| Creative Marketing (SW) Ltd | Information & communication | 2017 |
| Creative Marketing (WM) Ltd | Professional & scientific | 2021 |
| Creative Marketing Group Limited | Professional & scientific | 2023 |
| Creative Networks Limited | Information & communication | 2005 |
| Creche-N-Co Ltd | Health & social care | 1990 |
| Cremélle Ltd | Wholesale & retail | 2026 |
| Crescent Covers Ltd | Wholesale & retail | 2026 |
| Crescent Media Ltd | Manufacturing | 2020 |
| Crescent Nursery Spotland Ltd | Education | 2015 |
| Crescente Property Limited | Real estate | 2022 |
| Crewe Commercial Industries Limited | Construction | 2015 |
| Crewe Industrial Services Limited | Wholesale & retail | 1996 |
| Crewe Industries Limited | Construction | 1998 |
| Crewe Wheeldon Property Limited | Real estate | 2024 |
| Cribdem Ltd | Administrative & support | 2024 |
| Crimble Funeral Services and Carriagemasters Ltd | Other services | 2023 |
| Crimble Wood Developments Limited | Construction | 1997 |
| CRL Sports Ltd | Arts & recreation | 2023 |
| Crome Limited | Administrative & support | 2011 |
| Crossjab Limited | Wholesale & retail | 2020 |
| Crossley Concrete Pumping Limited | Administrative & support | 2018 |
| Crossley Developments Group Ltd | Real estate | 2025 |
| Crossley Renewables Limited | Real estate | 2020 |
| Crowley & Patton Property Limited | Real estate | 2024 |
| Crown & Glory Beauty Limited | Other services | 2025 |
| Crown Home Furniture Ltd | Wholesale & retail | 2024 |
| Crown Key Estates Ltd | Real estate | 2026 |
| Crown Rentals and Services Limited | Administrative & support | 2025 |
| Crowther Developments Ltd | Real estate | 2025 |
| Crui.Se OTA Limited | Administrative & support | 2023 |
| Cruisebyphone Ltd | Administrative & support | 2019 |
| Cruiser Rental Ltd | Administrative & support | 2025 |
| Crumpsall Junction Ltd | Wholesale & retail | 2012 |
| Cryers Butchers Limited | Wholesale & retail | 2016 |
| Crystal Airport Transfer Ltd | Transport & logistics | 2023 |
| Crystal Blue IT Solutions Limited | Information & communication | 2019 |
| Crystal Clean Carwash Rochdale Limited | Administrative & support | 2015 |
| Crystal Corporations Ltd | Construction | 2024 |
| Crystal Doors (EOT) Limited | Financial services | 2023 |
| Crystal Doors Holdings Limited | Real estate | 1997 |
| Crystal Doors Limited | Manufacturing | 1994 |
| Crystal Rubber Limited | Wholesale & retail | 2001 |
| CS Manchester Road Limited | Construction | 2023 |
| CSE Services Ltd | Other services | 2015 |
| CSF Couriers Ltd | Transport & logistics | 2025 |
| CT Dent Removal Limited | Wholesale & retail | 2024 |
| CT Fish Limited | Hospitality | 2024 |
| Cthesolution Limited | Professional & scientific | 2024 |
| CTR Projects Limited | Other services | 2016 |
| Ctrlshiftr Ltd | Information & communication | 2021 |
| CTS Servicing and Repair Centre Ltd | Wholesale & retail | 2020 |
| Culco Joinery Ltd | Construction | 2024 |
| Culco Projects Limited | Construction | 2020 |
| Cuneiform Labs Ltd | Information & communication | 2025 |
| Cuppa Boba Ltd | Hospitality | 2021 |
| Custom Number Plates Ltd | Wholesale & retail | 2019 |
| Customized MCR Limited | Wholesale & retail | 2024 |
| CUT Rate Ltd | Wholesale & retail | 2024 |
| Cuts by Zain Ltd | Other services | 2026 |
| CV WDS Holdings Ltd | Financial services | 2024 |
| CVF Group Limited | Wholesale & retail | 2005 |
| Cvisibility Ltd | Administrative & support | 2013 |
| CW Landscapes and Construction Ltd | Administrative & support | 2022 |
| CW Marlin Property Ltd | Real estate | 2021 |
| CWM Sports Consultancy Limited | Arts & recreation | 2018 |
| CWN Scaffolding Ltd | Construction | 2025 |
| Cycle Addicts UK Ltd | Wholesale & retail | 2012 |
| Cynffig Factors Limited | Wholesale & retail | 1969 |
| Cyro Services Ltd | Administrative & support | 2017 |
| Cysec Group Holdings Ltd | Financial services | 2020 |
| Cysec Professionals Ltd | Information & communication | 2016 |
| D & B Catering Ltd | Administrative & support | 2007 |
| D & M Drogan Limited | Construction | 2017 |
| D & S Tippers Ltd | Construction | 2023 |
| D and H Gaming Ltd | Wholesale & retail | 2023 |
| D and W Cars Ltd | Wholesale & retail | 2014 |
| D Crossley Ltd | Professional & scientific | 2024 |
| D D Autos (Rochdale) Ltd | Wholesale & retail | 2018 |
| D H Ducting Limited | Construction | 2018 |
| D H Lees & Sons Limited | Wholesale & retail | 2008 |
| D Hillen Electrical Services Ltd | Construction | 2013 |
| D I H Designs Ltd | Professional & scientific | 1996 |
| D J Hughes Properties Limited | Real estate | 2013 |
| D J Pizza Bar Limited | Hospitality | 2018 |
| D K Energy Systems Limited | Construction | 2011 |
| D Kirby Builders & Joiners Limited | Construction | 2006 |
| D Stapleton Brickwork & Landscapes Ltd | Administrative & support | 2023 |
| D&D Luxury Ltd | Wholesale & retail | 2024 |
| D&G Joinery (NW) Ltd | Construction | 2015 |
| D&J Landscapes Ltd | Administrative & support | 2025 |
| D&N Services Ltd | Health & social care | 2017 |
| D&T Mabo's Care Limited | Health & social care | 2023 |
| D&V Titan Ltd | Construction | 2023 |
| D&W Electrical Ltd | Construction | 2026 |
| D. Cunningham Roofing & Leadwork Limited | Construction | 2024 |
| D. Hughes and SON (Metals) Limited | Transport & logistics | 1985 |
| D.A. Winnard Building Solutions Ltd | Construction | 2022 |
| D.G. Doweck & Company Limited | Construction | 1979 |
| D.S. Roofing and Cladding Limited | Construction | 2003 |
| D2D Fixings Ltd | Extraterritorial | 2024 |