| Creative Car Collective Ltd | Wholesale & retail | 2025 |
| Creative Cultural Development Ltd | Real estate | 2015 |
| Creative Finance Ltd | Information & communication | 2025 |
| Creative Interiors (Stoke) Limited | Wholesale & retail | 2016 |
| Creative Prompt Ltd | Information & communication | 2026 |
| Creative Signs (Midlands) Limited | Information & communication | 2006 |
| Creative Studios UK Limited | Information & communication | 2020 |
| Creative Training Academy Limited | Education | 2013 |
| Creativeo (2020) Limited | Arts & recreation | 2020 |
| Credible Care Ltd | Administrative & support | 2023 |
| Crenaeus Risk Services Limited | Professional & scientific | 2011 |
| Crenoon Holdings Limited | Financial services | 2023 |
| Crenoon Limited | Administrative & support | 1981 |
| Crescendo Choices Limited | Real estate | 2014 |
| Crescent Residential Limited | Real estate | 2026 |
| Crescimento Living Ltd | Hospitality | 2026 |
| Cresswell 1955 Limited | Extraterritorial | 2014 |
| Creston Care and Services Ltd | Administrative & support | 2025 |
| CRFF2024 Ltd | Hospitality | 2024 |
| Crfm Solutions Limited | Construction | 2024 |
| CRH Projects Ltd | Construction | 2025 |
| Crighton Engineering Ltd | Professional & scientific | 2021 |
| Cris Auto Ltd | Transport & logistics | 2023 |
| Cristian Transport Ltd | Transport & logistics | 2015 |
| Croft Cottage Advisory Limited | Professional & scientific | 2023 |
| Croft Lane Developments Limited | Construction | 2021 |
| Cromartie Hobbycraft Limited | Wholesale & retail | 1994 |
| Cronins Groundworks & Landscaping Ltd | Construction | 2022 |
| Cropper Grounds Maintenance Ltd | Administrative & support | 2001 |
| Cropper Holdings Limited | Financial services | 2018 |
| Croptt Ltd | Wholesale & retail | 2024 |
| Cross Lane Barns Limited | Construction | 2020 |
| Cross Rhythms | Information & communication | 1997 |
| Crosskeys Public House Tean Limited | Hospitality | 2019 |
| Crossroads Care Staffordshire Limited | Health & social care | 1994 |
| Crowgutter Farm Ltd | Agriculture & fishing | 2022 |
| Crown Car Services Ltd | Transport & logistics | 2016 |
| Crown Clarence Limited | Manufacturing | 1975 |
| Crown Estates & Property Management Ltd | Real estate | 2003 |
| Crown Hotel Bicester Limited | Real estate | 2023 |
| Crown Hotel Tollgate Limited | Hospitality | 2021 |
| Crown Hotel Tunstall Limited | Hospitality | 2021 |
| Crown Motors Bushey Heath (Distributors) Limited | Wholesale & retail | 2003 |
| Crown Motors Bushey Heath (Holdings) Ltd | Wholesale & retail | 2020 |
| Crown Music Records Limited | Information & communication | 2024 |
| Crown Property Services Limited | Professional & scientific | 2001 |
| Crown Rail & Resourcing Ltd. | Construction | 2017 |
| Crown Rental Agency Limited | Administrative & support | 2001 |
| Crownpeak Ltd | Wholesale & retail | 2024 |
| Crowns Cove Limited | Wholesale & retail | 2024 |
| Crowsun Limited | Financial services | 2018 |
| Crre Limited | Extraterritorial | 2024 |
| Crumbs Family Bakery Ltd | Wholesale & retail | 2025 |
| Crust Systems Limited | Professional & scientific | 2025 |
| Cruttfield Services Limited | Energy | 2024 |
| Crvs Services Ltd | Wholesale & retail | 2021 |
| Cryohd Limited | Health & social care | 2015 |
| Cryptic Trading Ltd | Wholesale & retail | 2024 |
| Crypto COM Meme Coin Ltd | Financial services | 2024 |
| Crystal Clear Money Limited | Administrative & support | 2009 |
| Crystal Clear Pet Products Ltd | Wholesale & retail | 2003 |
| Crystal Financial Planning Ltd | Financial services | 2010 |
| Crystal Polishing Company Limited | Manufacturing | 1970 |
| Crystal Support Limited | Administrative & support | 2025 |
| Crystaltech Limited | Manufacturing | 2008 |
| CSC Fleet Services Limited | Wholesale & retail | 2016 |
| CSC Group Holdings Limited | Financial services | 2020 |
| CSG Limited | Information & communication | 2003 |
| CSH Travel Ltd | Transport & logistics | 2022 |
| CSS Estates Limited | Real estate | 2023 |
| CSS Property Limited | Real estate | 2017 |
| CT Signs Limited | Manufacturing | 2015 |
| CTD Motors Limited | Wholesale & retail | 2016 |
| CTF Mirpur Ltd | Hospitality | 2025 |
| CTM Scaffolding Solutions Ltd | Construction | 2019 |
| CTR Capital Group Ltd | Real estate | 2024 |
| Ctrlsys Ltd | Information & communication | 2018 |
| CTV Group Ltd | Construction | 2026 |
| Cube Properties Stoke Ltd | Real estate | 2024 |
| Cubosteel International Limited | Administrative & support | 2006 |
| Cuddle Couture Ltd | Wholesale & retail | 2026 |
| Cuddle Nest Ltd | Wholesale & retail | 2026 |
| Cultural Zebra Ltd | Professional & scientific | 2020 |
| Culture Volunteer North Staffordshire CIC | Education | 2026 |
| Culture& Arts and Heritage | Education | 1988 |
| Cumpanasu Trans Limited | Transport & logistics | 2019 |
| Cupola Mill Design Limited | Professional & scientific | 2020 |
| Cups on Strings Limited | Arts & recreation | 2026 |
| Cura Leadership Ltd | Professional & scientific | 2026 |
| Curious Escapes Ltd | Hospitality | 2025 |
| Curlew Advisory Limited | Professional & scientific | 2026 |
| Curo Aesthetics Limited | Health & social care | 2012 |
| Curo Clinic Limited | Health & social care | 2013 |
| Curo Healthcare Services Limited | Health & social care | 2012 |
| Curriculumology Ltd | Education | 2024 |
| Currie Young (Holdings) Limited | Professional & scientific | 2016 |
| Curry 365 Ltd | Hospitality | 2017 |
| Curry Charm Ltd | Hospitality | 2026 |
| Curry R US Ltd | Hospitality | 2018 |
| Curry Vale Ltd | Hospitality | 2026 |