| Castlewood Safety Limited | Administrative & support | 2025 |
| Castmymemories Limited | Wholesale & retail | 2025 |
| Caters Media Group Limited | Extraterritorial | 2015 |
| Caters News Agency Limited | Information & communication | 2002 |
| Caverdale Estates Ltd | Real estate | 2003 |
| Cazepoh Limited | Financial services | 2025 |
| CBX Imports Ltd | Wholesale & retail | 2025 |
| CC MOT Associates Ltd | Professional & scientific | 2022 |
| CC North West Ltd | Real estate | 2025 |
| Ccco Interiors Limited | Manufacturing | 2013 |
| CCR Professional Services Ltd | Professional & scientific | 2023 |
| Celtic Care (Swansea) Limited | Health & social care | 2006 |
| Central Trading U.K Limited | Construction | 2014 |
| Cestrian Enterprise's Ltd | Hospitality | 2023 |
| Ceylon Motors Ltd | Wholesale & retail | 2024 |
| Ceylone Enterprise Ltd | Hospitality | 2024 |
| Chadderton Exclusive Homes Ltd | Construction | 2023 |
| Chadwick Auto Services Limited | Wholesale & retail | 2006 |
| Chadwicks Commercial Services Ltd | Professional & scientific | 2014 |
| Chairborne Militaria Limited | Wholesale & retail | 2022 |
| Chamber Bars Limited | Hospitality | 2025 |
| Chameleon Projects (UK) Ltd | Other services | 2014 |
| Champions Corner NW Ltd | Hospitality | 2026 |
| Chancery Building Company Limited | Real estate | 1995 |
| Changespace Limited | Wholesale & retail | 2013 |
| Chardsit Investments Limited | Financial services | 1960 |
| Charisma (Beauty & Hair Extensions) Limited | Other services | 2003 |
| Charlie Landsborough Enterprises Limited | Arts & recreation | 2003 |
| Charlotte Giddings Photography Limited | Professional & scientific | 2023 |
| Charter Estates Limited | Real estate | 1981 |
| Charter Northern Limited | Extraterritorial | 1983 |
| Chartwell Green Properties Limited | Real estate | 2024 |
| Chat Developments Limited | Construction | 2025 |
| Cheapsleepz Ltd | Hospitality | 2019 |
| Cheeky Charlies Ltd | Wholesale & retail | 2026 |
| Cheeky Charlies Sweets and Treats Limited | Wholesale & retail | 2022 |
| Chemkel Limited | Water & waste | 2007 |
| Cheshire Group N.W. Ltd | Construction | 2015 |
| Chester Ceilings Limited | Construction | 2007 |
| Chester Flooring Services Limited | Wholesale & retail | 2003 |
| Chestnut Farm Management Company Limited | Real estate | 2006 |
| Chicknhut Fastfood Catering Ltd | Hospitality | 2025 |
| Chill + Thrill Wine Coolers Ltd | Wholesale & retail | 2024 |
| Chilmington Homes Limited | Health & social care | 1999 |
| Chino Takeaway Birkenhead Ltd | Hospitality | 2024 |
| Chips and Chopsticks Ltd | Hospitality | 2026 |
| Chris Malkin Physiotherapy Limited | Health & social care | 2013 |
| Church Mews Llanfair Management Company Limited | Households | 2004 |
| Church Road Corner Shop Limited | Wholesale & retail | 2025 |
| Cijif International Resources Ltd | Information & communication | 2024 |
| CIM North Properties Ltd | Real estate | 2026 |
| CIM Properties Ltd | Real estate | 2024 |
| Cinejade Limited | Manufacturing | 2017 |
| CIO Business Sevice Limited | Administrative & support | 2023 |
| City of Liverpool Security Ltd | Administrative & support | 2017 |
| City Residential Limited | Construction | 2000 |
| CJ Landscapes and Home Improvements Ltd | Construction | 2026 |
| CJA Services NW Ltd | Construction | 2018 |
| CJO Ltd | Information & communication | 2026 |
| CK Wirral Foods Ltd | Wholesale & retail | 2025 |
| CKL Corrosion Consulting Ltd | Professional & scientific | 2025 |
| Clarke & Sons Groundwork Wirral Ltd | Construction | 2025 |
| Clarkson's of Cheshire Limited | Extraterritorial | 2013 |
| Classic CUT Barber Birkenhead Ltd | Other services | 2023 |
| Classic Screen (Manufacturing) Ltd. | Manufacturing | 1985 |
| Claughton Sports Bar Limited | Hospitality | 2016 |
| Clc&C Limited | Professional & scientific | 2021 |
| Cleandirect Wirral Limited | Administrative & support | 2025 |
| Clear the House Ltd | Water & waste | 2026 |
| Clearology Ltd | Health & social care | 2022 |
| Clearwater Pools (UK) Limited | Water & waste | 2006 |
| Cleifiog Fawr Ltd | Construction | 2016 |
| Clematis Holdings UK Limited | Real estate | 2023 |
| Cleveland Management Services Limited | Real estate | 2016 |
| Cleveland Street Car Wash Ltd | Administrative & support | 2024 |
| Cleveland Tyres Limited | Wholesale & retail | 2018 |
| Clinton Properties & Estates Ltd | Real estate | 2022 |
| CLM Haulager Services Limited | Transport & logistics | 2024 |
| Close to Home Ltd | Health & social care | 2025 |
| Cloud Celtic Ltd | Wholesale & retail | 2024 |
| Clouds and Things Consulting Limited | Information & communication | 2023 |
| Cloudworks Software Ltd | Information & communication | 2023 |
| Clove Origin Ltd | Manufacturing | 2026 |
| CM Ropes & Rigging Limited | Manufacturing | 2017 |
| CMD Site Services Limited | Manufacturing | 2025 |
| CMR Supply & Services Limited | Wholesale & retail | 2004 |
| Cnbs Products Limited | Administrative & support | 2016 |
| CNR Construction Ltd | Construction | 2025 |
| Coach Access Ltd | Construction | 2025 |
| Coastguard Property Limited | Real estate | 2019 |
| Cocktail Bars Ltd | Hospitality | 2025 |
| Colbenson Limited | Information & communication | 2025 |
| Collaboration Chester Ltd | Hospitality | 2025 |
| Collinson Developments NW Ltd | Construction | 2025 |
| Colx Group Ltd | Extraterritorial | 2025 |
| Colx Limited | Administrative & support | 2023 |
| Comex Consultancy Ltd | Professional & scientific | 2019 |
| Comics Cultural Impact Collective CIC | Education | 2023 |
| Comics Youth Community Interest Company | Arts & recreation | 2015 |
| Commendis Ltd | Financial services | 2010 |