| Accountants That Care Limited | Professional & scientific | 2003 |
| Accrington & District Golf Club Limited | Arts & recreation | 1933 |
| Accrington & District Golf Club Services Ltd | Arts & recreation | 2016 |
| Accrington Aerials Ltd | Administrative & support | 2017 |
| Accrington Baby Centre Limited | Wholesale & retail | 2012 |
| Accrington Bartres Shop Ltd | Wholesale & retail | 2021 |
| Accrington Beetles and Campers Limited | Wholesale & retail | 2018 |
| Accrington Big Discount Store Ltd | Wholesale & retail | 2024 |
| Accrington Celestial Shop Ltd | Wholesale & retail | 2022 |
| Accrington Container Storage (AR) Ltd | Administrative & support | 2019 |
| Accrington Container Storage Limited | Administrative & support | 2017 |
| Accrington Grinding Company Limited | Manufacturing | 2000 |
| Accrington Health Suite Ltd | Health & social care | 2023 |
| Accrington Heritage Shop Limited | Wholesale & retail | 2012 |
| Accrington Lions Community Boxing Club C.I.C. | Arts & recreation | 2019 |
| Accrington Masonic Hall Limited | Hospitality | 2025 |
| Accrington Plaza Ltd | Hospitality | 2024 |
| Accrington Private Hire Limited | Other services | 2004 |
| Accrington ST Christopher's Church of England High School | Education | 2011 |
| Accrington Stanley Football in the Community Trust Limited | Arts & recreation | 2010 |
| Accrington Stanley Women Football Club Ltd | Arts & recreation | 2021 |
| Accrington Star Limited | Hospitality | 2024 |
| Accrington Super Market Ltd | Wholesale & retail | 2024 |
| Accrington Travel Ltd | Transport & logistics | 2023 |
| Accumore Limited | Real estate | 2021 |
| Accumore Mobility Limited | Manufacturing | 2020 |
| Accy Catering Ltd | Hospitality | 2023 |
| Accy Foods Ltd | Hospitality | 2025 |
| Accy Trading Ltd | Wholesale & retail | 2024 |
| Accybar Ltd | Hospitality | 2026 |
| Accybjj.Ltd Limited | Health & social care | 2020 |
| ACD Commercial Properties Limited | Real estate | 2010 |
| ACD of Lancashire Limited | Water & waste | 2010 |
| ACD Property Rentals Limited | Real estate | 2010 |
| Ace & Co. Investors Ltd | Wholesale & retail | 2025 |
| Ace Prestige Rentals Ltd | Wholesale & retail | 2022 |
| Ace Sport Performance Ltd | Wholesale & retail | 2019 |
| Acklam Bond Limited | Professional & scientific | 2016 |
| Acorn Media Limited | Information & communication | 2023 |
| Acorn Mini Market Ltd | Wholesale & retail | 2026 |
| Acorn MOT Centre Limited | Wholesale & retail | 2016 |
| Acorn Pharmacy (Garstang) Limited | Wholesale & retail | 2025 |
| Acorn Pharmacy Accrington Ltd | Wholesale & retail | 2018 |
| Acorn Trading Inc Ltd | Wholesale & retail | 2021 |
| Acquestra (NW6) Ltd | Construction | 2018 |
| Acquitae Ltd | Professional & scientific | 2022 |
| Action Mailing Ltd | Manufacturing | 1997 |
| Active Cleaning and Maintenance Limited | Administrative & support | 2002 |
| Active Developments (NW) Limited | Real estate | 2022 |
| Active Roofcare Ltd | Construction | 2026 |
| Acutek Limited | Manufacturing | 2014 |
| Acutools Limited | Manufacturing | 2014 |
| AD Roofing and Guttering Ltd | Construction | 2024 |
| Adam Performance Ltd | Wholesale & retail | 2024 |
| Adam Private Hire Ltd | Transport & logistics | 2018 |
| Adele Dixon Ltd | Real estate | 2020 |
| ADL Heating Management Ltd | Other services | 2021 |
| ADM (Property Investments) Limited | Real estate | 2005 |
| ADM (Solutions) Limited | Manufacturing | 2003 |
| Admagnetics Limited | Extraterritorial | 2007 |
| Adsec Ltd | Administrative & support | 2021 |
| Adsimpson Electrical Ltd. | Construction | 2016 |
| Advanced Fire & Security Ltd | Administrative & support | 2019 |
| Advanced Performance Tuning Limited | Wholesale & retail | 2015 |
| Adventure Hyndburn Ltd | Public administration | 2002 |
| Adventure Private Transport Ltd | Transport & logistics | 2020 |
| Advocacy Focus | Health & social care | 2001 |
| Aegt Consultancy Ltd | Wholesale & retail | 2022 |
| Aesyros Ltd | Information & communication | 2025 |
| AF Motors Limited | Wholesale & retail | 2024 |
| Affilius Limited | Information & communication | 2013 |
| Affinity Supporting People | Health & social care | 2009 |
| Affinity Supporting People (South) Limited | Health & social care | 2001 |
| Agile Direction Consulting Ltd | Information & communication | 2017 |
| Ah-Power Ltd | Wholesale & retail | 2022 |
| AHM Education Ltd | Education | 2024 |
| AI Automated Accounting & Strategic Consultancy Ltd | Education | 2018 |
| AI Growth Agency Ltd | Information & communication | 2004 |
| AI NW Ltd | Hospitality | 2025 |
| Aimprize Limited | | 1989 |
| Aipos Restaurant Ltd | Information & communication | 2025 |
| Airborne Education Ltd | Education | 2024 |
| AJ Forever Autumn Limited | Hospitality | 2024 |
| AJ Legal Advisory Ltd | Other services | 2019 |
| AJ Pubs Ltd | Hospitality | 2016 |
| AJE Removals Ltd | Transport & logistics | 2017 |
| Ajip Ltd | Real estate | 2024 |
| AJM Patterns Ltd | Professional & scientific | 2019 |
| Ajosman Ltd | Hospitality | 2025 |
| AK Saeed Ltd | Wholesale & retail | 2024 |
| Akash Lancashire Ltd | Hospitality | 2023 |
| Akington Estates Ltd | Real estate | 2024 |
| Aksons Group Ltd | Professional & scientific | 2019 |
| Akuturn Limited | Manufacturing | 2014 |
| AKY Snuggle Beds UK Ltd | Manufacturing | 2016 |
| AL Noor Market Ltd | Wholesale & retail | 2026 |
| Al-Hamza Event Management Ltd | Professional & scientific | 2022 |
| Al-Hamza Ltd | Real estate | 2015 |
| Al-Syed Travel & Tours Ltd | Administrative & support | 2015 |
| Alan Car Wash Ltd | Administrative & support | 2025 |