| Aloenore Spa (K-Kutz) Ltd | Other services | 2015 |
| ALP Tech Computers Limited | Wholesale & retail | 2020 |
| Alpha Bedrooms & Kitchens Ltd | Manufacturing | 2024 |
| Alpha Management and Maintenance MCR Ltd | Real estate | 2026 |
| Alpha MEP Ltd | Construction | 2021 |
| ALPHA1 Food Ltd | Hospitality | 2025 |
| Alpuran Funeral Society UK | Professional & scientific | 2016 |
| Alrms Ltd | Administrative & support | 2022 |
| ALT Homes Limited | Construction | 2007 |
| AM Competitions Limited | Wholesale & retail | 2026 |
| AM Hub Ltd | Wholesale & retail | 2026 |
| AM Real Estate Consultants Ltd | Construction | 2025 |
| AM Trendhub Ltd | Wholesale & retail | 2025 |
| Amaad Digital Limited | Information & communication | 2023 |
| Amaco Care Services Ltd | Health & social care | 2020 |
| Amari Education Consultancy Ltd | Education | 2025 |
| Amber Projects (North West) Limited | Construction | 2008 |
| Ambrosial Bakery and Store Limited | Manufacturing | 2025 |
| Amcy Marketing Solutions Ltd | Energy | 2020 |
| AME NW Ltd | Construction | 2024 |
| Amenity Aspect Limited | Real estate | 2021 |
| AMG Primary Care and Community Services Ltd | Health & social care | 2020 |
| Amqt Enterprise Ltd | Wholesale & retail | 2025 |
| AMR Plumbing & Heating NW Ltd | Construction | 2024 |
| AMS Solution NW Limited | Education | 2024 |
| AN Advisory Services Limited | Professional & scientific | 2026 |
| Anadolu Group UK Limited | Hospitality | 2024 |
| ANC Enterprises Ltd | Construction | 2011 |
| Ancoats Storage Ltd | Transport & logistics | 2022 |
| Andrew Earlam Golf Ltd | Wholesale & retail | 2017 |
| Andrew Mclaren Surveying Ltd | Professional & scientific | 2012 |
| Andrew Terence Rourke Ltd | Professional & scientific | 2024 |
| Andrew Wheeldon Ltd | Construction | 2018 |
| Andrewenny Consulting Ltd | Information & communication | 2015 |
| Anesi Clothing Ltd | Wholesale & retail | 2018 |
| Anna Thompson (Medical) Ltd | Health & social care | 2010 |
| Annie's Wheels Ltd | Other services | 2015 |
| Annstumax Ltd | Wholesale & retail | 2025 |
| Ansada Limited | Health & social care | 2003 |
| Anthony Barton Funeral Services Ltd | Other services | 2023 |
| Anton Thomas Consultancy Ltd | Financial services | 2007 |
| Anvesha Ltd | Manufacturing | 2025 |
| AO Electricians Limited | Construction | 2023 |
| AOS Utilities Limited | Professional & scientific | 2013 |
| Apex Careers and Staffing Limited | Administrative & support | 2021 |
| Apex Metrology Ltd. | Professional & scientific | 2023 |
| Apex Sevices Ltd | Administrative & support | 2026 |
| Appaible Ltd | Information & communication | 2026 |
| Appara Ltd | Professional & scientific | 2020 |
| Apple Amenity Ltd | Administrative & support | 2012 |
| Appliance Services (A-U-L) Limited | Manufacturing | 1998 |
| Aqnet Ltd | Information & communication | 2023 |
| AQS Exclusive Services Ltd | Wholesale & retail | 2022 |
| Aquamarine Maintenance Ltd | Agriculture & fishing | 2023 |
| Aquavia Limited | Financial services | 2015 |
| AR Couture Ltd | Wholesale & retail | 2025 |
| AR Fashions Limited | Wholesale & retail | 2021 |
| ARC Elevation Limited | Professional & scientific | 2025 |
| ARC Surveying Ltd | Construction | 2018 |
| Archi Clicks Ltd | Professional & scientific | 2020 |
| ARD Industrial Services Ltd | Administrative & support | 1998 |
| Arden Road Estate Limited | Professional & scientific | 2011 |
| ARK Electricals Trade Limited | Construction | 2025 |
| Arkl Engineering Ltd | Professional & scientific | 2023 |
| Armaan Estates Ltd | Real estate | 2024 |
| Armada Global Limited | Transport & logistics | 2022 |
| Arnom Market Limited | Wholesale & retail | 2026 |
| Arsal & Abdul Ltd | Construction | 2026 |
| Art People Group Ltd | Wholesale & retail | 2023 |
| Artemiis Ltd | Wholesale & retail | 2023 |
| Arti Sweet Centre Ashton Ltd | Wholesale & retail | 2026 |
| Arwen Store Ltd | Wholesale & retail | 2025 |
| AS Gold Building Ltd | Construction | 2024 |
| ASA Enterprise Ltd | Real estate | 2026 |
| Asbestos Contractors Ltd | Construction | 2014 |
| Asclepius Medical Services Limited | Health & social care | 2023 |
| ASH Vehicle Solutions Ltd | Transport & logistics | 2025 |
| Ashanti Contracts Group Limited | Construction | 2023 |
| Ashcroft Advisory Service Ltd | Professional & scientific | 2017 |
| Ashforth Media Ltd | Other services | 2012 |
| Ashforth Property Company Limited | Real estate | 2000 |
| Ashiana Takeaway Ltd | Hospitality | 2025 |
| Ashley LEE Offshore Electrical Services Limited | Professional & scientific | 2017 |
| Ashton Autopoint Ltd | Wholesale & retail | 2011 |
| Ashton Car Wash Ltd | Administrative & support | 2026 |
| Ashton Community Fridge CIC | Other services | 2024 |
| Ashton Discount Store Ltd | Wholesale & retail | 2026 |
| Ashton Financial Consultants Limited | Real estate | 1995 |
| Ashton Fresh Grill Ltd | Hospitality | 2025 |
| Ashton Grocery Ltd | Wholesale & retail | 2021 |
| Ashton Hurst Ltd | Professional & scientific | 2025 |
| Ashton INK & Beauty Ltd | Other services | 2020 |
| Ashton JIG and Tool Company Limited | Manufacturing | 1958 |
| Ashton Launderettes Limited | Other services | 2024 |
| Ashton Mobile Tyres Ltd | Wholesale & retail | 2024 |
| Ashton Nintai Karate CIC | Arts & recreation | 2022 |
| Ashton Property Holding Ltd | Real estate | 2025 |
| Ashton Self Store Limited | Extraterritorial | 2011 |
| Ashton Star Kebab Limited | Hospitality | 2024 |
| Ashton Super Store Ltd | Wholesale & retail | 2018 |