| Alannah's Cakes & Bakes Ltd | Wholesale & retail | 2023 |
| Alara Coffee Limited | Wholesale & retail | 2023 |
| Albert Tyres UK Limited | Wholesale & retail | 2021 |
| Albie Property Management Ltd | Real estate | 2021 |
| Albion Crest Ltd | Wholesale & retail | 2025 |
| Albiruni Properties Ltd | Real estate | 2025 |
| Aldomi Limited | Professional & scientific | 2017 |
| Alexandru Guta Limited | Transport & logistics | 2024 |
| Algazel Marketing Ltd | Other services | 2023 |
| ALI Foods Store Limited | Hospitality | 2022 |
| Ali's Mini BUS Hire Ltd | Transport & logistics | 2024 |
| ALI101 Ltd | Health & social care | 2019 |
| Alicia Jane & Co Limited | Wholesale & retail | 2021 |
| Alilbitofeverythingltd Ltd | Wholesale & retail | 2025 |
| ALL About Pies Limited | Wholesale & retail | 2011 |
| ALL in 2.0 Limited | Hospitality | 2025 |
| ALL in Fitness Food & Fuel Ltd. | Hospitality | 2023 |
| ALL YOU Knead (Haigh) Limited | Hospitality | 2021 |
| ALL YOU Knead (Whittle) Limited | Hospitality | 2020 |
| ALL YOU Knead Limited | Hospitality | 2019 |
| Allandale Investment Group Ltd | Financial services | 2026 |
| Allandale Property Group Ltd | Construction | 2026 |
| Allermuir Limited | Manufacturing | 1986 |
| Almas Automotive Ltd | Wholesale & retail | 2023 |
| Almas Tyres Ltd | Wholesale & retail | 2023 |
| Aloush Investments Ltd | Administrative & support | 2017 |
| Alpha Buses and Coaches NW Ltd | Transport & logistics | 2023 |
| Alpha Car and Van Hire Limited | Administrative & support | 2010 |
| Alpha Star Home Improvements Ltd | Construction | 2023 |
| ALS Systems Ltd | Construction | 2015 |
| Altham Care Limited | Health & social care | 2001 |
| Altham International Limited | Financial services | 1998 |
| Altham Marine Services Ltd | Manufacturing | 2017 |
| Altham Software Engineering Limited | Information & communication | 2003 |
| Alyco Cleaning Ltd | Administrative & support | 2025 |
| Alyco Services Ltd | Administrative & support | 2025 |
| AM Cardmate Limited | Information & communication | 2025 |
| AM Electronics NW Limited | Wholesale & retail | 2019 |
| AM Properties (Accrington) Ltd | Real estate | 2019 |
| AM Trading Services Ltd | Wholesale & retail | 2026 |
| Amaans Pizza & Grill Ltd | Hospitality | 2025 |
| Amaans Travel NW Ltd | Transport & logistics | 2023 |
| AMB Delights Ltd | Hospitality | 2023 |
| Amicos Store Ltd | Wholesale & retail | 2025 |
| Aminsight Solutions Ltd | Information & communication | 2025 |
| Amplify Support Services Ltd | Professional & scientific | 2025 |
| AMS Tech Haven Limited | Wholesale & retail | 2026 |
| Anchor and Arise CIC | Education | 2025 |
| Anchor Casl North West CIC | Health & social care | 2026 |
| Ando Ltd | Professional & scientific | 2022 |
| Andrew Textile Industries Limited | Manufacturing | 1990 |
| Androu Limited | Hospitality | 2024 |
| Andy Smith Plumbing and Heating Services Ltd | Construction | 2012 |
| Aneesa Hussein Ltd | Wholesale & retail | 2022 |
| Angela Little Advisory Limited | Professional & scientific | 2025 |
| Anglelux Nails Accrington Ltd | Other services | 2026 |
| Anglo Chinese Immigration Ltd | Professional & scientific | 2020 |
| Anglo-Chinese Accommodation Ltd | Hospitality | 2017 |
| Anglo-Chinese Students Services Limited | Other services | 2012 |
| Angsana Moment Ltd | Real estate | 2022 |
| Anne Starkie Limited | Health & social care | 2003 |
| ANS Knitwear Ltd | Administrative & support | 2017 |
| Anthem Engagement Ltd | Information & communication | 2002 |
| Antique Interiors Limited | Wholesale & retail | 2011 |
| Antiques & Retro Ltd | Real estate | 2020 |
| Antonym Cloud Ltd | Information & communication | 2024 |
| Antonym Games Ltd | Information & communication | 2025 |
| Anything Tabletop Ltd | Wholesale & retail | 2025 |
| Apex Intervention Solutions Ltd | Education | 2021 |
| Apex POD Tech Ltd | Wholesale & retail | 2025 |
| Apna TRAD1NG Limited | Wholesale & retail | 2022 |
| Apple House Limited | Health & social care | 2004 |
| Applegarth House Limited | Households | 2004 |
| Approved Roofing & Building Ltd | Construction | 2010 |
| AR Emporium Ltd | Wholesale & retail | 2020 |
| AR Treatment Ltd | Water & waste | 2026 |
| ARC Roak Ltd | Hospitality | 2026 |
| Arcade Motor Company Ltd | Administrative & support | 2017 |
| Arcade Motors (NW) Ltd | Wholesale & retail | 2023 |
| Architectural Fibreglass Mouldings Limited | Manufacturing | 2003 |
| Arjuna's Herb Ltd | Wholesale & retail | 2018 |
| ARK Plastics Limited | Manufacturing | 2005 |
| Armin Convenience Store Ltd | Wholesale & retail | 2026 |
| Aroma Lancs Ltd | Hospitality | 2026 |
| Aroma Ross Ltd | Hospitality | 2024 |
| Aroma Takeaway Golborne Ltd | Hospitality | 2018 |
| Aromatiz Limited | Wholesale & retail | 2021 |
| Aromatize Limited | Wholesale & retail | 2012 |
| Artchef Limited | Hospitality | 2025 |
| Artemis Designs Ltd | Arts & recreation | 2017 |
| Arthur H. King (Builders) Limited | Construction | 1983 |
| Artisan Windows (Northern) Ltd | Construction | 2026 |
| ARW Online Services Ltd | Professional & scientific | 2025 |
| ASA Headco Limited | Mining & quarrying | 2017 |
| ASA Resource Group Limited | Mining & quarrying | 1987 |
| Asata Limited | Real estate | 2026 |
| ASH Cameraman Limited | Information & communication | 2018 |
| Asha Express Ltd | Hospitality | 2024 |
| Asha Indian Online Limited | Hospitality | 2018 |
| Asha Woolfold Ltd | Hospitality | 2023 |