| Chimney View Ltd | Real estate | 2024 |
| Chipping Norton Enterprise Limited | Wholesale & retail | 2014 |
| Chips & Dips Limited | Hospitality | 2024 |
| Chishtiya Ribbat | Education | 2025 |
| Chitra Ltd | Information & communication | 2025 |
| Chlojay Enterprises Ltd | Wholesale & retail | 2023 |
| Chocotree UK Chocolate & Bakery Ltd | Manufacturing | 2025 |
| Choice Support and Transport | Health & social care | 2008 |
| Chola Logistics Ltd | Transport & logistics | 2026 |
| Cholo Digital Limited | Information & communication | 2017 |
| Chorlton Apartment Ltd | Real estate | 2021 |
| Chorlton Express Transport Limited | Transport & logistics | 2002 |
| Chorlton Planning Limited | Professional & scientific | 2004 |
| Choudhury Vision Limited | Health & social care | 2021 |
| Choupan Kitchen Ltd | Hospitality | 2025 |
| Chow Project Limited | Administrative & support | 2024 |
| Chowdhury Assets Ltd | Real estate | 2023 |
| Chowdhury Investment Properties Ltd | Real estate | 2023 |
| Chowdhury Mizan Ltd | Hospitality | 2025 |
| Chowdhury Property Group Ltd | Real estate | 2025 |
| Chowdury Properties Ltd | Real estate | 2023 |
| Chowity Limited | Real estate | 2022 |
| Chrik Properties Limited | Hospitality | 2024 |
| Chris Bird Dental Care Limited | Health & social care | 2006 |
| Chris Mario Limited | Construction | 2019 |
| Chris Slattery Electrical Services Limited | Construction | 2007 |
| Chris. Lamph Limited | Manufacturing | 2007 |
| Chromacraft Atelier Limited | Manufacturing | 2025 |
| Chrono Group Holdings Ltd | Financial services | 2024 |
| Chrysalis Day Nursery Cheshire Limited | Education | 2014 |
| Chuanpiaopiao Ltd | Arts & recreation | 2024 |
| Chughtai Global Ltd | Wholesale & retail | 2025 |
| Church Inn Limited | Hospitality | 2019 |
| Churchillasemota Ltd | Wholesale & retail | 2021 |
| Churchorganworld Limited | Manufacturing | 2012 |
| Cibi Foods Ltd | Manufacturing | 2026 |
| Cicb Electrical Ltd | Construction | 2018 |
| Cindys Smiles and Aesthetics Ltd | Other services | 2022 |
| Cinnamon Indian Kitchen Limited | Hospitality | 2024 |
| Cinque Energy Solutions Limited | Manufacturing | 2003 |
| Cipri Barber Limited | Other services | 2024 |
| Circle Loans Limited | Financial services | 2002 |
| CIRCUL8 INK Ltd | Financial services | 2021 |
| Circus Property Ltd | Construction | 2018 |
| Cirgeorge Ltd | Administrative & support | 2025 |
| Citi Blinds Ltd | Wholesale & retail | 2018 |
| City & County Tree Care Ltd | Administrative & support | 2023 |
| City Aluminium Shopfronts NW Limited | Manufacturing | 2017 |
| City Building Concepts Limited | Construction | 2023 |
| City Cargo and Travel Services Ltd | Wholesale & retail | 2018 |
| City Drinks & Supply Ltd | Wholesale & retail | 2026 |
| City Finance Limited | Arts & recreation | 1998 |
| City Landscapes Ltd | Administrative & support | 2017 |
| City Roofing Services Ltd | Construction | 2026 |
| City Surfacing Ltd | Construction | 2022 |
| Civic Events Ltd | Hospitality | 2019 |
| Civic Responsibility Awareness Limited | Information & communication | 2025 |
| CJ Construction Services Ltd | Construction | 2025 |
| CJA Construction (NW) Ltd | Construction | 2024 |
| CJA Productions Ltd | Information & communication | 2024 |
| CJF Coding Services Ltd | Information & communication | 2024 |
| CJF Interiors Ltd | Professional & scientific | 2026 |
| CJT Properties (NW) Limited | Real estate | 2025 |
| CJW Partnership Ltd | Real estate | 2022 |
| CK & G UK Limited | Extraterritorial | 2016 |
| CK Restaurants Enterprise Limited | Hospitality | 2025 |
| CKR GAS Limited | Construction | 2020 |
| CLA Scaffolding (NW) Limited | Construction | 2018 |
| Clad-It Limited | Manufacturing | 2011 |
| Clad-It Solar Limited | Construction | 2022 |
| Cladding Coatings Ltd | Construction | 2009 |
| Cladladz Limited | Construction | 2022 |
| Claia Cleaning Ltd | Administrative & support | 2026 |
| Claims & Credit Hire Ltd | Administrative & support | 2009 |
| Clarendon Apartment Ltd | Real estate | 2020 |
| Claret PMO Services Limited | Professional & scientific | 2016 |
| Clarity & Soul Consultancy Ltd | Information & communication | 2025 |
| Clarity Accountants & Tax Advisors Ltd | Professional & scientific | 2019 |
| Clarity Coaching Academy Limited | Extraterritorial | 2016 |
| Clarity Commercial Services Ltd | Construction | 2015 |
| Clarity Elite Accountants Limited | Professional & scientific | 2025 |
| Clarity Group Intl Limited | Professional & scientific | 2018 |
| Clarity Mentor Limited | Professional & scientific | 2015 |
| Clarity Peptides Ltd | Wholesale & retail | 2026 |
| Clarity Research Labs Limited | Wholesale & retail | 2026 |
| Clarity Vantage Limited | Professional & scientific | 2019 |
| Clark & SON Structural Waterproofing Limited | Construction | 2008 |
| Clarke's Financial Services Limited | Administrative & support | 2003 |
| Clarksfield & Glodwick (C&G) Community Sports Club CIC | Arts & recreation | 2023 |
| Clarksfield Food Store Ltd | Administrative & support | 2017 |
| Clarksfield Properties Ltd | Real estate | 2019 |
| Clarksfields Flooring & Furniture Ltd | Wholesale & retail | 2020 |
| Class Connected Ltd | Administrative & support | 2024 |
| Classic Bar Fitting Limited | Construction | 1994 |
| Classic Conservatories, Windows & Doors Ltd | Construction | 2003 |
| Classic Mortgages Limited | Administrative & support | 2021 |
| Classical (Yorkshire) Ltd | Wholesale & retail | 2011 |
| Classical Cars Ltd | Administrative & support | 2006 |
| Claude Hamilton Ltd | Construction | 2021 |
| Clay Lane Property Holdings Limited | Administrative & support | 2024 |