| A&B Restaurants Ltd | Hospitality | 2026 |
| A&F Transit Ltd | Transport & logistics | 2025 |
| A&H Investments Properties Limited | Real estate | 2021 |
| A&H Oldham Ltd | Administrative & support | 2025 |
| A&J Private Ltd | Transport & logistics | 2025 |
| A&Jy Limited | Health & social care | 2022 |
| A&J’S Ventures Ltd | Administrative & support | 2025 |
| A&K Brothers Limited | Administrative & support | 2016 |
| A&K Properties NW Ltd | Real estate | 2020 |
| A&L Holdings Limited | Real estate | 2024 |
| A&M Corporate Limited | Wholesale & retail | 2017 |
| A&P Furnishing Ltd | Wholesale & retail | 2013 |
| A&R Marine Solutions Ltd | Professional & scientific | 2026 |
| A-Hh Solutions Limited | Professional & scientific | 2023 |
| A-Light Sound and Light Ltd | Arts & recreation | 2019 |
| A-Star Kids Ltd | Health & social care | 2021 |
| A-Star Kids Parkview Ltd | Education | 2024 |
| A. B. Accountancy Services (HT) Limited | Professional & scientific | 2023 |
| A. Driza Ltd | Construction | 2024 |
| A. Howarth Limited | Real estate | 2007 |
| A. I. Catering Services Ltd | Hospitality | 2016 |
| A.B. Realty Limited | Real estate | 2019 |
| A.C. Coaching Limited | Arts & recreation | 2003 |
| A.D.Taylor (Joiner) Limited | Manufacturing | 2012 |
| A.F. Kitchens Ltd | Manufacturing | 2013 |
| A.G Constructions Oldham Ltd | Construction | 2024 |
| A.I. Takeaway Ltd | Hospitality | 2017 |
| A.I. Takeaway Manchester Ltd | Wholesale & retail | 2023 |
| A.I.M.I Properties Ltd | Real estate | 2024 |
| A.J. Clarke Demolitions (M/C) Limited | Construction | 1966 |
| A.J.C. Road Sweepers Ltd | Water & waste | 2005 |
| A.Mal Projects CIC | Education | 2021 |
| A.P.S Building Services Ltd | Construction | 2019 |
| A.T Prevention Ltd | Construction | 2023 |
| A1 Apartments Limited | Hospitality | 2019 |
| A1 Auto Sales Ltd | Wholesale & retail | 2024 |
| A1 Construction Development Ltd | Construction | 2025 |
| A1 GAS Ltd | Professional & scientific | 2024 |
| A1 German Breakers Group UK Ltd | Wholesale & retail | 2023 |
| A1 German Breakers NW Ltd | Wholesale & retail | 2021 |
| A1 Minibus Travels Limited | Transport & logistics | 2023 |
| A1 Plastics Limited | Construction | 2005 |
| A1 Properties NW Ltd | Real estate | 2024 |
| A1 Sweet Centre Limited | Hospitality | 2013 |
| A1 Taxi Rentals Ltd | Administrative & support | 2026 |
| A1 Welding Equipment Ltd | Wholesale & retail | 2004 |
| A10 Ventures Ltd | Real estate | 2026 |
| A1GB Ltd | Wholesale & retail | 2021 |
| A1WEBSTATS Ltd | Information & communication | 2012 |
| A2B Financial Ltd | Financial services | 2020 |
| A2B Motor Factors Ltd | Wholesale & retail | 2025 |
| A2B Tommyfield Cars Ltd | Administrative & support | 2017 |
| A2Z Asif Gondal Limited | Transport & logistics | 2024 |
| A2Z Recycling Ltd | Wholesale & retail | 2020 |
| A2Z Retailer Ltd | Wholesale & retail | 2020 |
| A2ZEE Direct Ltd | Wholesale & retail | 2025 |
| A5 Roofing Ltd | Construction | 2008 |
| A7 Construction Ltd | Construction | 2026 |
| AA 512 Ltd | Transport & logistics | 2021 |
| AA Beauty Solutions Ltd | Wholesale & retail | 2020 |
| AA Best Bakery Ltd | Manufacturing | 2020 |
| AA Commercial Engines Ltd | Wholesale & retail | 2018 |
| AA Forecourts Ltd | Wholesale & retail | 2025 |
| AA Hair Dressers Limited | Other services | 2025 |
| AA Hygiene Services Ltd | Health & social care | 2024 |
| AA Kitchens & Bedrooms Limited | Manufacturing | 2023 |
| AA Mart Hub Ltd | Wholesale & retail | 2026 |
| AA Taxi Rentals Ltd | Wholesale & retail | 2024 |
| AA Tyre Solutions (NW) Ltd | Wholesale & retail | 2025 |
| AAA Properties & Builders Ltd | Real estate | 2022 |
| Aaas Medical & Legal Limited | Real estate | 2020 |
| AAB Fitters Ltd | Construction | 2025 |
| AAB Supply System Limited | Wholesale & retail | 2026 |
| AAC (North West) Ltd | Administrative & support | 2020 |
| Aaish Enterprises Limited | Wholesale & retail | 2026 |
| Aaliyaan Estates Ltd | Real estate | 2024 |
| AAM Property Holdings Ltd | Real estate | 2023 |
| Aamir Building Work Ltd | Construction | 2025 |
| Aapoldham Limited | Extraterritorial | 2018 |
| Aarra UK Limited | Wholesale & retail | 2022 |
| Aasb Ltd | Information & communication | 2017 |
| Aash Properties Ltd | Real estate | 2026 |
| Aasrcomm Limited | Wholesale & retail | 2010 |
| Aavyra Ltd | Wholesale & retail | 2026 |
| AAZ Group Properties Ltd | Real estate | 2025 |
| AB Convenience Store Ltd | Wholesale & retail | 2023 |
| AB Corporate Consulting Ltd | Information & communication | 2019 |
| AB Development Groups Limited | Real estate | 2023 |
| AB Fashion Apparel Limited | Wholesale & retail | 2023 |
| AB Global Sales Ltd | Wholesale & retail | 2023 |
| AB Sports Investments Limited | Arts & recreation | 2026 |
| AB Vehicle Solutions Ltd | Wholesale & retail | 2025 |
| Abalencor, AB Alternative Energy Corporation Ltd. | Administrative & support | 2008 |
| Abaseen Digital Limited | Information & communication | 2023 |
| Abaseen Restaurant Ltd | Hospitality | 2025 |
| Abbeyhills Local Shopper Ltd | Wholesale & retail | 2015 |
| Abbonz Limited | Public administration | 2022 |
| Abbotswood Developments Limited | Real estate | 1999 |
| Abbott Mellor Limited | Manufacturing | 2019 |
| ABC IT Consultancy Ltd | Information & communication | 2017 |