| 7 Days Blackburn Ltd | Wholesale & retail | 2025 |
| 7 Days Minimarket Limited | Wholesale & retail | 2025 |
| 7 Star Catering Equipment Ltd | Manufacturing | 2023 |
| 75 a Ltd | Professional & scientific | 2014 |
| 78AH Ltd | Real estate | 2020 |
| 7EC Ltd | Wholesale & retail | 2024 |
| 7SEVEN.T.FIRE Safety Solutions. Ltd. | Professional & scientific | 2018 |
| 8020 Consultancy Ltd | Professional & scientific | 2019 |
| 86 Pro Clinic Limited | Health & social care | 2024 |
| 92 Property Management Limited | Real estate | 2024 |
| @ Home Graphics Limited | Professional & scientific | 2002 |
| @@@ Filer Limited | Information & communication | 2019 |
| A & a Developers Ltd | Construction | 2024 |
| A & a Motors (NW) Ltd | Wholesale & retail | 2025 |
| A & D Groundworks Limited | Other services | 2011 |
| A & D Partnership Ltd | Hospitality | 2025 |
| A & G Refrigeration Limited | Other services | 2002 |
| A & K Bespoke Manufacturing Ltd | Manufacturing | 2023 |
| A & M Discount Furniture Ltd | Manufacturing | 2023 |
| A & M Private Limited | Wholesale & retail | 2021 |
| A & P Everydayz Limited | Wholesale & retail | 2023 |
| A & R Sanderson Holdings Ltd | Professional & scientific | 2014 |
| A & S Patel Ltd | Health & social care | 2021 |
| A & T Properties (NW) Ltd | Real estate | 2023 |
| A 1 Consulting Engineers Limited | Construction | 2006 |
| A a Frozen Food Limited | Hospitality | 2022 |
| A a Law (Lancashire) Ltd | Professional & scientific | 2009 |
| A and a Equestrian Ltd | Wholesale & retail | 2025 |
| A and J Derbyshire Property Development Ltd Limited | Real estate | 2024 |
| A and S Decor Limited | Construction | 2012 |
| A Arain Limited | Wholesale & retail | 2017 |
| A B Property (Northern) Limited | Real estate | 2025 |
| A Bobat Care Ltd | Health & social care | 2025 |
| A C M Heat Services Ltd | Construction | 2022 |
| A Clegg Autos Ltd | Professional & scientific | 2022 |
| A D Castings Limited | Administrative & support | 2006 |
| A Dixon Autos Limited | Wholesale & retail | 2018 |
| A Fresh Look Ltd | Construction | 2010 |
| A G Commercial Properties Limited | Real estate | 2014 |
| A Gosai Procurement Services Ltd | Professional & scientific | 2019 |
| A J a 1 2 Limited | Real estate | 2022 |
| A J a 1 3 Ltd | Real estate | 2024 |
| A J a I I Limited | Real estate | 2013 |
| A J Butler Joinery Limited | Construction | 2005 |
| A J Framing Limited | Professional & scientific | 2023 |
| A J Real Estates Limited | Real estate | 2017 |
| A J Sykes Investments Ltd | Financial services | 2024 |
| A J Wholesale Ltd | Wholesale & retail | 2008 |
| A Jones & Sons Limited | Construction | 2023 |
| A K Holdings Property Management Limited | Real estate | 2023 |
| A M Carpets and Flooring Ltd | Construction | 2021 |
| A M Go Courier Ltd | Transport & logistics | 2019 |
| A Makkan Ltd | Information & communication | 2022 |
| A Move Limited | Real estate | 2025 |
| A N B Delivery Services Limited | Transport & logistics | 2021 |
| A P Bellis & Associates Limited | Professional & scientific | 1999 |
| A Room From Home Ltd | Real estate | 2012 |
| A Shah Properties Ltd | Real estate | 2024 |
| A Simple Xpression Ltd | Manufacturing | 2026 |
| A Star Meats Ltd | Wholesale & retail | 2022 |
| A Tajammal Ltd | Health & social care | 2023 |
| A Tantot Limited | Education | 2007 |
| A to Z Catering Equipments Limited | Manufacturing | 2021 |
| A to Z Motors Blackburn Ltd | Wholesale & retail | 2022 |
| A W Developments (North West) Ltd | Construction | 1998 |
| A Z Alliance Investments Ltd | Real estate | 2025 |
| A Z NUH Properties Ltd | Real estate | 2024 |
| A&A Car Hire (NW) Ltd | Administrative & support | 2026 |
| A&F Mulla Properties Ltd | Households | 2025 |
| A&F Sales Marketing Ltd | Administrative & support | 2019 |
| A&G Design Control and Automation Systems Ltd | Professional & scientific | 2013 |
| A&S Fashion Blackburn Ltd | Wholesale & retail | 2025 |
| A&W Kingdom Ltd | Other services | 2022 |
| A&W Ventures Ltd | Real estate | 2023 |
| A'Llora Luxe Ltd | Other services | 2023 |
| A-Z Halal Meat Ltd | Wholesale & retail | 2026 |
| A-Z Wellness Ltd | Health & social care | 2022 |
| A. Ainsworth & Sons (Jewellers) Limited | Wholesale & retail | 1958 |
| A. J. Shuttleworth (Farriers) Ltd | Agriculture & fishing | 2005 |
| A. M. Formwork Limited | Construction | 2019 |
| A. M. Tours Limited | Administrative & support | 2007 |
| A. P. a. Limited | Wholesale & retail | 1994 |
| A. Raza Pharma Ltd | Wholesale & retail | 2025 |
| A.B. Sealants Limited | Manufacturing | 2011 |
| A.B. Sealants Northern Limited | Wholesale & retail | 1996 |
| A.G.S. Tech Limited | Other services | 2003 |
| A.J. Hayhurst Limited | Wholesale & retail | 1978 |
| A.J.A. Smith Properties Limited | Real estate | 2005 |
| A.J.B. Construction (NW) Ltd | Construction | 2018 |
| A.K. Elegance Limited | Wholesale & retail | 2024 |
| A.K.M NW Plumbing & Heating Ltd | Construction | 2025 |
| A.M.P.T. Limited | Health & social care | 2018 |
| A.N Group London Ltd | Construction | 2025 |
| A.N Optics Limited | Health & social care | 2015 |
| A.P.A. (Kirby Muxloe) Limited | Extraterritorial | 2025 |
| A.P.V. Ltd | Wholesale & retail | 2009 |
| A.S. Audiologist Ltd | Health & social care | 2018 |
| A.S. Pharmacy Locum Ltd | Health & social care | 2021 |
| A.S.K. Joinery Ltd | Construction | 2016 |
| A.T.F. (Textiles) Limited | Manufacturing | 2005 |