| BW Ultrasound Limited | Health & social care | 2018 |
| Bywater Civil Engineering & Construction Limited | Construction | 1994 |
| C & J North West Installations Limited | Construction | 2014 |
| C & L Williams Properties Ltd | Households | 2023 |
| C.B. Homes Limited | Construction | 1981 |
| C.P.C. Events Limited | Arts & recreation | 2004 |
| CA & Co. Limited | Other services | 2013 |
| Cabana Rest Limited | Households | 1989 |
| CAE Felin (Denbigh) Residents Management Company Limited | Households | 2020 |
| Calero Consultancy Ltd | Professional & scientific | 2026 |
| Calfcare (UK) Limited | Agriculture & fishing | 2008 |
| Calidris Limited | Administrative & support | 2011 |
| Calveley Farm Barns Residents Association Limited | Real estate | 2008 |
| Calverley Green Barns Management Company Limited | Households | 2020 |
| Camp Hill 5 Residents Management Company Limited | Households | 2021 |
| Canford Vale Management Company Limited | Households | 2023 |
| Canopus Hydrographic Services Ltd | Professional & scientific | 2020 |
| Capper-Moore Transport Ltd | Transport & logistics | 2021 |
| Cara Property Ltd | Real estate | 2015 |
| Carding Place Residents Management Company Limited | Households | 2023 |
| Caroline White Photography Limited | Professional & scientific | 2007 |
| Carr Road Deepcar Management Company Limited | Households | 2023 |
| Casa Green Limited | Households | 1982 |
| Castle Croft (Barnard Castle) Management Company Limited | Households | 2018 |
| Castle Green (Holt) Residents Management Company Limited | Households | 2020 |
| Catch the Breeze Retreats Limited | Administrative & support | 2020 |
| Cath Cookson PR Ltd | Professional & scientific | 2013 |
| CB Matrix Solutions Limited | Administrative & support | 2019 |
| CB Vector Solutions Limited | Administrative & support | 2020 |
| CBH Developments Limited | Construction | 1991 |
| CBH Holdings Limited | Construction | 2023 |
| CBH Properties Ltd | Construction | 2001 |
| Ce.Lines Aesthetics Ltd | Other services | 2025 |
| Cellini Limited | Administrative & support | 2022 |
| Central Fire Control Limited | Administrative & support | 2019 |
| Centurion Village Management Company Limited | Households | 2021 |
| CEO Advisory Ltd | Professional & scientific | 2012 |
| Cerebral Clothing Limited | Wholesale & retail | 2020 |
| Certain Bridge Limited | Financial services | 2017 |
| CFG Property Limited | Real estate | 2003 |
| CG Creative Limited | Administrative & support | 2010 |
| CG Pilates Ltd | Arts & recreation | 2025 |
| CH & JA Holdings Ltd | Financial services | 2020 |
| Chaise Chemical Holdings Limited | Wholesale & retail | 2018 |
| Champ and Zara Ltd | Wholesale & retail | 2023 |
| Chantry Gate (Eccleston) Residents Management Company Limited | Households | 2021 |
| Charlotte James Developments Ltd | Construction | 2022 |
| Charlton Gardens Residents Management Company Limited | Households | 2022 |
| Charyan Limited | Professional & scientific | 2023 |
| Chase and Wonder Ltd | Manufacturing | 2012 |
| Chattel House (Marketing) Ltd | Professional & scientific | 2025 |
| Cheggs Design Limited | Extraterritorial | 2014 |
| Chem-Oil Engineering Limited | Manufacturing | 2005 |
| Chemistry and Industry Ltd | Professional & scientific | 2025 |
| Cherry Blossom View Management Company Limited | Households | 2024 |
| Cheshire Business Leaders Limited | Professional & scientific | 2010 |
| Cheshire Cat Management Limited | Professional & scientific | 2014 |
| Cheshire Clearance & Removals Ltd | Transport & logistics | 2014 |
| Cheshire Clearance Ltd | Water & waste | 2024 |
| Cheshire Curtainsiders Limited | Wholesale & retail | 1994 |
| Cheshire Global Aviation Limited | Professional & scientific | 2015 |
| Cheshire Green Employment Park Limited | Construction | 2013 |
| Cheshire Green Management Company Limited | Real estate | 2019 |
| Cheshire Handyman & Gardening Services Ltd | Construction | 2020 |
| Cheshire Hideaways Limited | Agriculture & fishing | 2003 |
| Cheshire Lettings Limited | Real estate | 2004 |
| Cheshire Lines Committee Limited | Professional & scientific | 2017 |
| Cheshire Lines Railway Company Limited | Professional & scientific | 2017 |
| Cheshire Mechanical Ltd | Construction | 2024 |
| Cheshire Power Services Ltd | Construction | 2014 |
| Cheshire Print Fair Ltd | Arts & recreation | 2022 |
| Cheshire Psychology Limited | Health & social care | 2019 |
| Cheshire Sport Horses Ltd | Extraterritorial | 2015 |
| Cheshire Wood Wizard Ltd | Construction | 2022 |
| Chester Electrical Repairs Limited | Construction | 1962 |
| Chester House Property Holdings Ltd. | Administrative & support | 2020 |
| Chesterton Farm Developments Ltd | Construction | 2020 |
| Chfm Limited | Other services | 2003 |
| Chiltern Valley Liqueur Producers, Brewers & Vintners Ltd. | Manufacturing | 2014 |
| Chiltern Valley Vineyard Winery & Brewery LLP | | 2014 |
| Christie Property & Land Ltd | Real estate | 2025 |
| Church Mews Upton Management Company Ltd | Households | 2023 |
| Churchfield Management Company Limited | Households | 2021 |
| Churchlands Management Company (Cardiff) Limited | Real estate | 2018 |
| Ciivsoft Limited | Information & communication | 2014 |
| CIRCLE17 Limited | Professional & scientific | 2020 |
| City Fields Management Company Limited | Households | 2020 |
| Clear Mission TV Limited | Information & communication | 2016 |
| Cleco Ltd | Administrative & support | 2022 |
| Cleverdick Ltd | Professional & scientific | 2000 |
| Client Invest Account Ltd | Professional & scientific | 2025 |
| Close Consultancy Ltd | Professional & scientific | 2023 |
| CN & IR Atkin Ltd | Agriculture & fishing | 2010 |
| Coald Club Ltd | Other services | 2025 |
| Cobalt Advantage Limited | Education | 2000 |
| Coed Derw Management Company Limited | Real estate | 2022 |
| Coffee 101 Limited | Hospitality | 2024 |
| Cognimatic Limited | Information & communication | 2011 |
| Colburn Walk (Catterick) Management Company Limited | Households | 2016 |
| Collective Digital Ltd | Professional & scientific | 2021 |