| ABS Rental Ltd | Wholesale & retail | 2025 |
| ABS Speedtrans UK Ltd | Energy | 2007 |
| ABS Store UK Limited | Wholesale & retail | 2024 |
| ABS Support Housing Limited | Real estate | 2024 |
| Absaar Corporation Ltd | Wholesale & retail | 2023 |
| Absal Ltd. | Transport & logistics | 2021 |
| Absbat Limited | Health & social care | 2007 |
| Abshir Fars Limited | Hospitality | 2021 |
| Absj Limited | Real estate | 2024 |
| Absolute Building and Maintenance Limited | Construction | 2011 |
| Absolute Care Holdings Ltd | Financial services | 2026 |
| Absolute CNC Ltd | Manufacturing | 2010 |
| Absolute Discretion Stock Solutions Limited | Wholesale & retail | 2005 |
| Absolute Driveways Ltd | Construction | 2012 |
| Absolute Electrical & Renewables Limited | Construction | 2014 |
| Absolute Engineer Limited | Construction | 2017 |
| Absolute Group Holdings UK Limited | Financial services | 2016 |
| Absolute Industrial Recruitment Ltd | Administrative & support | 2021 |
| Absolute Interpreting & Translations Limited | Administrative & support | 2007 |
| Absolute Interpreting and Translations Group Ltd | Administrative & support | 2014 |
| Absolute LED Solutions Ltd | Wholesale & retail | 2023 |
| Absolute Plumbing & Heating Ltd | Construction | 2018 |
| Absolute Property Services Ltd | Construction | 2017 |
| Absolute Renovations & Construction Ltd | Other services | 2022 |
| Absolute Roof Tiling Ltd | Construction | 2019 |
| Absolute Roofing Solutions Limited | Construction | 2013 |
| Absolute Scaffold Limited | Administrative & support | 2013 |
| Absolute UK Software Company Limited | Extraterritorial | 2015 |
| Absolute Waterproofing Limited | Construction | 2019 |
| Absolutely Fabulous Tanning Ltd | Other services | 2018 |
| Abstract Innovation Ltd | Information & communication | 2022 |
| Abstract Partners Limited | Extraterritorial | 2012 |
| Abstract Renovate Ltd | Administrative & support | 2017 |
| Abstrakt Direct Limited | Professional & scientific | 1995 |
| Absuelutely Scrumptious Ltd | Manufacturing | 2023 |
| ABT Britain Limited | Professional & scientific | 2017 |
| Abtahi Counselling Ltd | Health & social care | 2024 |
| Abtas Services Limited | Administrative & support | 2019 |
| ABU & ABU Accountants Limited | Professional & scientific | 2011 |
| ABU Cars Ltd | Wholesale & retail | 2021 |
| ABU Dhabi Lounge Ltd | Hospitality | 2025 |
| ABU Exchange Ltd | Financial services | 2019 |
| ABU Hannah Limited | Public administration | 2025 |
| ABU Nowshed Centre Limited | Real estate | 2022 |
| ABU Renovations Ltd | Construction | 2019 |
| ABU Salah Ltd | Wholesale & retail | 2024 |
| ABU Sina Healthcare Limited | Health & social care | 2017 |
| ABU Transport Limited | Transport & logistics | 2018 |
| ABU Travel and Tourism Ltd | Administrative & support | 2024 |
| ABU WAD Supermarket Ltd | Wholesale & retail | 2022 |
| Abucore Technologies Ltd | Wholesale & retail | 2025 |
| Abudhabi Building Contracting UK Limited | Construction | 2019 |
| Abuhalima Juice Limited | Wholesale & retail | 2025 |
| Abuja Premium Developments Limited | Construction | 2022 |
| Abundantly Moore Limited | Other services | 2014 |
| Abussi Limited | Information & communication | 1995 |
| Abuyaqub Ltd | Wholesale & retail | 2024 |
| ABV Pharma Ltd | Wholesale & retail | 2025 |
| ABW Legal Services Ltd | Professional & scientific | 2025 |
| Abwhitz Ltd | Construction | 2025 |
| ABX Couriers Ltd | Transport & logistics | 2017 |
| Abyaan Trading UK Limited | Wholesale & retail | 2018 |
| Abyssinia Cargo Service Limited | Transport & logistics | 2024 |
| Abyssinia International Consulting (AIC) Ltd | Professional & scientific | 2020 |
| ABZ Accommodation Ltd | Hospitality | 2024 |
| ABZ Bargains Ltd | Wholesale & retail | 2018 |
| ABZ Dental Care Limited | Health & social care | 2013 |
| ABZ Housing Solutions Ltd | Real estate | 2022 |
| ABZ Jalil Ltd | Professional & scientific | 2016 |
| ABZ Property (B'Ham) Limited | Real estate | 2025 |
| ABZ Recovery Services Ltd | Wholesale & retail | 2020 |
| ABZINO20 Ltd | Transport & logistics | 2025 |
| AC & LI Professional Services Limited | Information & communication | 2025 |
| AC 18 Properties Ltd | Real estate | 2025 |
| AC Auto Ltd | Administrative & support | 2022 |
| AC Builders Group Limited | Construction | 2025 |
| AC Building Services Limited | Energy | 2014 |
| AC Business Consulting Limited | Professional & scientific | 2019 |
| AC CAD Ltd | Professional & scientific | 2018 |
| AC Courier Service Ltd | Transport & logistics | 2022 |
| AC Facade Services Ltd | Construction | 2026 |
| AC Facilities Management Services Limited | Professional & scientific | 2021 |
| AC Finance and Bookkeeping Ltd | Professional & scientific | 2025 |
| AC Furniture Limited | Manufacturing | 1996 |
| AC Gardner Limited | Health & social care | 2011 |
| AC General Group Ltd | Transport & logistics | 2026 |
| AC Heating & Plumbing Services Ltd | Construction | 2023 |
| AC Housing Ltd | Real estate | 2022 |
| AC Installation Ltd | Construction | 2022 |
| AC Investments Group Limited | Real estate | 2024 |
| AC Legal Solutions Limited | Professional & scientific | 2022 |
| AC Mate Ltd | Construction | 2025 |
| AC Services 21 Ltd | Transport & logistics | 2024 |
| AC Support Services Ltd | Administrative & support | 2025 |
| AC Worcester Limited | Hospitality | 2019 |
| Ac-Refrigerations & Building Services Ltd | Construction | 2022 |
| Ac/Vg Limited | Information & communication | 2016 |
| AC3 Motors Limited | Wholesale & retail | 2025 |
| ACA Cleaning Services Ltd | Administrative & support | 2021 |
| ACA Residential Ltd | Real estate | 2025 |