| 26-32 Alexandra Court RTM Company Ltd | Households | 2017 |
| 61 Rickmansworth Road RTM Company Limited | Households | 2010 |
| 72 Seasons Ltd | Arts & recreation | 2024 |
| 77 Taxi Ltd | Transport & logistics | 2024 |
| A D Waddington & Sons Ltd | Construction | 2003 |
| A J Long Contractors Limited | Agriculture & fishing | 2004 |
| A Series of Frantic Events Ltd | Hospitality | 2025 |
| A.J.S Dales Scaffolding Limited | Construction | 2008 |
| Abbott Holtham Ltd | Professional & scientific | 2012 |
| Ace Case Limited | Manufacturing | 1974 |
| Ace Veterinary Services Ltd | Professional & scientific | 2017 |
| Acme Helicopters Limited | Professional & scientific | 2002 |
| Action Replay Photography Ltd | Professional & scientific | 2010 |
| Aerovane Global Ltd | Wholesale & retail | 2025 |
| AF Safety Consultancy Ltd | Public administration | 2026 |
| Afar Exhibition Services Limited | Administrative & support | 1981 |
| AGH Consultancy Ltd | Professional & scientific | 2025 |
| Agrispares Trading Co (Sales) Ltd. | Wholesale & retail | 2002 |
| Agrispares Trading Co Limited | Wholesale & retail | 2002 |
| Agristride Ltd | Manufacturing | 2025 |
| AJ Bands Ltd | Arts & recreation | 2023 |
| Aj-Surveyors Limited | Professional & scientific | 2024 |
| Albert Road Fisheries Limited | Hospitality | 2015 |
| Alison Clare Services Limited | Professional & scientific | 2023 |
| ALL Design Matters Limited | Professional & scientific | 2005 |
| Almasi Digital Limited | Professional & scientific | 2023 |
| Alpha Omega Magic Ltd | Wholesale & retail | 2025 |
| Alwyn Pickles & Co Limited | Wholesale & retail | 2009 |
| AMK Engineering (Earby) Limited | Wholesale & retail | 2016 |
| AMP Investments Limited | Real estate | 1990 |
| Anchor Salterforth Limited | Hospitality | 2023 |
| Apex Building & Landscaping Ltd | Administrative & support | 2025 |
| APPOINTM8 Limited | Information & communication | 2025 |
| AR Photography LLP | | 2023 |
| Archway Dental Group Limited | Health & social care | 2018 |
| Arclid Power Specialists Limited | Professional & scientific | 2012 |
| Artorius NW Limited | Professional & scientific | 2026 |
| ASH Away Chimney Services Ltd | Administrative & support | 2024 |
| Ashley Homes (NW) Limited | Construction | 2006 |
| Aspire Strategic Land Limited | Professional & scientific | 2025 |
| Asquith Goodall Limited | Professional & scientific | 2011 |
| Atkinsons Buildings and Maintenance Limited | Construction | 2002 |
| Audreyblue Ltd | Real estate | 2017 |
| Automatic Design & Artwork Limited | Professional & scientific | 2005 |
| Autumn Blossoms Ltd | Health & social care | 2017 |
| Aventra Recruitment Limited | Administrative & support | 2025 |
| Awan Software Solutions Limited | Information & communication | 2022 |
| AWD 4 X 4 Limited | Construction | 2005 |
| Azhin HQ Ltd | Other services | 2025 |
| B & M MCR Ltd | Wholesale & retail | 2021 |
| B Presents Ltd | Professional & scientific | 2025 |
| Balance Education Consultancy Limited | Education | 2024 |
| Banner Installations Limited | Information & communication | 2012 |
| Barbara Escolme Limited | Other services | 2021 |
| Barlick Art and Crafts Drop-In Studio C.I.C. | Arts & recreation | 2015 |
| Barlick Dental Studio Ltd | Health & social care | 2024 |
| Barlick Digital Solutions Ltd | Information & communication | 2025 |
| Barlick RAJ Balti Limited | Hospitality | 2019 |
| Barlickers Ltd | Hospitality | 2026 |
| Barnoldswick Masonic Hall Limited | Other services | 1963 |
| Barnoldswick MOT Centre Ltd | Wholesale & retail | 2021 |
| Barnoldswick Plumbing & Heating Limited | Construction | 2008 |
| Barton Building (N/W) Ltd | Construction | 2011 |
| Barton Building and Developments Ltd | Construction | 2004 |
| BB18 Brewing Co Ltd | Manufacturing | 2019 |
| Beams Property Limited | Real estate | 2022 |
| Bellissimo Amore Ltd | Wholesale & retail | 2026 |
| Bellmetal Industries Limited | Manufacturing | 1964 |
| Besecureuk Ltd | Construction | 2019 |
| Bespoke Admin Plus Ltd | Professional & scientific | 2016 |
| Bhandal Logistics Ltd | Transport & logistics | 2016 |
| Big SIX Developments Ltd | Information & communication | 2022 |
| BO Brooke Draughting Limited | Professional & scientific | 2017 |
| Bondmor Limited | Manufacturing | 1995 |
| Bonjour Cards and Gifts Limited | Other services | 2016 |
| Border Groundcare Limited | Other services | 2006 |
| Bowland Builders Ltd | Construction | 2024 |
| Bricon Builders Limited | Construction | 2005 |
| Briercliffe Lodge Limited | Health & social care | 2024 |
| Britrock Plus Ltd | Information & communication | 2026 |
| Brookes Geospatial Ltd | Professional & scientific | 2023 |
| Bryan Blackwell Ltd | Professional & scientific | 2017 |
| Build on Masonry Ltd | Construction | 2018 |
| Building Elements Ltd | Construction | 2010 |
| Built Environment Consultancy Ltd | Water & waste | 2016 |
| Buoyancy Aerospace V1 Ltd | Manufacturing | 2002 |
| Burnsafe Ltd | Administrative & support | 2009 |
| Business Performance Improvements Ltd | Wholesale & retail | 2011 |
| Busybees Bookkeeping and Payroll Services Ltd | Professional & scientific | 2024 |
| C & J Contracting Limited | Agriculture & fishing | 2013 |
| C Burrows Ltd | Professional & scientific | 2020 |
| C&C Bars Ltd | Hospitality | 2026 |
| Camper Installs UK Ltd | Wholesale & retail | 2025 |
| Canal View Motors Limited | Hospitality | 2020 |
| Capll Properties Limited | Real estate | 2013 |
| Car Point Lancashire Limited | Wholesale & retail | 2024 |
| Carling Construction Limited | Wholesale & retail | 1983 |
| Carson 5888 Property Limited | Real estate | 2024 |
| CB Building & Groundworks Limited | | 2009 |
| CH Zain Ltd | Hospitality | 2023 |