| Century Construction Limited | Construction | 2016 |
| Century Gateway Ltd | Real estate | 2017 |
| Century NO 1 Limited | Construction | 2009 |
| Century Offices Ltd | Real estate | 2015 |
| CEP Properties Ltd | Real estate | 2023 |
| CER Consulting Ltd | Administrative & support | 2025 |
| Ceramic Tile (Group) Limited | Wholesale & retail | 2019 |
| Ceramica Impex Limited | Wholesale & retail | 1980 |
| Cerebral Initiatives Limited | Professional & scientific | 2019 |
| Cerelo Advisory Limited | Financial services | 2023 |
| Ceres Consultants Limited | Professional & scientific | 2014 |
| Ceres Recruitment Solutions Limited | Administrative & support | 2020 |
| Cerfoma Limited | Manufacturing | 2024 |
| Cerrebus Engineering Limited | Manufacturing | 2016 |
| Certie Compliance Limited | Information & communication | 2023 |
| Certified Empire Limited | Wholesale & retail | 2021 |
| Certified Healthtech & Care Professionals,Uk Ltd | Information & communication | 2022 |
| Certified Limited | Professional & scientific | 2026 |
| Certified Media Ltd | Wholesale & retail | 2025 |
| Certifieddjs Ltd | Professional & scientific | 2021 |
| Cerulean Leeds Ltd | Wholesale & retail | 2026 |
| Cervus Talent Ltd | Administrative & support | 2026 |
| CES Trustees Limited | Administrative & support | 2022 |
| Cestcon Realisations 2008 Limited | Water & waste | 2003 |
| Cesyl Catering Ltd | Hospitality | 2025 |
| Cetin Holdings Ltd | Real estate | 2021 |
| Cevenco Ltd | Information & communication | 2019 |
| CEY Cleaning Services Ltd | Administrative & support | 2025 |
| Ceyx Ltd | Information & communication | 2019 |
| CF Cycle Trading Limited | Information & communication | 2025 |
| CF Design Studio Limited | Professional & scientific | 2025 |
| CF Driving Services Limited | Transport & logistics | 2022 |
| CF Protection Ltd | Administrative & support | 2025 |
| CF Trading Group Ltd | Financial services | 2026 |
| CF West Yorkshire Limited | Arts & recreation | 2010 |
| Cf.Care Ltd | Health & social care | 2019 |
| CFC House Ltd | Hospitality | 2025 |
| Cfgi (UK) Limited | Other services | 2022 |
| Cfgi International Holdings II Limited | Other services | 2024 |
| Cfgi International Holdings Limited | Other services | 2024 |
| CFH Equity Limited | Real estate | 2025 |
| CFM (UK) Ltd | Arts & recreation | 1992 |
| CFM Aesthetic Limited | Health & social care | 2025 |
| CFR Transport Ltd | Transport & logistics | 2024 |
| Cfsmuk Limited | Wholesale & retail | 2020 |
| CFT Properties Ltd | Real estate | 2019 |
| Cftm Group Ltd | Professional & scientific | 2025 |
| Cfydc (Chance) | Arts & recreation | 2007 |
| CG Healthcare Limited | Health & social care | 2022 |
| CG Shorts Limited | Information & communication | 2016 |
| CG Start Drive Ltd | Transport & logistics | 2026 |
| CGF Medical Consulting Ltd | Professional & scientific | 2025 |
| CGI Properties Limited | Construction | 2001 |
| CGK Services Limited | Information & communication | 2026 |
| Cgls Tech Ltd. | Information & communication | 2023 |
| CGM Care Services Ltd | Health & social care | 2025 |
| CGM Synetech Limited | Wholesale & retail | 2025 |
| Cgmedia Limited | Professional & scientific | 2019 |
| CGN Trade Ltd | Wholesale & retail | 2024 |
| CGP Energy Ltd | Construction | 2017 |
| CGP MEP Ltd | Construction | 2014 |
| CGS Draughting Limited | Construction | 2008 |
| CH Autos Paints Ltd | Wholesale & retail | 2025 |
| CH Burton Consulting Limited | Health & social care | 2017 |
| CH Cleaners Ltd | Administrative & support | 2021 |
| CH Electrical (Leeds) Limited | Construction | 2023 |
| CH Inter Ltd | Extraterritorial | 2022 |
| Ch&Ki Healthcare Ltd | Administrative & support | 2022 |
| CHA Crossgate Limited | Other services | 2019 |
| CHA Lounge Limited | Hospitality | 2015 |
| Chaai (Leeds) Ltd | Hospitality | 2022 |
| Chabla Limited | Construction | 2015 |
| Chaby International Ltd | Wholesale & retail | 2016 |
| Chachachaileeds Ltd | Hospitality | 2024 |
| Chachamart Ltd | Wholesale & retail | 2025 |
| Chad Scaffolding Limited | Construction | 2009 |
| Chadlaw (Directors) Limited | Professional & scientific | 2002 |
| Chadlaw (Nominees) Limited | Professional & scientific | 2005 |
| Chadlaw (Secretaries) Limited | Professional & scientific | 2002 |
| Chadlaw Limited | Professional & scientific | 1997 |
| Chadwick & Beddard Limited | Real estate | 2022 |
| Chadwick Gray Property Holdings Ltd | Households | 2026 |
| Chadwick Lawrence LLP | | 2005 |
| Chadwick Lawrence Solicitors Limited | Professional & scientific | 1991 |
| Chaggar MED Limited | Wholesale & retail | 2013 |
| Chaggar Properties Yorkshire Ltd | Real estate | 2018 |
| Chai Clock Ltd | Hospitality | 2025 |
| Chai Shai King Ltd | Hospitality | 2024 |
| Chain Reaction Events Ltd | Hospitality | 2025 |
| Chain Residential Ltd | Real estate | 2010 |
| Chained Bull Investments Limited | Real estate | 2018 |
| Chainlink Publishing Ltd | Information & communication | 2025 |
| Chaintec Fittings Ltd | Manufacturing | 2012 |
| Chair Supplies Ltd | Manufacturing | 2021 |
| Chak 98 Limited | Hospitality | 2016 |
| Chaka Chaka Health Care Ltd | Health & social care | 2019 |
| Chalemere Limited | Health & social care | 1997 |
| Chalice Construction Ltd | Construction | 2017 |
| Challenger WS Limited | Wholesale & retail | 2013 |
| Chambers & Chambers Homes Ltd | Construction | 2017 |