| CC Private Day Nursery Holdings Limited | Financial services | 2019 |
| CCL Alternative Education Ltd | Education | 2023 |
| CDC Attrill Limited | Real estate | 2012 |
| Celina Digby Ltd | Professional & scientific | 2018 |
| Celran Limited | Real estate | 2018 |
| Cense Accounting Limited | Professional & scientific | 2025 |
| Centeno International Limited | Administrative & support | 2017 |
| Central Medi-Equip Ltd | Wholesale & retail | 2003 |
| Centric Business Limited | Information & communication | 2004 |
| CF Macdonald Ltd | Real estate | 2018 |
| Cglobal Ltd | Wholesale & retail | 2016 |
| Chadwick Carpentry & FIX Ltd | Construction | 2017 |
| Chain Additives Ltd | Other services | 2017 |
| Chalice Developments Limited | Real estate | 2018 |
| Challenger Holdings Limited | Financial services | 2023 |
| Challenger Site Services (NW) Limited | Water & waste | 2023 |
| Challenger Site Services LLP | | 2016 |
| Chambers Inc. Ltd | Manufacturing | 2004 |
| Chambers of Beauty Limited | Wholesale & retail | 2018 |
| Champ Live Agency Ltd | Other services | 2025 |
| Channel 360 Ltd | Wholesale & retail | 2015 |
| Charles Macey Limited | Construction | 2016 |
| Cheap Cars MCR Limited | Wholesale & retail | 2025 |
| Cheb Investments Ltd | Real estate | 2024 |
| Cheb Properties Ltd | Real estate | 2024 |
| Chemmark Traders Ltd | Construction | 2023 |
| Chenguang Limited | Hospitality | 2021 |
| Cheshire Climate Control Limited | Energy | 2005 |
| Chicago Pizza (Runcorn) Limited | Hospitality | 2019 |
| Chick Corner Ashton Ltd | Hospitality | 2019 |
| Chick Station Ltd | Hospitality | 2019 |
| Children's Choice Day Nursery Ltd | Health & social care | 2019 |
| Chilly Pickle Ltd | Hospitality | 2022 |
| Choice Estates (Northwest) Limited | Other services | 2010 |
| Choice Homes Tameside Ltd | Administrative & support | 2008 |
| Choice Lettings (Northwest) Ltd | Administrative & support | 2009 |
| Christ Church Community Developments | Hospitality | 2006 |
| Chrysalis PCT Limited | Professional & scientific | 2013 |
| Church of the Nazarene-British Isles South District | Other services | 2009 |
| Churrazon Ltd | Hospitality | 2021 |
| Chute Bar Limited | Hospitality | 2024 |
| Chymira Ltd | Real estate | 2015 |
| Cinders Beauty Clinic Ltd | Other services | 2021 |
| Circo Sorprende Ltd | Arts & recreation | 2024 |
| City Build Solutions Ltd | Construction | 2025 |
| Cityscape Luxury Apartments Limited | Real estate | 2024 |
| Civils Rail Partnership Ltd | Manufacturing | 2019 |
| CJ Bush Property Limited | Construction | 2026 |
| CJ FOX Solutions Ltd. | Wholesale & retail | 2016 |
| CJF Installations Ltd | Construction | 2019 |
| CJM Electrical Services Ltd | Construction | 2017 |
| CJM Holdings Group Ltd | Financial services | 2026 |
| CJM Residential Ltd | Real estate | 2026 |
| CJM Utilities Ltd | Information & communication | 2021 |
| CK Trade Ltd | Information & communication | 2022 |
| Claim Free Boiler Ltd | Construction | 2024 |
| Claire Clegg Mortgages Ltd | Financial services | 2026 |
| Clarence Arcade Limited | Real estate | 2024 |
| Classy MCR Construction Ltd | Construction | 2026 |
| Clean Your Screens Ltd | Wholesale & retail | 2020 |
| Cleanertimesmanchester Ltd | Administrative & support | 2023 |
| Cleango Ltd | Other services | 2016 |
| Clear Mortgages (NW) Ltd | Financial services | 2020 |
| Clearpoint Property Ltd | Real estate | 2017 |
| Click ANG GET Online Limited | Wholesale & retail | 2025 |
| CLICK-4-CAB Ltd | Other services | 2010 |
| Climax Pro-Squash Limited | Wholesale & retail | 1994 |
| Clinic Scalers Ltd | Wholesale & retail | 2024 |
| Clonshall Limited | Construction | 1977 |
| Close Communications Limited | Health & social care | 2011 |
| Cmec Group Ltd | Real estate | 2025 |
| CMF Taverns Limited | Hospitality | 2025 |
| Cndl Limited | Real estate | 2019 |
| Cndl Proholdings Ltd | Real estate | 2020 |
| Coachmasters Ltd | Administrative & support | 2023 |
| Coated Steel Products Ltd | Manufacturing | 2013 |
| Cobach Ltd | Construction | 1997 |
| Cocker and Co Limited | Wholesale & retail | 2013 |
| Cockfields Farm Ltd | Arts & recreation | 2020 |
| Coco Nails and Spa Ltd | Other services | 2015 |
| Cogima Limited | Professional & scientific | 2018 |
| Cognoscenti Business Psychologists Limited | Professional & scientific | 2014 |
| Coley Recruitment Limited | Administrative & support | 2026 |
| Collinsjp Ltd | Hospitality | 2025 |
| Comcroft Ltd | Information & communication | 2026 |
| Comic CON Mania Ltd | Administrative & support | 2023 |
| Commercial 4X4 Prestige Ltd | Wholesale & retail | 2023 |
| Commercial Interventions Ltd | Professional & scientific | 2017 |
| Complete Filtration Solutions Limited | Wholesale & retail | 2004 |
| Complete Fire Systems Limited | Construction | 2004 |
| Compliance Solutions Hub Ltd | Professional & scientific | 2025 |
| Computech Turning Limited | Manufacturing | 2000 |
| Concrete Repair and Finishing Technicians Ltd | Construction | 2018 |
| Connect Building Projects Ltd | Construction | 2025 |
| Conphot Studios Limited | Information & communication | 2025 |
| Conscious Nutrition Ltd | Health & social care | 2019 |
| Consistant Sale Solutions Ltd | Real estate | 2019 |
| Consistant Sale Solutions NW Ltd | Real estate | 2024 |
| Consons Ltd | Construction | 2019 |
| Construction Contracts and Claims Limited | Professional & scientific | 2023 |