| Costel Delivery Ltd | Transport & logistics | 2025 |
| Cosy Care Ltd | Health & social care | 2019 |
| Cosy Homes Heritage Developments Limited | Construction | 2013 |
| Cosy Kreations Ltd | Arts & recreation | 2024 |
| Cosy Letz Ltd | Real estate | 2023 |
| Cosystep Ltd | Construction | 2025 |
| Cotaplan Limited | Construction | 2026 |
| Coteford Builders Ltd | Construction | 2002 |
| Cother Investments Ltd | Real estate | 2026 |
| Cottage of Dreams Ltd | Education | 2021 |
| Cotterpin Limited | Professional & scientific | 2004 |
| Cotton Decorating Services Ltd | Construction | 2017 |
| Couches NOT Kennels Ltd | Agriculture & fishing | 2019 |
| Coul EVS Ltd | Arts & recreation | 2025 |
| Coulson Flooring Limited | Wholesale & retail | 2015 |
| Coulter Wealth Management Limited | Professional & scientific | 2020 |
| Council of World Bishops and Clergies UK Branch Ltd | Other services | 2024 |
| Counselling Connections Limited | Professional & scientific | 2018 |
| Counselling for Liverpool Ltd | Health & social care | 2022 |
| Counterfit NW Limited | Construction | 2007 |
| Counterline Holdings Limited | Manufacturing | 2006 |
| Counterpart Design Ltd | Professional & scientific | 2026 |
| Counting for Communities Ltd | Professional & scientific | 2010 |
| Counting-It Ltd | Professional & scientific | 2025 |
| Country Homes (Cheshire) Limited | Construction | 2017 |
| Country Leisure Ltd | Extraterritorial | 2023 |
| Country Park Property Ltd | Real estate | 2021 |
| Countrylinetime Ltd | Arts & recreation | 2026 |
| Countrywide Partners Limited | Administrative & support | 2016 |
| Countrywide Recruitment Specialists Limited | Administrative & support | 2023 |
| Countrywide Signs Limited | Other services | 1998 |
| Countrywide Vehicle Liverpool Limited | Administrative & support | 2012 |
| Countrywide Vehicle Rentals Limited | Administrative & support | 1999 |
| Countrywide Venetians Suppliers Ltd | Wholesale & retail | 2020 |
| County Aerials and Satellites Limited | Other services | 2005 |
| County Building Services (NW) Limited | Construction | 2015 |
| County Car Liverpool Limited | Transport & logistics | 2025 |
| County Cargo Limited | Transport & logistics | 2022 |
| County Contract Cleaning Services Limited | Administrative & support | 2006 |
| County Hire Liverpool Limited | Transport & logistics | 2025 |
| County Pet Food Limited | Wholesale & retail | 2021 |
| County Pound Plus Liverpool Limited | Wholesale & retail | 2017 |
| County Road Shawarma Ltd | Hospitality | 2024 |
| County Takeaway Ltd | Other services | 2019 |
| County Tanning Room Limited | Other services | 2018 |
| Countyroadchicken Limited | Hospitality | 2023 |
| Couple Design Ltd | Professional & scientific | 2010 |
| Couponbank Global Limited | Information & communication | 2021 |
| Courier Network NW Ltd | Transport & logistics | 2024 |
| Couriers Near ME Ltd | Transport & logistics | 2025 |
| Court HEY Properties Limited | Construction | 2013 |
| Courtenay Gardens Management Company Limited | Households | 1994 |
| Courthall Care Limited | Health & social care | 2020 |
| Courtley (Health & Safety) Limited | Health & social care | 1995 |
| Courtley Vehicles Limited | Administrative & support | 2013 |
| Courtney Holdings North West Ltd | Real estate | 2024 |
| Courtney Property Ventures Limited | Real estate | 2025 |
| Courtney Recruitment Limited | Administrative & support | 2023 |
| Courtney Reed Group Ltd | Administrative & support | 2019 |
| Courtney Tender Services Limited | Professional & scientific | 2023 |
| Courtworks Ltd | Construction | 2025 |
| Couture Cosmetics by Melisa Ltd | Other services | 2025 |
| Couture Hair Design Company Limited | Other services | 2007 |
| Couture Training Ltd | Education | 2019 |
| Cove Bar and Restaurant Ltd | Hospitality | 2022 |
| Cove Bars Limited | Hospitality | 2022 |
| Cove Housing Solutions Limited | Real estate | 2026 |
| Cove Limited | Hospitality | 2019 |
| Covenant 120 Ltd | Real estate | 2021 |
| Covent House Ltd | Information & communication | 2017 |
| Cover My Life Limited | Financial services | 2018 |
| Covercareer Limited | Real estate | 1995 |
| Coverly Ltd | Manufacturing | 2026 |
| Coverlytics Ltd | Information & communication | 2025 |
| Coverstar Experiences Ltd | Information & communication | 2013 |
| Covet Creative Group UK Ltd | Arts & recreation | 2021 |
| COVID-19 Bereaved Families for Justice UK Ltd | Education | 2020 |
| Covita UK Limited | Administrative & support | 2003 |
| Covo Rail & Surveying Connections Ltd | Real estate | 2013 |
| Covora Ltd | Wholesale & retail | 2025 |
| COW & Calf Property Investments Ltd | Real estate | 2007 |
| Cowan & Wright Building Maintenance Ltd | Construction | 2012 |
| COWAN360 Ltd | Construction | 2023 |
| COWAN360 Property Ltd | Real estate | 2025 |
| Cowdall Contracting Ltd | Construction | 2025 |
| Cowdell Housing Limited | Real estate | 2015 |
| Cowell Media Ltd | Professional & scientific | 2019 |
| Cowingroup Ltd | Construction | 2020 |
| Cowshed Liverpool Limited | Hospitality | 2016 |
| Coxinhas & Co Ltd | Manufacturing | 2026 |
| Coxy's Kitchen Ltd | Hospitality | 2021 |
| Coyne Capital Ltd | Professional & scientific | 2022 |
| Coyne Civils & Groundworks Ltd | Construction | 2021 |
| Coyne Construction Group Ltd | Construction | 2024 |
| Coyne Group Holdings Ltd | Extraterritorial | 2023 |
| Coyne Recruitment Limited | Administrative & support | 2017 |
| Coyne Training Ltd | Transport & logistics | 2025 |
| Coyne Transport & Training Limited | Transport & logistics | 2011 |
| Coyne Transport Ltd | Transport & logistics | 1980 |
| Coyne Tyre Services Ltd | Wholesale & retail | 2023 |