| Craig Broadhead Consulting Limited | Information & communication | 2013 |
| Craig Sharp Housing Ltd | Real estate | 2019 |
| Craigralph Ltd | Real estate | 2025 |
| Crammond Cottages Limited | Real estate | 2005 |
| Cranberry Farm Limited | Households | 2022 |
| Cranden Press Print Ltd | Manufacturing | 2021 |
| Crane Couriers Limited | Transport & logistics | 2024 |
| Craneformers Ltd | Professional & scientific | 2018 |
| Crank Homes Ltd | Real estate | 2026 |
| Crankshaw Property Limited | Real estate | 2021 |
| Craven Electrical & Security Ltd | Construction | 2002 |
| Crawford Motor Company Limited | Extraterritorial | 2011 |
| Crawshaws Rochdale Ltd | Manufacturing | 2019 |
| Cray Networks Limited | Administrative & support | 2006 |
| Crazy Wisdom Limited | Professional & scientific | 2011 |
| Crboutlet Limited | Wholesale & retail | 2023 |
| CRE8 Project Surveyors Ltd | Construction | 2018 |
| CRE85 Ltd | Construction | 2021 |
| CRE8IV Group Ltd | Information & communication | 2022 |
| CREA8IVE Network Solutions Limited | Information & communication | 2008 |
| Create IT Merseyside Limited | Arts & recreation | 2015 |
| Create Your Inner World Limited | Information & communication | 2025 |
| Create Your Inner World SPV2 Ltd | Real estate | 2025 |
| Creation Honey Ltd | Agriculture & fishing | 2021 |
| Creations KJ Ltd | Information & communication | 2025 |
| Creationsforklay Limited | Wholesale & retail | 2026 |
| Creative Arts and Beauty Ltd | Other services | 2026 |
| Creative Business Assist Limited | Other services | 2020 |
| Creative Driveways of Lancashire Limited | Construction | 2012 |
| Creative Force Films Limited | Information & communication | 2001 |
| Creative Homes N.W. Limited | Construction | 2018 |
| Creative Media Castle Limited | Information & communication | 2023 |
| Creative Media LAB Ltd | Information & communication | 2026 |
| Creative Talk Studio Limited | Professional & scientific | 2025 |
| Creative Thought Consultancy Limited | Information & communication | 2014 |
| Creative Upvc Manufacturing Limited | Administrative & support | 2007 |
| Creative Venue Stylists Ltd | Administrative & support | 2020 |
| Creativecaravan Ltd | Other services | 2016 |
| Creatives on the Couch Ltd | Administrative & support | 2024 |
| Creativity Works Preston | Education | 2014 |
| Credifoods Convenience Store Ltd | Wholesale & retail | 2024 |
| Creoforma Limited | Professional & scientific | 2016 |
| Crescent Education Limited | Education | 2025 |
| Creslo AI Ltd | Information & communication | 2026 |
| Crest Fire and Security Solutions Ltd | Administrative & support | 2020 |
| Crest Vegetation Management Services Ltd | Agriculture & fishing | 2025 |
| Crest VM UK Ltd | Agriculture & fishing | 2026 |
| Crestex Ties Limited | Extraterritorial | 1970 |
| Crestpoint Supply Ltd | Wholesale & retail | 2026 |
| Cricketers Inns Northern Quarter Limited | Hospitality | 2016 |
| Criminal Law Lawyers Limited | Professional & scientific | 2023 |
| Crimpers Hair Ltd | Other services | 2016 |
| Crispy Pizza Ltd | Hospitality | 2014 |
| Cristi Olteanu Ltd | Transport & logistics | 2025 |
| Cristian Balasca Courier Ltd | Transport & logistics | 2024 |
| Crit Air Limited | Information & communication | 2025 |
| Crit Air Vignette Limited | Information & communication | 2025 |
| Critec Consult Limited | Administrative & support | 2001 |
| Critec Group Ltd | Professional & scientific | 2018 |
| Critical Ventilation Solutions Ltd | Professional & scientific | 2026 |
| Croft Butts Management Company Limited | Households | 2018 |
| Croft Complete Homes Limited | Construction | 1994 |
| Croft Hathaway Limited | Real estate | 2016 |
| Croft Manor Services Limited | Real estate | 1999 |
| Croft Pods Ltd | Extraterritorial | 2020 |
| Croft Property Holdings Limited | Real estate | 1998 |
| Croft Services (NW) Ltd | Construction | 2024 |
| Croftpak Limited | Extraterritorial | 2016 |
| Cromies Construction Ltd | Construction | 2025 |
| Cromwell Forestry Limited | Administrative & support | 2014 |
| Cromwell Logistics Ltd | Transport & logistics | 2026 |
| Cromwell Tree & Landscape Limited | Administrative & support | 2025 |
| Cronshaw Facilities Management Ltd | Construction | 2013 |
| Crook Estates Limited | Financial services | 2026 |
| Crookes Properties Ltd | Real estate | 2025 |
| Crosby Fresh Limited | Hospitality | 2021 |
| Crosby Fresh Outside Catering Limited | Hospitality | 2026 |
| Crosington Ltd | Real estate | 2019 |
| Croskery Signs Ltd | Other services | 2024 |
| Cross Bay Roasters Ltd | Manufacturing | 2024 |
| Cross Country Caravan & Motorhome Buyer Ltd | Wholesale & retail | 2021 |
| Cross Haulage Limited | Transport & logistics | 2018 |
| Crossens Group Limited | Construction | 2019 |
| Crossgate Church Ltd | Other services | 2007 |
| Crossley Properties Limited | Real estate | 1995 |
| Crossman & Walsh Luxury Homes Limited | Construction | 2023 |
| Crossmoor Building Ltd | Construction | 2008 |
| Crossroads Bistro Ltd | Hospitality | 2025 |
| Crosswin Limited | Professional & scientific | 2022 |
| Crosthwaite & Gilpin Ltd | Hospitality | 2021 |
| Croston Electrical Contractors Limited | Construction | 2014 |
| Croston Garages Limited | Wholesale & retail | 2017 |
| Croston Road Chippy Ltd | Wholesale & retail | 2022 |
| Crow Foot Fold Management Company Limited | Households | 2020 |
| Crowd Safety Solutions Consultancy Limited | Administrative & support | 2024 |
| Crown Care Services Ltd | Administrative & support | 2018 |
| Crown Construction (Lancs) Ltd | Construction | 2002 |
| Crown Edge Estate Limited | Real estate | 2025 |
| Crown Investment Properties Limited | Real estate | 2020 |
| Crown Junction Ltd | Wholesale & retail | 2024 |