| Chester Property (Midlands) Limited | Real estate | 2023 |
| Chester Thai Limited | Hospitality | 2025 |
| Chester Wadlow Limited | Professional & scientific | 2024 |
| Chesterroadwines Ltd | Wholesale & retail | 2026 |
| Chestnut Property Solutions Limited | Professional & scientific | 2023 |
| Chestnut Real Estates Ltd | Real estate | 2014 |
| Cheswood Drive Management Company Limited | Professional & scientific | 2003 |
| Chetwynd (Streetly Lane) Management Company Limited | Households | 2003 |
| Chhe Limited | Real estate | 2016 |
| Chhokar Buildings Ltd | Real estate | 2022 |
| Chi-Cards Limited | Wholesale & retail | 2025 |
| Chichester Crematorium Limited | Extraterritorial | 1943 |
| Chicken Champions Ltd | Hospitality | 2024 |
| Chief CON NAJ QA (AIB) (UK) (RUC) (NI) Limited | Extraterritorial | 2019 |
| Chil Property Limited | Real estate | 2020 |
| Children Residential Home Services Ltd | Health & social care | 2025 |
| Childrens Football Coaching LLP | | 2014 |
| Childrens Village & Entertainment Limited | Arts & recreation | 2015 |
| Chill and Achieve - Holistic Wellness Ltd | Health & social care | 2025 |
| Chiltern Management Support Limited | Professional & scientific | 2019 |
| Chilver Consulting Limited | Education | 2023 |
| China Logistical Solutions Limited | Wholesale & retail | 2014 |
| Chindi Foods Limited | Manufacturing | 2024 |
| Chinleagh Estates Ltd | Real estate | 2018 |
| Chinto HR Ltd | Professional & scientific | 2020 |
| Chips and More Limited | Hospitality | 2024 |
| Chloe and Luke Limited | Real estate | 2021 |
| CHM Thanatology Ltd | Other services | 2020 |
| Chmids Limited | Construction | 2018 |
| Choice Locations Limited | Information & communication | 2004 |
| Choice Selectthoe Ltd | Wholesale & retail | 2016 |
| Chorley PR7 Ltd | Real estate | 2014 |
| Chosen Heritage Limited | Extraterritorial | 1995 |
| Chosen Heritage Services Limited | Extraterritorial | 1934 |
| Chosen VSG C.I.C. | Education | 2017 |
| Chot Properties Ltd | Real estate | 2026 |
| Chowz Dera Ltd | Hospitality | 2023 |
| Chris Field (Training Services) Ltd | Administrative & support | 2015 |
| Chris Keogh Housing Limited | Real estate | 2011 |
| Chris Keogh Investments Limited | Real estate | 2025 |
| Chris's Event Ltd | Hospitality | 2024 |
| Christe Property Management Ltd | Real estate | 2023 |
| Christies Fisheries Limited | Hospitality | 2017 |
| Christopher Hind Developments Limited | Construction | 1989 |
| Christopher Langley Limited | Education | 2019 |
| Chromatic Investments Limited | Financial services | 2020 |
| Chuk FUK Company Limited | Real estate | 2021 |
| Church Steps (Kingsbridge) Limited | Hospitality | 2005 |
| Churchill Local Limited | Wholesale & retail | 2021 |
| Churchill Window Solutions Ltd | Construction | 2016 |
| Chutney Express Take Away Limited | Hospitality | 2024 |
| CHY Kernewek Limited | Real estate | 2018 |
| Chzl Services Ltd | Professional & scientific | 2023 |
| CI CI Cabana Ltd | Hospitality | 2018 |
| CIB Mental Capacity Ltd | Health & social care | 2021 |
| CIL Financial Services Limited | Financial services | 2019 |
| Cima Care Consortium Ltd | Health & social care | 2015 |
| Cinco Electrical Solutions Limited | Construction | 2019 |
| Circuit Based Training (Advanced) Limited | Education | 2000 |
| Circuit Based Training (Mallory) Limited | Education | 2006 |
| Circuit Based Training Limited | Education | 2007 |
| Cirkulo Group Ltd | Information & communication | 2019 |
| CIS NET Solutions Ltd | Information & communication | 2012 |
| Cissp Ltd | Professional & scientific | 2019 |
| Citds Ltd | Information & communication | 2017 |
| Citizenross Limited | Administrative & support | 2018 |
| City Aston Limited | Real estate | 2025 |
| City Property Ltd | Real estate | 2025 |
| Cityair (Wholesale) Limited | Wholesale & retail | 2002 |
| CJ Ashforth Ltd | Construction | 2021 |
| Cjhj Enterprises Limited | Health & social care | 2023 |
| Cjhj Property Limited | Real estate | 2024 |
| CJM Music Limited | Arts & recreation | 1996 |
| Cjmlm (Sutton Coldfield) Limited | Real estate | 2004 |
| CK Industrial Real Estate Limited | Professional & scientific | 2020 |
| CK Repairs and Services Ltd | Administrative & support | 2021 |
| CKJ Holdings Limited | Other services | 2020 |
| CKN Properties Limited | Real estate | 2025 |
| CL Bond Limited | Real estate | 2025 |
| Claka Maintenance Limited | Real estate | 2022 |
| Clan Homes Limited | Construction | 2014 |
| Clarence Consult Limited | Administrative & support | 2007 |
| Clarkes Transport (Sutton Coldfield) Limited | Professional & scientific | 1960 |
| Clarkey's Cider UK Ltd | Manufacturing | 2025 |
| Clarus Advisory Ltd | Professional & scientific | 2025 |
| Class 56 Locomotives Limited | Arts & recreation | 2005 |
| Class Cosmetics (Birmingham) Limited | Wholesale & retail | 2016 |
| Class Diagnostix Ltd | Information & communication | 2023 |
| Classic Continuous Limited | Manufacturing | 1987 |
| Classic Tiling Midlands Limited | Construction | 2007 |
| Classic Windows Ltd | Construction | 2009 |
| Classical Pilates Academy Limited | Education | 2023 |
| Claudia Russell Aesthetics Limited | Health & social care | 2024 |
| Claverdon Court Management Limited | Households | 1985 |
| Claverdon Developments Limited | Real estate | 1988 |
| Claverdon Park Management Company Limited | Households | 1983 |
| Clay & Abbott Limited | Manufacturing | 1996 |
| CLB Mortgages Limited | Financial services | 2021 |
| CLC the Lord Chief Justice MR N a Johnson MBA QA Limited | Extraterritorial | 2020 |
| CLC the Lord Circuit Judge MR N a Johnson QA Ltd | Extraterritorial | 2020 |