| C S H Electrical Limited | Construction | 2002 |
| C S Segal Limited | Wholesale & retail | 2018 |
| C-Beam Developments Limited | Wholesale & retail | 2002 |
| C. Cabs (Blackpool) Limited | Professional & scientific | 1967 |
| C. K. Design Services Limited | Professional & scientific | 2006 |
| C.A.D.C.A.M. Engineering Services Limited | Information & communication | 2006 |
| C.R. Solutions Limited | Administrative & support | 1998 |
| C.T.R. Plastics Limited | Manufacturing | 2003 |
| C.W.R. Scaffolds Limited | Construction | 1997 |
| Cabjet Limited | Real estate | 1988 |
| Calculon Ltd | Information & communication | 2005 |
| Calderbanks (Metals) Limited | Wholesale & retail | 1979 |
| Calderbrook House Ltd | Administrative & support | 2015 |
| Camera Centre (Burnley) Limited(The) | Wholesale & retail | 1979 |
| Camfil Limited | Manufacturing | 1978 |
| Canopies UK Limited | Manufacturing | 1990 |
| Capswell Limited | Information & communication | 2020 |
| Car-Toon Limited | Wholesale & retail | 1982 |
| Carbogen Amcis Limited | Manufacturing | 2005 |
| Carbon Image Limited | Other services | 1997 |
| Care (Design & Furniture) Limited | Construction | 2005 |
| Care 4 U Homecare Agency Limited | Health & social care | 2006 |
| Carers in Mind Ltd | Administrative & support | 2022 |
| Cargo Broadcast Limited | Arts & recreation | 1978 |
| Caritas Care Limited | Health & social care | 1981 |
| Carl Allen Furnishings Limited | Wholesale & retail | 2002 |
| Carl Wroe Couriers Limited | Transport & logistics | 2003 |
| Carleton CAB Co. Ltd | Transport & logistics | 2003 |
| Carnarvon North Ltd | Wholesale & retail | 2025 |
| Carnforth Building Design Limited | Professional & scientific | 2003 |
| Carousel Children's Wear | | 2001 |
| Carpet Fitters Supplies Limited | Wholesale & retail | 2005 |
| Cartmell Construction Limited | Construction | 1999 |
| Casearch Limited | Professional & scientific | 2003 |
| Casra Consultancy (UK) Limited | Manufacturing | 2007 |
| Cassidy & Ashton Limited | Professional & scientific | 1992 |
| Castle Financial LLP | | 2006 |
| Castlebrook Developments Limited | Administrative & support | 2002 |
| CATCH22 Media Limited | Information & communication | 2009 |
| Cawley Jewellers Limited | Wholesale & retail | 2002 |
| Cazville Ltd | Extraterritorial | 2007 |
| CCS Consulting Ltd | Professional & scientific | 2006 |
| CDS Property Limited | Construction | 2018 |
| CE Taxi Ltd | Transport & logistics | 2003 |
| Cecil Elms Ltd | Wholesale & retail | 2025 |
| Celikkol Medical Services Limited | Health & social care | 2003 |
| Central Bodyshop Limited | Wholesale & retail | 1997 |
| CFM Consultants Ltd | Administrative & support | 2002 |
| Chainwealth Limited | Professional & scientific | 2022 |
| Chalmerst Limited | Wholesale & retail | 2025 |
| Chaney Air CON Ltd | Manufacturing | 2003 |
| Chantelle Lighting Limited | Manufacturing | 2021 |
| Chapanery Retail Limited | Wholesale & retail | 2004 |
| Chapelmount Investments Ltd | Construction | 2019 |
| Chapelmount Properties Limited | Construction | 2019 |
| Chargemove Limited | Real estate | 1988 |
| Charles Stuart Properties Limited | Real estate | 2002 |
| Charles Wilson Properties Limited | Real estate | 2006 |
| Chas.H.Dickinson & SON Limited | Real estate | 1955 |
| Cheam Foods Ltd | Hospitality | 2003 |
| Checker Scientific Limited | Manufacturing | 2005 |
| Cheetham Hill Construction Limited | Construction | 1966 |
| Cheetham Network Limited | Information & communication | 2004 |
| Cheetham's Garage Limited | Wholesale & retail | 2002 |
| Cheethams Mill Industrial Park Limited | Real estate | 2003 |
| Chepstow Stores Ltd | Wholesale & retail | 2003 |
| Cherry Property Investment Limited | Real estate | 2002 |
| Cherrytree Bakery Holdings Limited | Professional & scientific | 2007 |
| Cheshire Morgans Limited | Transport & logistics | 1993 |
| Children 4 Most Private Day Nursery Limited | Education | 2003 |
| Chimeeras Limited | Arts & recreation | 2008 |
| Chinese Garden Limited | Hospitality | 2003 |
| Chirton Solutions Limited | Administrative & support | 2003 |
| Chocky Mike Limited | Wholesale & retail | 2002 |
| Choice Hotels Limited | Hospitality | 1978 |
| Choice Meats Catering Limited | Wholesale & retail | 1998 |
| Chorley Land Company,Limited(The) | Financial services | 1906 |
| Chorley Little Theatre Company Limited | Extraterritorial | 1960 |
| CHP Supplies Limited | Wholesale & retail | 1980 |
| Chris Hodgson Limited | Administrative & support | 2006 |
| Christianse Limited | Wholesale & retail | 2025 |
| CHS Electrical (UK) Limited | Construction | 2003 |
| Churchstone Properties Ltd | Real estate | 1998 |
| Ciceley Commercials Limited | Wholesale & retail | 1992 |
| Ciceley Continental Limited | Wholesale & retail | 1992 |
| Ciceley Limited | Wholesale & retail | 1941 |
| Ciic Properties Ltd | Real estate | 2022 |
| Cirque Limited | Information & communication | 1994 |
| Cissy Green Limited | Manufacturing | 2003 |
| Citeglen Properties Limited | Real estate | 1961 |
| Citizens Advice Lancashire West | Other services | 1999 |
| City Racing Limited | Arts & recreation | 2012 |
| Cityblock Development Limited | Construction | 2002 |
| Cityblock Holdings Limited | Construction | 2002 |
| Cityblock Lettings Limited | Real estate | 2002 |
| Cj's Sandwich Shop Limited | Hospitality | 2005 |
| CJC Trenching & Excavation Limited | Construction | 2006 |
| Clanfine Properties Limited | Real estate | 1961 |
| Clare and Howard Limited | Health & social care | 2006 |
| Claremont Sandy Ltd | Wholesale & retail | 2025 |