| C & C Leisure Ltd | Arts & recreation | 2017 |
| C & P Contracts Ltd | Administrative & support | 2023 |
| C and J P Decor Limited | Construction | 2002 |
| C Bower Limited | Information & communication | 2010 |
| C E T Management UK Limited | Education | 1997 |
| C H Communications Event Management Ltd | Administrative & support | 2010 |
| C J Construction (Cheshire) Limited | Construction | 2008 |
| C K Karate Ltd | Arts & recreation | 2022 |
| C M K Consulting Limited | Administrative & support | 2024 |
| C P R (NW) Limited | Professional & scientific | 2010 |
| C W Dowd Site Electrical Hire Limited | Construction | 1991 |
| C Z Lettings Limited | Real estate | 2025 |
| C&C Aggregates and Plant Limited | Water & waste | 2024 |
| C&D Resin Solutions Ltd | Administrative & support | 2026 |
| C&G Chidgey Ltd | Health & social care | 2021 |
| C&Ic Ltd | Extraterritorial | 2012 |
| C&Jg Ltd | Real estate | 2011 |
| C&M Properties (Cheadle) Limited | Real estate | 2016 |
| C&S Portfolio Ltd | Real estate | 2022 |
| C-H Autoworks Ltd | Wholesale & retail | 2023 |
| C.H.A.D.S. Holding Company Limited | Arts & recreation | 1952 |
| Caan Holdings Ltd | Financial services | 2026 |
| CAB and Car Ltd | Transport & logistics | 2018 |
| Cabin Kngs of Cheshire Ltd | Construction | 2022 |
| Cabinet House Ltd | Construction | 2024 |
| Cabinq Limited | Extraterritorial | 2016 |
| Cactus Life Sciences Limited | Health & social care | 2008 |
| Caerus Capital Limited | Wholesale & retail | 2017 |
| Cafe Unity 2014 | Other services | 2014 |
| Cafelito Limited | Wholesale & retail | 2014 |
| CAG Home Services Limited | Construction | 2025 |
| Cake Box Cheadle Ltd | Hospitality | 2023 |
| Cake Village Ltd | Manufacturing | 2026 |
| Calder Cooling Limited | Construction | 2026 |
| Callaghan Associates Limited | Real estate | 1999 |
| Callaghans Limited | Real estate | 1999 |
| Calm Kingdom Ltd | Wholesale & retail | 2020 |
| Calming Minds Therapy Supervision & Training Ltd | Health & social care | 2024 |
| Calpackaging Ltd | Administrative & support | 2023 |
| Calqlata Limited | Information & communication | 2012 |
| CAM Joinery Limited | Construction | 2002 |
| Camargue Chambers LLP | | 2011 |
| Camargue Wealth Limited | Financial services | 2016 |
| Cambridge Academy Limited | Education | 2013 |
| Camdentally Ltd | Health & social care | 2023 |
| Camelia Road Management Company Limited | Real estate | 2023 |
| Camera Ready Co Ltd | Other services | 2022 |
| Canal Street Macclesfield Limited | Construction | 2020 |
| Cancertain Limited | Professional & scientific | 2017 |
| Candlewick Capital Limited | Financial services | 2026 |
| CAP ATL Ltd | Arts & recreation | 2016 |
| Capricorn Conversions Ltd | Manufacturing | 2019 |
| Caprius (Europe) Limited | Hospitality | 2000 |
| Capstone FOX Holdings Ltd | Financial services | 2020 |
| Capstone FOX Ltd | Real estate | 2017 |
| Capstone Property Improvements Ltd | Construction | 2025 |
| Car Sphere Limited | Wholesale & retail | 2025 |
| Carabiner Limited | Extraterritorial | 2021 |
| Carabiner Sportswear Ltd | Wholesale & retail | 2016 |
| Caradix Consulting Limited | Professional & scientific | 2017 |
| Carbobasic Engineering Ltd | Professional & scientific | 2019 |
| Carbon Prime Ltd | Wholesale & retail | 2025 |
| Care & Education Management Services Ltd | Professional & scientific | 2026 |
| Care Covenant Ltd | Health & social care | 2022 |
| Care for YOU Medical Services Limited | Health & social care | 2023 |
| Carense Ltd | Manufacturing | 2019 |
| Cargo 2 Go (Holdings) Ltd | Financial services | 2021 |
| Cargo 2 Go (UK) Ltd | Transport & logistics | 2006 |
| Cargo 2 Go Trustees Limited | Administrative & support | 2023 |
| Cargo Consultancy Services Ltd | Transport & logistics | 2025 |
| Caring Travels Ltd | Transport & logistics | 2024 |
| Carl Mills Accountants Limited | Professional & scientific | 2015 |
| Carolefossey.Com Limited | Professional & scientific | 2015 |
| Caroline Dobson Limited | Health & social care | 2015 |
| Carpets Direct (Staffs) Limited | Wholesale & retail | 2010 |
| Carr-I-Freight Limited | Transport & logistics | 2003 |
| Carrernest Limited | Professional & scientific | 2025 |
| Carrwood Assets Ltd | Professional & scientific | 2024 |
| Carsaig Ltd | Professional & scientific | 2004 |
| Carter and Co Property Staging Ltd | Administrative & support | 2024 |
| Carzio Group Ltd | Wholesale & retail | 2026 |
| Casa Fabi Ltd | Financial services | 2018 |
| Casa Tapas HQ Limited | Hospitality | 2025 |
| Case HIT FC Limited | Wholesale & retail | 2026 |
| Caseridge Limited | Households | 1978 |
| Casero Ltd | Information & communication | 2026 |
| Caskledger Ltd | Information & communication | 2026 |
| Catacombs Trust | Health & social care | 1999 |
| Catalyst Medical Limited | Health & social care | 2009 |
| CB Plumbing & Heating NW Ltd | Construction | 2024 |
| CB1 Projects Ltd | Administrative & support | 2020 |
| Cbhm Limited | Real estate | 2025 |
| CBJ Developments Ltd | Construction | 2020 |
| CBJ Properties Limited | Real estate | 2000 |
| CC BIDCO1 Limited | Real estate | 2021 |
| CC BIDCO2 Limited | Real estate | 2021 |
| CC BIDCO3 Limited | Real estate | 2022 |
| CC BIDCO4 Limited | Real estate | 2024 |
| CC Shop Ltd | Hospitality | 2024 |
| CCS Recruitment (2006) Limited | Extraterritorial | 2006 |