| Active Solutions Group Limited | Financial services | 2020 |
| Active Sport Centre Limited | Arts & recreation | 2014 |
| Active Sports Group INT Limited | Education | 2005 |
| Active Therapy Development Limited | Education | 2017 |
| Active Therapy Foundation | Health & social care | 2015 |
| Active TT Schooling Ltd | Education | 2012 |
| Active Venture Official Ltd | Wholesale & retail | 2024 |
| Activedesk Limited | Manufacturing | 2021 |
| Activelab Limited | Information & communication | 2007 |
| Activerun Ltd | Health & social care | 2017 |
| Activity Care Ltd | Health & social care | 2020 |
| Activity Care NW Ltd | Health & social care | 2026 |
| Activity for ME CIC | Education | 2025 |
| Activity Sports Hub Holdings Ltd | Real estate | 2026 |
| Actman and Mico Limited | Wholesale & retail | 1992 |
| Actua Solutions Ltd | Professional & scientific | 2011 |
| Actuation Valve & Control Limited | Wholesale & retail | 1995 |
| Actuation Valve DOT COM Limited | Wholesale & retail | 2021 |
| Actuation Valve Limited | Wholesale & retail | 2026 |
| Acuma Consulting Limited | Professional & scientific | 2015 |
| Acumen Consultancy Ltd | Professional & scientific | 2014 |
| Acumen Estates Ltd | Real estate | 2006 |
| Acumen Lettings & Property Management Ltd | Real estate | 2010 |
| Acute Conveyancing Ltd | Professional & scientific | 2019 |
| ACW Motors (NW) Ltd | Wholesale & retail | 2025 |
| AD & SP Properties Limited | Real estate | 2024 |
| AD Estates Ltd | Real estate | 2020 |
| AD Hayes Property Management Ltd | Construction | 2025 |
| AD Health Limited | Wholesale & retail | 2010 |
| AD Mini Market Ltd | Wholesale & retail | 2025 |
| AD NDT Ltd | Professional & scientific | 2015 |
| AD Perfumes Limited | Wholesale & retail | 2025 |
| AD Properties (NW) Limited | Construction | 2022 |
| AD Property Capital Ltd | Real estate | 2026 |
| AD Property NW Limited | Real estate | 2026 |
| AD Restaurant (NW) Limited | Hospitality | 2025 |
| AD23 Investments Limited | Real estate | 2024 |
| AD23 Sports Management Ltd | Other services | 2019 |
| ADA Engineers Ltd | Construction | 2022 |
| ADA Lillys Florist Ltd | Wholesale & retail | 2023 |
| Adam & EVE Turkish Bath Ltd | Other services | 2016 |
| Adam Abuhussein Ltd | Hospitality | 2026 |
| Adam Adam Ltd | Hospitality | 2022 |
| Adam Barber Liverpool Ltd | Other services | 2026 |
| Adam Barbershop Liverpool Ltd | Other services | 2025 |
| Adam Brown Dance Company Limited | Arts & recreation | 2017 |
| Adam Butler Limited | Administrative & support | 2006 |
| Adam Carruthers Limited | Health & social care | 2021 |
| Adam Construction Ltd | Construction | 2002 |
| Adam Design (UK) Ltd | Professional & scientific | 2002 |
| Adam Developments (UK) Ltd | Construction | 2002 |
| Adam Haircut Ltd | Other services | 2026 |
| Adam Halal Butchery Liverpool Ltd | Wholesale & retail | 2020 |
| Adam Hung Ltd | Other services | 2020 |
| Adam Innovation Ltd | Wholesale & retail | 2025 |
| Adam Maintenance Services Ltd | Administrative & support | 2023 |
| Adam Okane Limited | Health & social care | 2010 |
| Adam Pizza Childwall Ltd | Hospitality | 2024 |
| Adam Properties (UK) Limited | Construction | 2004 |
| Adam Shop L7 Ltd | Wholesale & retail | 2025 |
| Adam Todd Design Management Limited | Professional & scientific | 2021 |
| Adam Wilson Associates Ltd | Financial services | 2021 |
| Adamans Group Ltd | Wholesale & retail | 2020 |
| Adams & Barrow Ltd | Wholesale & retail | 2011 |
| Adams Accountants Liverpool LLP | | 2020 |
| Adams Lettings Limited | Real estate | 2003 |
| Adams Noodle House Ltd | Hospitality | 2025 |
| Adams O'Rourke Accountants Ltd | Professional & scientific | 2008 |
| Adams Plaster Mouldings Ltd | Manufacturing | 2015 |
| Adams Real Estate (Cheshire) Limited | Real estate | 2014 |
| Adams Restone Limited | Hospitality | 2020 |
| Adams Sales Limited | Real estate | 2004 |
| Adamski Drivers Ltd | Transport & logistics | 2016 |
| Adamson European Ltd | Transport & logistics | 2025 |
| Adamson Financial Limited | Administrative & support | 2005 |
| Adamson Restaurant Ltd | Hospitality | 2026 |
| Adamson Ross WM Ltd | Professional & scientific | 2023 |
| Adamstorm Ltd | Hospitality | 2015 |
| Adamus Transport Limited | Transport & logistics | 2016 |
| Adam’S Retail Group Ltd | Wholesale & retail | 2025 |
| Adana BBQ Ltd | Hospitality | 2020 |
| Adaphin Property Services Limited | Real estate | 2021 |
| Adapt (UK) Safety Consultancy Limited | Professional & scientific | 2024 |
| Adapt (UK) Training Services Limited | Other services | 2008 |
| Adapt Letting Services Ltd | Real estate | 2021 |
| Adapt Outdoors Limited | Wholesale & retail | 2002 |
| Adapt Scaffolding Limited | Construction | 2018 |
| Adapt Training Ltd | Arts & recreation | 2024 |
| Adaptable Recruitment Ltd | Administrative & support | 2022 |
| Adaptcom U.K. Limited | Information & communication | 1998 |
| Adaptiva Limited | Professional & scientific | 2017 |
| Adaptive Design Solutions Limited | Professional & scientific | 2015 |
| ADB Recruitment Solutions Ltd | Administrative & support | 2022 |
| ADC Drums & Percussion Ltd | Wholesale & retail | 2004 |
| ADC Locksmith Liverpool Ltd | Construction | 2024 |
| Adct Ltd | Real estate | 2021 |
| ADD Height Ltd | Construction | 2023 |
| ADD Winehouse Ltd | Wholesale & retail | 2023 |
| Addform Limited | Manufacturing | 2012 |
| Adding Value Consultancy Ltd | Professional & scientific | 2014 |