| Cordon Bleu Freezer Food Centres Limited | Professional & scientific | 1964 |
| Core Accountants Limited | Professional & scientific | 2013 |
| Core Combat Sports Ltd | Arts & recreation | 2022 |
| Core Conference Group Limited | Administrative & support | 2026 |
| Core Integrated Limited | Professional & scientific | 2008 |
| Core Line Management Ltd | Professional & scientific | 2026 |
| Core Powder Coatings Limited | Manufacturing | 2025 |
| Core Prescribing Solutions Ltd | Health & social care | 2019 |
| Core Route Solutions Ltd | Transport & logistics | 2026 |
| Core Waves Concepts Ltd | Wholesale & retail | 2025 |
| Corefit Wellness Limited | Health & social care | 2019 |
| Corinthia Capital Limited | Real estate | 2017 |
| Corner Apps Ltd | Information & communication | 2022 |
| Corner Hydration Ltd | Manufacturing | 2026 |
| Corner Mart Bradford Ltd | Wholesale & retail | 2026 |
| Corner Shop 24 Ltd | Wholesale & retail | 2025 |
| Corner Shop 4 U Ltd | Wholesale & retail | 2026 |
| Corner Track Public Houses Ltd | Hospitality | 2020 |
| Corners Direct Limited | Manufacturing | 1998 |
| Cornerstone and Associates Limited | Professional & scientific | 2020 |
| Cornerstone Estate Management Limited | Real estate | 2022 |
| Cornerstone LTA Ltd | Professional & scientific | 2022 |
| Cornerstone Medicals Ltd. | Health & social care | 2011 |
| Cornerstone Njjp Ltd | Real estate | 2021 |
| Corporate Arena Tickets Ltd | Administrative & support | 2010 |
| Corporate Travel Management (North) Limited | Administrative & support | 1950 |
| Corvinview Limited | Construction | 1983 |
| Cosmetics in Turkey Ltd | Administrative & support | 2023 |
| Cosmic Auto Cosmetics Limited | Wholesale & retail | 2008 |
| Cosmic Power Limited | Wholesale & retail | 2018 |
| Cosmo Crest Holdings Ltd | Financial services | 2026 |
| Cosmo UK Limited | Wholesale & retail | 1997 |
| Costa Builders Quality Ltd | Construction | 2019 |
| Costa DEL Paradise Ltd | Wholesale & retail | 2007 |
| Costa&Naty Ltd | Construction | 2026 |
| Costin Accounting & Business Solutions Ltd | Professional & scientific | 2012 |
| Cosy CUP Ltd | Hospitality | 2025 |
| Cosy Fires & Fireplaces Ltd | Wholesale & retail | 2020 |
| Cosy FOX Investments Ltd | Real estate | 2021 |
| Cosy Nest Imports Ltd | Wholesale & retail | 2026 |
| Cottage Craft Limited | Extraterritorial | 1991 |
| Cottage Desserts Factory Ltd | Hospitality | 2024 |
| Cottageside Apartments Management Company Limited | Households | 2004 |
| Cottex Fillings Ltd | Wholesale & retail | 2025 |
| Cottingham Retail Limited | Hospitality | 2019 |
| Cottonfield Gardens Limited | Wholesale & retail | 2022 |
| Cotts Engineering Solutions Limited | Construction | 2016 |
| Cotw Limited | Hospitality | 2021 |
| Cougar Community Patrols Ltd | Administrative & support | 2017 |
| Cougar Monitoring Ltd. | Administrative & support | 1996 |
| Coulson Electrical Ltd | Construction | 2024 |
| Counselling With Hasan Ltd | Health & social care | 2024 |
| Counter Context Limited | Administrative & support | 1994 |
| Countrywide Medico Legal Limited | Administrative & support | 2009 |
| Countwise Accountants Limited | Professional & scientific | 2025 |
| County TEC Limited | Administrative & support | 2024 |
| Courier Connect Limited | Transport & logistics | 2025 |
| Courierxpress Ltd | Transport & logistics | 2024 |
| Courtyard Management Company Limited(The) | Real estate | 1983 |
| Cousin’S Roofing (Bradford) Ltd | Construction | 2021 |
| Cowbomb Ltd | Wholesale & retail | 2023 |
| Cowling Properties Ltd | Real estate | 2013 |
| Cowsill PUB Company Limited | Hospitality | 2022 |
| Coyt Properties Limited | Real estate | 2019 |
| Cozee Sleep Ltd | Manufacturing | 2024 |
| Cozyluxe Ltd | Wholesale & retail | 2025 |
| CP Autos (Yorkshire) Ltd | Wholesale & retail | 2026 |
| CP Maintenance Ltd | Other services | 2025 |
| CPA Enterprise Limited | Wholesale & retail | 2018 |
| CPG Scaffolding Ltd | Construction | 2024 |
| CPH Innovations Ltd | Manufacturing | 2011 |
| CPJ Care Limited | Public administration | 2019 |
| CPP Electrical Limited | Construction | 2019 |
| CPS (Bradford) Limited | Wholesale & retail | 2018 |
| CPS Assets Ltd | Administrative & support | 2024 |
| CR Electrical Services (Bradford) Ltd | Construction | 2024 |
| CR International Ltd | Administrative & support | 2017 |
| CR LAB Installations Limited | Manufacturing | 2019 |
| Crafito Arts and Film Academy London Ltd | Education | 2022 |
| Craft & Bakes Ltd | Wholesale & retail | 2026 |
| Craft Fabrics Unlimited Ltd | Wholesale & retail | 2025 |
| Crafted Automotive Ltd | Wholesale & retail | 2022 |
| Crafting Supplies Ltd | Wholesale & retail | 2014 |
| Crafts for EWE Ltd | Wholesale & retail | 2024 |
| Craftsman Manufacturing Limited | Manufacturing | 2012 |
| Crafty Cupboard Ltd | Manufacturing | 2019 |
| Crafty Gift Company Limited | Manufacturing | 2014 |
| Cragg Power Ltd | Energy | 2015 |
| Craig Barker (Joinery) Limited | Construction | 2002 |
| Craig Pashley Ltd | Transport & logistics | 2015 |
| Cravebros Ltd | Hospitality | 2026 |
| Cravella & Co Ltd | Hospitality | 2026 |
| Craven Computer Supplies Ltd | Information & communication | 2002 |
| Cravenhurst Properties Limited | Construction | 1961 |
| Cravenit Ltd | Transport & logistics | 2024 |
| Cravings Hotels & Restaurants (UK) Ltd | Wholesale & retail | 2024 |
| Crawford Mercer Investments Limited | Construction | 2025 |
| Crazy Targets Limited | Arts & recreation | 2022 |
| Crazycloudzzz Ltd | Wholesale & retail | 2018 |
| CRE8 Design & Build Ltd | Professional & scientific | 2020 |