| Countrystyle Meats Ltd | Wholesale & retail | 2020 |
| Cowdog PUB Company Limited | Hospitality | 2025 |
| Cowmans Famous Sausage Shop Limited | Wholesale & retail | 2015 |
| COX & COX Ltd | Hospitality | 2024 |
| Cozy Cottage Ltd | Real estate | 2019 |
| CR Clothing Ltd | Wholesale & retail | 2023 |
| Crabtree Capital Advisory Limited | Professional & scientific | 2019 |
| Crabtree Capital Introductions Limited | Professional & scientific | 2022 |
| Crabtree Capital Limited | Professional & scientific | 2016 |
| Creased UP Limited | Professional & scientific | 2000 |
| Created by Chelsea Ltd | Wholesale & retail | 2025 |
| Creative Branding Limited | Manufacturing | 2016 |
| Creative Branding Workwear Limited | Manufacturing | 2020 |
| Creative Gift Co (North West) Ltd | Wholesale & retail | 2020 |
| Creative Modular Designs Ltd | Construction | 2026 |
| Crestwood Search Limited | Professional & scientific | 2019 |
| CRJ Developments Ltd | Construction | 2024 |
| Crofter Consulting Limited | Professional & scientific | 2023 |
| Cross Family Investments Limited | Real estate | 2022 |
| Cross Keys Hotel (Burnley) Ltd | Hospitality | 2022 |
| Crossfit Pendle Limited | Arts & recreation | 2014 |
| Crossfit Pendle Promotions Ltd | Arts & recreation | 2019 |
| Crossgills Sand Company Limited | Mining & quarrying | 1975 |
| Crown Properties (Sabden) Ltd | Real estate | 2016 |
| Cruise Academy Ltd | Education | 2017 |
| Crunchtimes Ltd | Wholesale & retail | 2017 |
| Cryne & Leaver Property Ltd | Real estate | 2020 |
| Cryocell Limited | Health & social care | 2008 |
| Crystal AV IT Limited | Professional & scientific | 2023 |
| Crystal Bar Equipment Ltd | Administrative & support | 2009 |
| Crystal Technical Services Limited | Information & communication | 2024 |
| CS Propco Ltd | Real estate | 2025 |
| CT Electrical Solutions Ltd | Construction | 2024 |
| CTW Partners Limited | Professional & scientific | 2026 |
| Cubes CAD Ltd | Professional & scientific | 2013 |
| Curious Two Consulting Ltd | Professional & scientific | 2025 |
| Curlew House Farm Limited | Agriculture & fishing | 2018 |
| Cutting Edge Labels Ltd | Manufacturing | 2020 |
| CWS Cottages Ltd | Real estate | 2024 |
| CWT Contracts Limited | Wholesale & retail | 2015 |
| Cyber Culture Limited | Information & communication | 2024 |
| Cyber Quest C.I.C. | Education | 2024 |
| Czapowski Financial Ltd | Financial services | 2013 |
| D & a W Properties Ltd | Real estate | 2020 |
| D & B Surveys Ltd | Professional & scientific | 2022 |
| D & D Civil Engineering Ltd | Construction | 2000 |
| D & GM Cowking Limited | Wholesale & retail | 2005 |
| D Byrne & Co Fine Wines Limited | Wholesale & retail | 2020 |
| D Clifford Limited | Wholesale & retail | 2023 |
| D Evans Software Ltd | Information & communication | 2016 |
| D Glass Interpreting Limited | Professional & scientific | 2008 |
| D Grimes Holdings Ltd | Real estate | 2023 |
| D Hartshorn Building Project Manager Ltd | Construction | 2020 |
| D J P Domestic Appliances Ltd. | Wholesale & retail | 2001 |
| D M Painters & Decorators Limited | Construction | 2012 |
| D R Guttering Ltd | Construction | 2026 |
| D S Electronics Limited | Construction | 2000 |
| D S Motortech Limited | Wholesale & retail | 2013 |
| D W Aviation Ltd | Manufacturing | 2019 |
| D W Holden Site Personnel Ltd | Professional & scientific | 2014 |
| D&G Homes Ltd | Construction | 2025 |
| D. Blackburn Contractors Limited | Construction | 2016 |
| D. Blackburn Landscaping Limited | Administrative & support | 2026 |
| DA Holdings Ltd | Financial services | 2025 |
| DAC Ltd | Information & communication | 2003 |
| Dade Group Limited | Financial services | 2026 |
| Dade Holdings Limited | Financial services | 2024 |
| Daisybell Photography Ltd. | Other services | 2016 |
| Daisycroft Ltd | Professional & scientific | 2012 |
| Dales Fabrics Limited | Wholesale & retail | 2018 |
| Dalliam Ltd | Construction | 2008 |
| Dane and Dane Studio (Holding) Ltd | Professional & scientific | 2018 |
| Dane Harrison Projects Ltd | Construction | 2025 |
| Daniela Schneeberger Consulting Limited | Professional & scientific | 2020 |
| Danpac Investments Limited | Financial services | 2024 |
| Dardouri Quantity Surveyors Ltd | Professional & scientific | 2025 |
| Dariusz Moskwa Transport Ltd. | Transport & logistics | 2015 |
| Dark Sky Lodges Ltd | Real estate | 2026 |
| Darnell Communications Limited | Information & communication | 2018 |
| Darren Clare Limited | Professional & scientific | 2017 |
| Darren Ross Limited | Other services | 2007 |
| Darryl Redhead Consultancy Ltd | Professional & scientific | 2024 |
| Dash Computer Products LLP | | 2009 |
| Dave Owens Building & Joinery Ltd | Construction | 2022 |
| David Burns Holdings Limited | Administrative & support | 2000 |
| David Ganz Associates Limited | Professional & scientific | 2007 |
| David Holmes Construction Limited | Construction | 2003 |
| David Holmes Contracting Limited | Construction | 2015 |
| David Ingham Development Services Limited | Construction | 2003 |
| David Nicholls Partnership Limited | Professional & scientific | 2002 |
| David Pennington (Farms) Limited | Administrative & support | 2010 |
| David Spruce Limited | Professional & scientific | 2006 |
| Davidson Project Management Limited | Professional & scientific | 2023 |
| Dawn Kynaston Limited | Professional & scientific | 2010 |
| DB Incorporated Ltd | Financial services | 2023 |
| Dc-Hdh Ltd | Construction | 2025 |
| DCW Group Limited | Financial services | 2026 |
| Deaville Holdings Limited | Financial services | 2011 |
| Decor Designs NW Ltd | Wholesale & retail | 2021 |
| Decron Limited | Construction | 2006 |