| Casavera Ltd | Wholesale & retail | 2025 |
| Casual Outfitters Limited | Wholesale & retail | 2024 |
| Cat Lees Physiotherapy Ltd | Health & social care | 2023 |
| Cayman Properties Ltd | Construction | 2006 |
| CB Groundscapes Ltd | Administrative & support | 2018 |
| Cbreeze Jerk Restaurant Limited | Hospitality | 2015 |
| CCL Rebate Limited | Administrative & support | 2024 |
| Cdeecom Limited | Wholesale & retail | 2025 |
| CDI David Trans Ltd | Transport & logistics | 2022 |
| Cedar Tree Childcare Limited | Extraterritorial | 2020 |
| Central Guest House Hotel Ltd | Hospitality | 2019 |
| Certax Accounting (Nelson) Ltd | Professional & scientific | 2021 |
| CF7 Construction Ltd | Construction | 2016 |
| CFE Lighting Ltd | Manufacturing | 2015 |
| Chacha Jewellers Nelson Limited | Wholesale & retail | 2023 |
| Chai Cafe Pendle Ltd | Hospitality | 2025 |
| Chai Guys Diner Ltd | Hospitality | 2021 |
| Chai Khanna Ltd | Hospitality | 2019 |
| Chalmers & Carter Property Ltd | Real estate | 2026 |
| Change Creative Ltd | Manufacturing | 2019 |
| Changing Directions Associates Limited | Health & social care | 2015 |
| Chantelle Lighting (Europe) Limited | Wholesale & retail | 2009 |
| Charta Financial Ltd | Financial services | 2020 |
| Chasing Change Limited | Hospitality | 2021 |
| Cheerdance UK Limited | Arts & recreation | 2015 |
| Cheshire Food Traders Ltd | Wholesale & retail | 2015 |
| Chick Banyan Ltd | Hospitality | 2018 |
| Chickaros Manchester Management Limited | Professional & scientific | 2025 |
| Chicken Indulge Limited | Hospitality | 2025 |
| Chico Cuts Ltd | Other services | 2026 |
| Chiefs Limited | Hospitality | 2023 |
| Chill 'N' Chat Ltd | Hospitality | 2014 |
| China Chef Nelson Limited | Hospitality | 2023 |
| CHL Corporate Limited | Financial services | 2023 |
| Choose Mobility Limited | Other services | 2019 |
| Chota PEG and Lime Limited | Wholesale & retail | 2016 |
| Choudrys Store Limited | Wholesale & retail | 2023 |
| Chris Bell PSR Ltd | Professional & scientific | 2024 |
| Christian Marshall Roofing Ltd | Construction | 2021 |
| Christina Clegg Financial Planning Services Limited | Financial services | 2015 |
| Christopher Greenwood Property Ltd | Real estate | 2020 |
| CHS Trade Ltd | Wholesale & retail | 2026 |
| Chunger Traders Ltd | Wholesale & retail | 2025 |
| Churchill House Ltd | Professional & scientific | 2013 |
| Cibl Limited | Information & communication | 2008 |
| Cirrus IT Services (UK) Limited | Information & communication | 2013 |
| Citadel Training Ltd | Education | 2025 |
| City of Memories Limited | Wholesale & retail | 2016 |
| Ckefa Software Ltd | Information & communication | 2016 |
| Claire Smith Dog Grooming Ltd | Other services | 2021 |
| Clarion Partners Limited | Information & communication | 2025 |
| Clarkson Textiles Limited | Manufacturing | 1983 |
| Class ACT Recruitment Ltd | Administrative & support | 2023 |
| Classic Shirtings Limited | Wholesale & retail | 1994 |
| Clause & Effect Legal Ltd | Professional & scientific | 2025 |
| Claytime Limited | Professional & scientific | 2014 |
| Clayton Properties Management Limited | Real estate | 2013 |
| CLD Trading Limited | Wholesale & retail | 2020 |
| Cleaners Near ME Ltd | Administrative & support | 2020 |
| Cleaning DOM Care Limited | Administrative & support | 2024 |
| Cleaning for Brighter Days Ltd | Administrative & support | 2023 |
| Clear Ears Health Ltd | Health & social care | 2023 |
| Click & Deliver (Cheshire) Ltd | Wholesale & retail | 2019 |
| Click Profits Ltd | Information & communication | 2008 |
| Clickflick Solutions Limited | Wholesale & retail | 2023 |
| Climate Control Support Limited | Construction | 2014 |
| Climostat Limited | Professional & scientific | 2003 |
| Cllub Creative Ltd. | Information & communication | 2023 |
| Cloud Moves TV Limited | Information & communication | 2014 |
| Clough Construction Limited | Construction | 2023 |
| Clough Group Limited | Real estate | 2026 |
| Clough Holdings Limited | Real estate | 2021 |
| Clover Auto Engineering Limited | Wholesale & retail | 2017 |
| Cloverhilllogisticd Ltd | Transport & logistics | 2026 |
| Club 147 Snooker Hall Ltd | Arts & recreation | 2026 |
| Clutton Construction Limited | Construction | 2018 |
| CM Decorative Supplies Ltd. | Wholesale & retail | 2012 |
| CM Greenwood & Sons Property Investment Ltd | Financial services | 2021 |
| CM Housing Ltd | Construction | 2024 |
| CMA Partnership Limited | Transport & logistics | 2015 |
| Coastal Gifts and Souvenir Ltd | Wholesale & retail | 2022 |
| Coco Cubana's Ltd | Hospitality | 2019 |
| Coco Gelato Franchise Ltd | Hospitality | 2018 |
| Coco Gelato Manufacturing Ltd | Wholesale & retail | 2018 |
| Code Attire Ltd | Wholesale & retail | 2025 |
| Colleen G LEA Ltd | Wholesale & retail | 2024 |
| Colne Local Store Ltd | Wholesale & retail | 2017 |
| Colne Roofing Supply Ltd | Wholesale & retail | 2023 |
| Colne Valley Preservations Ltd | Construction | 2016 |
| Colourzz Ltd | Manufacturing | 2023 |
| Comfort Blinds Ltd | Manufacturing | 2012 |
| Comfort Linen & Cotton Ltd | Manufacturing | 2019 |
| Comfort Sitting Limited | Manufacturing | 2025 |
| Comfort Utilities Ltd | Professional & scientific | 2020 |
| Comfortbathe Ltd | Construction | 2024 |
| Comfovity Ltd | Wholesale & retail | 2019 |
| Community Arts by ZK CIC | Education | 2019 |
| Compacc Ltd | Professional & scientific | 2023 |
| Compete Advance Limited | Professional & scientific | 2010 |
| Complete Staging Ltd | Arts & recreation | 2021 |