Limited | Real estate | 2015 |
| Aspenisle Limited | Real estate | 2018 |
| Aspentech Solutions Limited | Information & communication | 2025 |
| Aspin Engineering Limited | Manufacturing | 1984 |
| Aspin Entertainments Ltd | Hospitality | 2019 |
| Aspin FM Ltd | Administrative & support | 2021 |
| Aspinall and Co Bespoke Cabinetry Limited | Manufacturing | 2025 |
| Aspinall Bespoke Ltd | Manufacturing | 2021 |
| Aspington Ltd | Other services | 2008 |
| Aspiraone Ltd | Wholesale & retail | 2025 |
| Aspiration House Limited | Health & social care | 2019 |
| Aspire (Oldham) Limited | Education | 2018 |
| Aspire 180 CIC | Health & social care | 2025 |
| Aspire Asset Finance Limited | Financial services | 2015 |
| Aspire Asset Holdings Limited | Education | 2018 |
| Aspire Beauty Treatment Ltd | Health & social care | 2025 |
| Aspire Bridge Academy Ltd | Health & social care | 2025 |
| Aspire Business Limited | Wholesale & retail | 2025 |
| Aspire Church | Other services | 1999 |
| Aspire Consulting Group Limited | Administrative & support | 2020 |
| Aspire Educational Services Limited | Education | 2016 |
| Aspire Family Assessment Services Ltd | Health & social care | 2021 |