| ABF Design and Consultancy Ltd | Professional & scientific | 2025 |
| ABF Roofing & Building Services Ltd | Construction | 2015 |
| ABH Construction Ltd | Construction | 2016 |
| ABI 23 Ltd | Real estate | 2021 |
| ABI Convenient Limited | Wholesale & retail | 2024 |
| ABI Mini Mart One Ltd | Wholesale & retail | 2014 |
| ABI Property and Developments Limited | Real estate | 2019 |
| ABI Property Ltd | Real estate | 2020 |
| Abid 786 Ltd | Wholesale & retail | 2025 |
| Abid Social Ltd | Professional & scientific | 2025 |
| Abide Solutions Ltd | Administrative & support | 2023 |
| Ability Hotels (Liverpool Plaza) Limited | Real estate | 2014 |
| Abirdcontracts Ltd | Financial services | 2018 |
| Abiron Property Investment Ltd | Real estate | 2024 |
| Abisri Limited | Wholesale & retail | 2024 |
| Abivia Ltd | Construction | 2025 |
| ABJ Developments Ltd | Construction | 2024 |
| Abjak Ltd | Information & communication | 2022 |
| ABK Pizza Ltd | Hospitality | 2025 |
| ABL Risk Management Limited | Administrative & support | 2016 |
| Ablchair Limited | Other services | 2021 |
| Able & Together Merseyside C.I.C. | Other services | 2026 |
| Able Carers London Ltd | Administrative & support | 2022 |
| Able Couriers (Merseyside) Ltd | Transport & logistics | 2026 |
| Able Property Maintenance (Liverpool) Limited | Construction | 2011 |
| Able Training (Northern) Limited | Education | 2011 |
| Able Transport (Merseyside) Ltd | Transport & logistics | 2026 |
| Abletu Limited | Manufacturing | 2024 |
| Abley Ltd. | Professional & scientific | 1994 |
| ABM Computers Limited | Information & communication | 2008 |
| ABM Developments Limited | Real estate | 2020 |
| ABM Food Ltd | Wholesale & retail | 2018 |
| ABM Pubs Ltd | Hospitality | 2021 |
| ABM Telecoms Ltd | Information & communication | 2022 |
| ABO Ahmed Ltd | Hospitality | 2021 |
| ABO ALI Ltd | Hospitality | 2020 |
| ABO Hassan Properties Ltd | Real estate | 2025 |
| ABO Properties Limited | Hospitality | 2025 |
| Abode Guild Limited | Real estate | 2025 |
| Aboria Capital Limited | Real estate | 2024 |
| About Time Property Investments Ltd. | Real estate | 2024 |
| Above & Beyond Properties Ltd | Real estate | 2019 |
| Above Access Limited | Construction | 2023 |
| Above ALL Suspended Ceilings Ltd | Construction | 2021 |
| Above and Beyond Residential Care Services Ltd | Health & social care | 2023 |
| Above the Noise Ltd | Public administration | 2021 |
| Aboyjay Ltd | Health & social care | 2024 |
| Abpi Limited | Other services | 2023 |
| ABQ Lemmings Ltd | Professional & scientific | 2021 |
| Abraham & Sons Lawyers and Consultants Ltd | Professional & scientific | 2024 |
| Abrams Investments Ltd | Financial services | 2023 |
| Abrar News and Wine Ltd | Wholesale & retail | 2025 |
| Abrasives & Screw Products Limited | Wholesale & retail | 1975 |
| Abrason Limited | Financial services | 2018 |
| Abreng Solution Ltd | Information & communication | 2022 |
| Abrey Construction Limited | Construction | 2018 |
| ABS & Co Accountants Ltd | Professional & scientific | 2025 |
| ABS Auto Repair Centre Ltd | Wholesale & retail | 2026 |
| ABS BP London Ltd | Arts & recreation | 2022 |
| ABS Cargos Ltd | Transport & logistics | 2024 |
| ABS City Ltd | Arts & recreation | 2025 |
| ABS Global Foundation CIC | Wholesale & retail | 2024 |
| ABS Global Miracle Ltd | Wholesale & retail | 2024 |
| ABS Life Ltd | Health & social care | 2017 |
| ABS Nutrition Ltd | Arts & recreation | 2021 |
| ABS Online PT Ltd | Arts & recreation | 2021 |
| ABS Wirral Ltd | Arts & recreation | 2021 |
| ABS1 Ltd | Arts & recreation | 2020 |
| ABS3 Ltd | Arts & recreation | 2024 |
| Absarb Securities Ltd | Professional & scientific | 2017 |
| Absi for Retail Ltd | Wholesale & retail | 2025 |
| Absolute Aesthetics Clinic Limited | Other services | 2016 |
| Absolute Blinds and Floorings Limited | Manufacturing | 2014 |
| Absolute Body Solutions Limited | Arts & recreation | 2017 |
| Absolute Body Solutions Manchester City Centre Limited | Arts & recreation | 2018 |
| Absolute Care (NW) Ltd | Health & social care | 2012 |
| Absolute Decor Solutions Limited | Construction | 2019 |
| Absolute Education Recruitment Limited | Administrative & support | 2017 |
| Absolute Lighting & Events Ltd. | Arts & recreation | 2006 |
| Absolute Mortgage Solutions Ltd | Financial services | 2006 |
| Absolute Murder Limited | Extraterritorial | 2005 |
| Absolute Procure Limited | Other services | 2023 |
| Absolute Rail Ltd | Construction | 2023 |
| Absolute Services Group Ltd | Professional & scientific | 2018 |
| Absolute Solutions Limited | Construction | 2008 |
| Absolute Training Solutions Ltd | Education | 2009 |
| Absolutely Floorless (NW) Limited | Construction | 2022 |
| Abss Group Ltd | Financial services | 2023 |
| Abss Holdings Limited | Financial services | 2025 |
| Abst Services Ltd | Education | 2024 |
| Abstract Microcement Ltd | Real estate | 2024 |
| Abstract Venetian Plastering Ltd | Construction | 2021 |
| ABT Collections Limited | Administrative & support | 2019 |
| ABU Abdulla UK Ltd | Other services | 2025 |
| Abundantia Care Limited | Health & social care | 2018 |
| Abundia Global Impact Group (UK) Ltd | Manufacturing | 2023 |
| ABW Architects Limited | Professional & scientific | 2008 |
| ABW Investment Group Ltd | Financial services | 2020 |
| Abzz Limited | Professional & scientific | 2019 |
| AC Brickwork Ltd | Construction | 2025 |