| A Jennings Building Contractors Ltd | Construction | 2018 |
| A R Dickson Countryside Services Limited | Agriculture & fishing | 2018 |
| A.Tyson Plumbing & Heating Ltd | Construction | 2022 |
| A.W.E. and Sons Limited | Construction | 2010 |
| AB 1729 Ltd | Wholesale & retail | 2020 |
| Acclaimed Cleaning Ltd | Administrative & support | 2023 |
| Accountax Plus Ltd | Professional & scientific | 2006 |
| ACM Instruments Ltd. | Manufacturing | 2022 |
| Acorn Therapy Limited | Health & social care | 2009 |
| Activities in Lakeland Ltd | Arts & recreation | 2000 |
| ADD 3D Solutions Ltd | Manufacturing | 2023 |
| Advanced Learning Associates Limited | Professional & scientific | 2002 |
| Adventure Outdoors Ltd | Wholesale & retail | 2024 |
| Aegean Blue Ltd | Financial services | 2005 |
| AFL Credit & Finance Limited | Professional & scientific | 2001 |
| Afton House Roundhay Limited | Households | 2019 |
| Akhi Indian Takeaway Ltd | Hospitality | 2024 |
| Alan Postlethwaite Funerals Limited | Other services | 2014 |
| Alderwood Limited | Professional & scientific | 2017 |
| Alignment Consultancy Services Ltd | Professional & scientific | 2019 |
| ALL Animals Veterinary Clinic Ltd | Professional & scientific | 2005 |
| Angel Antiques Ltd | Other services | 2024 |
| Anglo-Frysia Publications Limited | Information & communication | 2011 |
| Animal Recovery Therapy Limited | Professional & scientific | 2016 |
| Applied Corrosion Monitoring Limited | Manufacturing | 1985 |
| Aqua Power Technologies Limited | Professional & scientific | 2014 |
| Archway Veterinary Practice (S.Cumbria) Limited | Professional & scientific | 2009 |
| AT 3D-SQUARED Ltd | Manufacturing | 2007 |
| AYA Films C.I.C. | Information & communication | 2011 |
| Aynsome Mill Farm Management Company Limited | Households | 2001 |
| B & P Investment Consultants Ltd | Professional & scientific | 2012 |
| B Barker Properties Ltd | Real estate | 2025 |
| B J Lambeth Ltd | Agriculture & fishing | 2019 |
| Babelisk Ltd | Information & communication | 2009 |
| Backbarrow Contracting Ltd | Construction | 2016 |
| Bainbridge Ings Country Park Ltd | Hospitality | 2016 |
| Bamber & SON Roofing Ltd | Construction | 2016 |
| Barn Media Group Ltd | Manufacturing | 2025 |
| Barry Saunders Ltd | Construction | 2010 |
| Batemans Limited | Extraterritorial | 1989 |
| Bay Bookkeeping and Accounting Ltd | Professional & scientific | 2023 |
| Bay View Preservation Limited | Extraterritorial | 2009 |
| Baydreamers Ltd | Wholesale & retail | 2021 |
| Beckside Collective Limited | Information & communication | 2025 |
| Beer & Pretzel Gaming Ltd | Wholesale & retail | 2023 |
| BEN Jinks Groundwork & Landscaping Ltd | Construction | 2023 |
| Berriedale Properties Ltd | Real estate | 2021 |
| Bfms Accountants Limited | Professional & scientific | 2018 |
| Big Sky Properties Limited | Real estate | 2015 |
| Bins Go Limited | Wholesale & retail | 2017 |
| Biskey Howe Investments Limited | Real estate | 1996 |
| Blenkett View Management Company Limited | Households | 2017 |
| Bleszt Ltd | Real estate | 2024 |
| Blooms & Brews Ltd | Wholesale & retail | 2025 |
| Bmanservices Limited | Information & communication | 2012 |
| Bnewton Ltd | Information & communication | 2022 |
| Bownass & Harrison Building Contractors Ltd | Construction | 2002 |
| Brantwood Trust Enterprises Ltd | Hospitality | 2015 |
| Brian Cowperthwaite Limited | Agriculture & fishing | 2002 |
| Bridge Mews (Ingleton) Management Company Limited | Households | 2007 |
| Brilliant and Crazy Ltd | Arts & recreation | 2022 |
| Brimstone Enterprises Ltd | Professional & scientific | 2015 |
| Brindley Data Services Ltd | Information & communication | 2001 |
| Burrows & Farrington Developments Limited | Construction | 2024 |
| Burrows Property Developments Ltd | Real estate | 2021 |
| Bywater Marine Ltd | Manufacturing | 2026 |
| C D Psychology Limited | Health & social care | 2013 |
| C S Drinks Ltd | Wholesale & retail | 2010 |
| Caelum Reach Limited | Financial services | 2019 |
| Cafe Grange Ltd | Hospitality | 2019 |
| Calon Parks Limited | Hospitality | 2025 |
| Calou Consulting Ltd | Professional & scientific | 2024 |
| Carcraft Body Repairs Ltd | Wholesale & retail | 2003 |
| Carl Taylor Building Contractor Limited | Construction | 2014 |
| Cartmel Aesthetics Ltd | Health & social care | 2024 |
| Cartmel Cheeses Limited | Wholesale & retail | 2011 |
| Cartmel Honey Co Ltd | Agriculture & fishing | 2025 |
| Cartmel Lodge Park Ltd | Hospitality | 2022 |
| Cartmel Mineral Water Limited | Water & waste | 2013 |
| Cartmel Sticky Toffee Pudding Co. Ltd. | Manufacturing | 2000 |
| Cartmel Tower Management Limited | Households | 1990 |
| Cartmel Valley Game Supplies Limited | Wholesale & retail | 2005 |
| Cellar Antiques Ltd | Wholesale & retail | 2009 |
| CH Stables Limited | Households | 2025 |
| Chainone Ltd | Professional & scientific | 2019 |
| Chatsworth Park Properties Ltd | Real estate | 2017 |
| CML Trading Limited | Wholesale & retail | 2017 |
| Cockles in Cartmel Ltd | Wholesale & retail | 2015 |
| Cockles Ltd | Wholesale & retail | 2007 |
| Coloroll Limited | Manufacturing | 2020 |
| Compliance in Care Limited | Health & social care | 2018 |
| Constallation Limited | Professional & scientific | 2016 |
| Coupe Rocks Ltd | Wholesale & retail | 2023 |
| Craglands Ltd | Education | 2021 |
| Creigmor Ltd | Wholesale & retail | 2023 |
| Crmd Projects Ltd | Construction | 2019 |
| Croco Limited | Administrative & support | 2014 |
| Croft Barn 1965 Limited | Extraterritorial | 2015 |
| Crowe Plant Hire Limited | Construction | 2002 |
| Cumbria Healthcare Limited | Health & social care | 2012 |