| ABC Real Estate Kuwait Limited | Construction | 2022 |
| ABC Secretaries Limited | Administrative & support | 2001 |
| ABC Tutors Ltd | Education | 2016 |
| Abc-Xyz Building Services Ltd | Other services | 2024 |
| Abdi Limited | Information & communication | 2024 |
| Abdi Transport Ltd | Transport & logistics | 2026 |
| Abervino Limited | Professional & scientific | 2014 |
| Abingdon Road Flowers Ltd | Wholesale & retail | 2023 |
| Abishka Ltd | Wholesale & retail | 2023 |
| Abismail Healthcare Ltd | Health & social care | 2024 |
| ABL Properties Edgware Ltd | Real estate | 2024 |
| ABL YN Properties Ltd | Real estate | 2025 |
| ABM International Food Mart Ltd | Wholesale & retail | 2025 |
| Abmt Limited | Real estate | 2026 |
| Abraham Accords (UK) | Education | 2021 |
| Abraham Pants Limited | Professional & scientific | 2022 |
| Abrahams Electrical Ltd | Construction | 2016 |
| ABS Building Ltd | Construction | 2017 |
| ABX Retail Ltd | Wholesale & retail | 2024 |
| ABY Building Ltd | Construction | 2026 |
| ABY Trans Limited | Transport & logistics | 2016 |
| AC Childcare Ltd | Health & social care | 2026 |
| Acacia Private Investments Ltd | Professional & scientific | 2017 |
| Academy of Management Limited | Transport & logistics | 2013 |
| Acat Group Ltd | Financial services | 2021 |
| Accelerated Finance Ltd. | Financial services | 2018 |
| Accompany Travel Limited | Administrative & support | 2018 |
| Accountancy Experts Limited | Professional & scientific | 1997 |
| Accountax 2000 Ltd | Professional & scientific | 1997 |
| Accounting Excellence Limited | Professional & scientific | 2011 |
| Accounts IV Less Limited | Professional & scientific | 2010 |
| Accounztax Ltd | Professional & scientific | 2020 |
| ACD Railway Limited | Construction | 2018 |
| Ace 13 Ltd | Real estate | 2019 |
| Ace African Fabrics Ltd | Wholesale & retail | 2021 |
| Ace Alfa Construction Ltd | Construction | 2021 |
| Ace Asset Management Limited | Real estate | 2025 |
| Ace Construct Limited | Construction | 2025 |
| Ace Filmworks Ltd | Information & communication | 2022 |
| Ace Lettings Ltd | Real estate | 2002 |
| Ace Slope Building Ltd | Construction | 2021 |
| Ace Vehicle Deliveries Limited | Transport & logistics | 2017 |
| Ace Vitamins Ltd | Health & social care | 2023 |
| Acefield Supplies Ltd | Wholesale & retail | 2020 |
| Acegate Healthcare Limited | Health & social care | 2005 |
| Acel Properties Ltd | Extraterritorial | 2016 |
| Acestar Consultants Limited | Real estate | 1996 |
| Achuta Services Ltd | Transport & logistics | 2019 |
| Achuza Properties Ltd | Real estate | 2021 |
| Achyutam Investments Ltd | Information & communication | 2023 |
| ACM Group Ltd | Arts & recreation | 2024 |
| Acpc Mechanical Services Ltd | Construction | 2026 |
| Acquamarine Ltd | Information & communication | 2020 |
| Acquire Consulting Ltd | Wholesale & retail | 2016 |
| Acss Properties Limited | Real estate | 2021 |
| ACT 2 Give | Education | 2009 |
| Actihealth Ltd | Wholesale & retail | 2019 |
| Actikid Ltd | Health & social care | 2015 |
| Actimus Solution Ltd | Construction | 2023 |
| Action 99 Cars Ltd | Professional & scientific | 2010 |
| Active Physio Works Limited | Health & social care | 2006 |
| Acton Handyman Services Ltd | Construction | 2023 |
| Actorsgarden Limited | Administrative & support | 2017 |
| Actsev & Associates Limited | Financial services | 2012 |
| Acura Construction Limited | Real estate | 2015 |
| Acura Consultancy Limited | Information & communication | 2014 |
| AD Astra Agency Limited | Information & communication | 2023 |
| ADA Cleaning Ltd | Administrative & support | 2026 |
| Adam Boxer Education Ltd | Education | 2025 |
| Adam Estates (London) Ltd | Real estate | 2019 |
| Adamdima Ltd | Health & social care | 2021 |
| Adams Antiques Fairs Limited | Administrative & support | 2002 |
| Adani Ecopack Ltd | Wholesale & retail | 2022 |
| Adarsh Engineering Limited | Administrative & support | 2011 |
| Adcock Stanton Limited | Manufacturing | 2023 |
| Addo Arts Limited | Extraterritorial | 2014 |
| ADE Hair Salon Ltd | Other services | 2026 |
| Adel MMT Limited | Households | 2025 |
| Adel Osanu Ltd | Construction | 2014 |
| Adelmara Limited | Professional & scientific | 2022 |
| Adelphi Care Limited | Real estate | 2023 |
| Adelphi Care Services Limited | Health & social care | 2024 |
| Adelphi Orthodontics Limited | Manufacturing | 1998 |
| Adem Atoll Limited | Construction | 2025 |
| Adhav Limited | Wholesale & retail | 2022 |
| Adhav Properties Ltd | Real estate | 2024 |
| Adhavan Ltd | Wholesale & retail | 2015 |
| Adhavan Retail Ltd | Wholesale & retail | 2020 |
| ADI Style Ltd | Other services | 2025 |
| Adia Internet & Mobile Ltd | Wholesale & retail | 2023 |
| Adin Software Limited | Information & communication | 2003 |
| Adina Cleaning Limited | Administrative & support | 2025 |
| Adina Makeup Beauty Limited | Other services | 2025 |
| Adion Builders Ltd | Construction | 2022 |
| Adios Property Ltd | Real estate | 2021 |
| Adiver Limited | Wholesale & retail | 2018 |
| Admire Group Ltd | Water & waste | 2020 |
| Adok Investments Ltd | Financial services | 2025 |
| Adonai Capital Limited | Financial services | 2017 |
| ADR General Solutions Ltd | Construction | 2025 |