| Creams & Cones Enterprise Ltd | Hospitality | 2026 |
| Create Event Production Ltd | Administrative & support | 2020 |
| Creating Happiness Together CIC | Education | 2024 |
| Creative Awards Limited | Manufacturing | 1997 |
| Creative Blinds Ltd | Wholesale & retail | 2019 |
| Creative Ceilings & Floors Limited | Wholesale & retail | 2008 |
| Creative Child Ltd | Education | 2016 |
| Creative Corner After School Club Limited | Education | 2024 |
| Creative Desserts Ltd | Hospitality | 2020 |
| Creative Dimensions (Yorkshire) Ltd. | Professional & scientific | 2019 |
| Creative Flare Yorkshire C.I.C. | Arts & recreation | 2014 |
| Creative Learning Academy Limited | Education | 2014 |
| Creative Notion Co. Ltd | Professional & scientific | 2018 |
| Creative Publishing Limited | Extraterritorial | 1955 |
| Creative Solutions Marketing Limited | Professional & scientific | 2025 |
| Creative Thinking Media Ltd | Professional & scientific | 2018 |
| Creative Wholesale Supplies Limited | Wholesale & retail | 2023 |
| Creativebit UK Ltd | Wholesale & retail | 2018 |
| CREATIVECAKES1 Ltd | Manufacturing | 2020 |
| CREATIVECAKES2 Ltd | Wholesale & retail | 2025 |
| Credas Property Group Ltd | Real estate | 2020 |
| Credence Workforce Ltd | Administrative & support | 2026 |
| Credipro Ltd. | Professional & scientific | 2023 |
| Credora Consulting Limited | Professional & scientific | 2025 |
| Creme Dela Creme Gelato Ltd | Hospitality | 2024 |
| Creme Dela Creme Group Ltd | Hospitality | 2017 |
| Creme to Your Door Ltd | Wholesale & retail | 2019 |
| Creo-Uk Ltd | Administrative & support | 2026 |
| Crepstocks Ltd | Wholesale & retail | 2022 |
| Crescent Clover Limited | Real estate | 2016 |
| Crescent Customz Ltd | Wholesale & retail | 2025 |
| Crescent Estates (Ilkley) Limited | Real estate | 1970 |
| Crescent Relief (London) | Administrative & support | 2000 |
| Crescent Voyages UK Ltd | Administrative & support | 2025 |
| Crest Tyre Company Limited | Manufacturing | 2002 |
| Crestview Construction Ltd | Construction | 2025 |
| Crestwell Healthcare Ltd | Administrative & support | 2026 |
| Crew 392 Cars Limited | Wholesale & retail | 2024 |
| CRG Rentals Limited | Real estate | 2025 |
| Cricket Lockers Limited | Wholesale & retail | 2020 |
| Cricketers View Limited | Households | 2024 |
| Cricketers Way Management Company Limited | Households | 1993 |
| Criminal Injury Solicitors Ltd | Professional & scientific | 2019 |
| Crisis Care Limited | Health & social care | 2026 |
| Crispy COD Albany Ltd | Hospitality | 2015 |
| Cristina’S Health Care Ltd | Health & social care | 2025 |
| Critical Path Projects Limited | Construction | 2025 |
| CRM Experts Group Ltd | Information & communication | 2018 |
| Croc Sock Ltd | Wholesale & retail | 2024 |
| Crofton Hotel Ltd | Real estate | 2021 |
| Croftstone Construction Limited | Construction | 2016 |
| Crompton Lamps Limited | Manufacturing | 2005 |
| Crompton Sykes Limited | Real estate | 2025 |
| Cromwell UK Ltd | Construction | 2007 |
| Croqe Ltd | Information & communication | 2013 |
| Crosby Fireplace Installations Ltd | Construction | 2022 |
| Cross Country Auto Tools Ltd | Wholesale & retail | 2026 |
| Cross Green Developments Limited | Construction | 2010 |
| Cross Tree (Byfield) Limited | Hospitality | 2013 |
| Crossley Hall (Flat Management) Limited | Households | 1975 |
| Crossley News Ltd | Wholesale & retail | 2013 |
| Crossways Commercials Ltd | Wholesale & retail | 2021 |
| Crow CAD Ltd | Professional & scientific | 2019 |
| Crowdpoint Limited | Wholesale & retail | 2026 |
| Crowdtickets Limited | Wholesale & retail | 2025 |
| Crowley Property Developments Ltd | Construction | 2021 |
| Crown Automation Limited | Wholesale & retail | 2021 |
| Crown Automotive Limited | Wholesale & retail | 2024 |
| Crown Comforts Ltd | Manufacturing | 2022 |
| Crown CUT Investments Ltd | Manufacturing | 2025 |
| Crown Foods (Bradford) Ltd | Manufacturing | 2023 |
| Crown Foods Group Limited | Hospitality | 2024 |
| Crown Horizons Holdings Limited | Financial services | 2024 |
| Crown Horizons Limited | Real estate | 2024 |
| Crown Ivegate Limited | Hospitality | 2022 |
| Crown Lymm Limited | Hospitality | 2018 |
| Crown Shopfronts Limited | Manufacturing | 2025 |
| Crown Travel (UK) Limited | Administrative & support | 2001 |
| Crownies Ltd | Manufacturing | 2025 |
| Crownsan Ltd | Professional & scientific | 2018 |
| Crownshift Marketing Ltd | Professional & scientific | 2026 |
| Crownsmill Property Limited | Real estate | 2024 |
| Crownstone Interiors Ltd | Construction | 2026 |
| Crownville Solutions Limited | Information & communication | 2000 |
| Crownxpress Ltd | Wholesale & retail | 2025 |
| Croydon Car Wash Ltd | Other services | 2015 |
| Crucial Engineering Ltd | Construction | 2016 |
| Crucial Holdings Limited | Financial services | 2021 |
| Crumbb Bakehouse Limited | Hospitality | 2025 |
| Crumbb Ltd | Hospitality | 2026 |
| Crunch Construction Limited | Extraterritorial | 2009 |
| Cryotec UK Limited | Manufacturing | 2007 |
| CRYPT0C Ltd | Information & communication | 2022 |
| Cryptomal Limited | Financial services | 2025 |
| Crystal Apartments Limited | Hospitality | 2023 |
| Crystal Crescent Ltd | Wholesale & retail | 2026 |
| Crystal Culture Ltd | Health & social care | 2019 |
| Crystal Gardens Project CIC | Education | 2021 |
| Crystal Home Care Ltd | Health & social care | 2020 |
| Crystal Rays Embellishments Ltd | Wholesale & retail | 2015 |