| Alek Trade Ltd | Wholesale & retail | 2026 |
| Alep Ltd | Arts & recreation | 2025 |
| Alex Drycleaners Kewrd Ltd | Other services | 2025 |
| Alex Group Does Ltd | Construction | 2025 |
| Alex Peck Group Ltd. | Professional & scientific | 2019 |
| Alexey Cheung Limited | Wholesale & retail | 2025 |
| Alfa Telecom Limited | Wholesale & retail | 2021 |
| Alfagate Limited | Wholesale & retail | 2024 |
| Alfredi Ltd | Real estate | 2025 |
| Algo Trade Profits Limited | Information & communication | 2026 |
| Algol Consulting Ltd | Information & communication | 2025 |
| Algoryn Ltd | Information & communication | 2025 |
| Algorythyme Ltd | Information & communication | 2025 |
| Algrowithm UK Ltd | Information & communication | 2024 |
| Align Networks Group Ltd | Administrative & support | 2024 |
| Align OPS Ltd | Information & communication | 2024 |
| Aligned Hub Limited | Wholesale & retail | 2024 |
| Alimio Ltd | Information & communication | 2025 |
| Alisha John Ltd | Wholesale & retail | 2026 |
| ALK Enforcement Ltd | Administrative & support | 2023 |
| Alkhabaz Ltd | Wholesale & retail | 2024 |
| Alkytec Ltd | Manufacturing | 2020 |
| ALL Design Driveways Ltd | Construction | 2024 |
| ALL Good Planned Limited | Wholesale & retail | 2024 |
| ALL Leak Detection Limited | Administrative & support | 2024 |
| ALL Maintenance & Cleaning Limited | Administrative & support | 2024 |
| ALL Plane 31 Ltd | Manufacturing | 2024 |
| ALL Seasons Management Limited | Professional & scientific | 2024 |
| All-Bridge Group Limited | Wholesale & retail | 2026 |
| ALL4CHRIST Clothing Ltd | Wholesale & retail | 2026 |
| ALL4SWIM Limited | Wholesale & retail | 2024 |
| Allard Home Improvements Ltd | Construction | 2025 |
| Allbyte Ltd | Wholesale & retail | 2018 |
| Allegro Industrial Planning Ltd | Financial services | 2024 |
| Allin Logistics Ltd | Transport & logistics | 2025 |
| Alloyed Wholesale Limited | Wholesale & retail | 2026 |
| Allsopp Clothing Ltd | Wholesale & retail | 2025 |
| Alma Consulting Ltd | Professional & scientific | 2026 |
| Alma Norte Ltd | Manufacturing | 2026 |
| Alma Seafoods Ltd | Wholesale & retail | 2025 |
| Almadina Modern International Ltd | Wholesale & retail | 2025 |
| Almendio Ltd | Information & communication | 2021 |
| Aloeth Advisory Limited | Professional & scientific | 2026 |
| Aloti Ltd | Wholesale & retail | 2025 |
| Alpaca International Ltd | Information & communication | 2020 |
| Alpaka Investments Limited | Real estate | 2023 |
| Alpha CRE8IONS Ltd | Wholesale & retail | 2024 |
| Alphaa Healthcare Ltd | Extraterritorial | 2023 |
| Alphabright International Ltd | Wholesale & retail | 2025 |
| Alphacty LLP | | 2021 |
| Alphamax Logistics Limited | Transport & logistics | 2024 |
| Alpiko Yachting Ltd | Professional & scientific | 2026 |
| Alpnhaus Limited | Wholesale & retail | 2002 |
| Alsamarrai Ltd | Information & communication | 2023 |
| Alshot Global Ltd | Transport & logistics | 2020 |
| Altitude Technologies Ltd | Wholesale & retail | 2025 |
| Altkuz Climate Renewables LLC Ltd | Manufacturing | 2024 |
| Altkuznets Sustainability Advisors PVT Ltd | Professional & scientific | 2025 |
| Alto Property Group Ltd | Real estate | 2026 |
| Altura Commerce Ltd | Wholesale & retail | 2026 |
| Aluminium Added Services Ltd | Wholesale & retail | 2025 |
| Alumni Holdings Limited | Real estate | 2024 |
| Alun Walsh Limited | Professional & scientific | 2011 |
| Aluxè Naturals Ltd | Wholesale & retail | 2026 |
| Alverix Ltd | Wholesale & retail | 2026 |
| Alveronix Limited | Wholesale & retail | 2026 |
| Alvexa Ltd | Wholesale & retail | 2026 |
| Alvin Prosperity Ltd | Wholesale & retail | 2024 |
| Alwin Education Limited | Information & communication | 2026 |
| ALX Vision Company Ltd | Wholesale & retail | 2025 |
| AM Group (N) Limited | Real estate | 2024 |
| AM Media and Commerce Limited | Information & communication | 2022 |
| AM Store Ltd | Wholesale & retail | 2026 |
| AMA Online Ltd | Wholesale & retail | 2004 |
| Amakey Assessments Ltd | Health & social care | 2025 |
| Amanda DA Silva Consulting Ltd | Professional & scientific | 2024 |
| Amari Studios Ltd | Wholesale & retail | 2026 |
| Amaroq Skis Ltd | Manufacturing | 2026 |
| Amasis Development Ltd | Professional & scientific | 2019 |
| Amastarike Ltd | Arts & recreation | 2025 |
| Amazake Ltd | Wholesale & retail | 2026 |
| Amazetrade Ltd | Wholesale & retail | 2025 |
| AMB Canine Company Ltd | Other services | 2026 |
| Amber Blue Consulting Ltd | Information & communication | 2023 |
| Amber Moors Properties Ltd | Real estate | 2026 |
| Amberworth Ltd | Wholesale & retail | 2026 |
| Ambition 45 Films Ltd | Information & communication | 2026 |
| Ambition Health Group Ltd | Health & social care | 2026 |
| Ambition Institude Limited | Wholesale & retail | 2020 |
| Ambreen & Sarmad Limited | Health & social care | 2017 |
| Ambrose Oaks Ltd | Professional & scientific | 2022 |
| AMC Property Services Ltd | Real estate | 2024 |
| Amcotts Property Holdings Ltd | Real estate | 2025 |
| Amed Design & Print Ltd | Manufacturing | 2020 |
| Amenta Studio Ltd | Manufacturing | 2025 |
| Amenys Limited | Wholesale & retail | 2019 |
| American Mobile Resources (Worldwide) Limited | Information & communication | 2015 |
| Americancandystores Limited | Wholesale & retail | 2019 |
| Ametist Global Ltd | Wholesale & retail | 2023 |
| AMF World Limited | Arts & recreation | 2019 |