| Chicargo Limited | Financial services | 2019 |
| Chief Productions Limited | Information & communication | 1994 |
| Chieflo Limited | Professional & scientific | 2025 |
| Chilly Nights Textiles Ltd | Manufacturing | 2017 |
| China UK Medical Innovation Technology Ltd | Real estate | 2017 |
| Chinedu Support and Care Services Limited | Administrative & support | 2014 |
| Chingford Road SPV Limited | Construction | 2025 |
| CHIPPY4YOU Limited | Hospitality | 2025 |
| Chisti Homes Ltd | Real estate | 2025 |
| Chloe’S Modelling Limited | Other services | 2019 |
| Chmm&Sons Ltd | Wholesale & retail | 2024 |
| CHN Properties Limited | Real estate | 2017 |
| Chocolate Paradise (MCR) Limited | Real estate | 2012 |
| Chooseurfood Ltd | Wholesale & retail | 2018 |
| Chooza Limited | Information & communication | 2009 |
| Chop Capital Ltd | Financial services | 2026 |
| Chorcliffe House Management Company Limited | Households | 2007 |
| Chorley Success Limited | Other services | 2022 |
| Chortkov Developments Limited | Construction | 2014 |
| Choróincreationsuk Ltd | Wholesale & retail | 2026 |
| CHP Power Systems UK Ltd | Manufacturing | 2023 |
| Christ Family Community CIC | Health & social care | 2026 |
| Christie James (CJ) Construction Ltd | Construction | 2025 |
| Christmas Decor Hire Limited | Administrative & support | 2021 |
| CHT Capital Ltd | Financial services | 2025 |
| Chubbys Takeaway Limited | Hospitality | 2018 |
| Chuks Sydney Limited | Health & social care | 2023 |
| Chukysandy's Hair LAB Limited | Other services | 2025 |
| Church Farm Units Ltd | Construction | 2025 |
| Church Lane Housing Ltd | Construction | 2020 |
| Church View Main Road Management Company Limited | Households | 2022 |
| CHURROS2 Ltd | Hospitality | 2022 |
| Ciallco Limited | Professional & scientific | 2008 |
| CIB Group UK Limited | Financial services | 2021 |
| Cievert Ltd | Information & communication | 2011 |
| Cillian Nails Ltd | Other services | 2017 |
| Cincinnatus Legal Limited | Professional & scientific | 2026 |
| Cinderella Light Ltd | Wholesale & retail | 2022 |
| Cinesavant Productions Ltd | Information & communication | 2024 |
| Cinjos Limited | Extraterritorial | 2003 |
| Cinjos Oxford Limited | Extraterritorial | 2020 |
| Cinu Travel Ltd | Wholesale & retail | 2025 |
| Circle & Square Limited | Wholesale & retail | 2021 |
| Cititoys (UK) Limited | Professional & scientific | 1989 |
| Citizens Advice Bureaux (Salford) | Information & communication | 1988 |
| Citizens Advice Greater Manchester Limited | Other services | 2017 |
| Citra Development Company (NO.1) Limited | Construction | 2022 |
| Citra Living British Waterways Limited | Real estate | 2025 |
| Citra Living Investments Limited | Real estate | 2024 |
| Citra Living Lease Company (NO.1) Limited | Real estate | 2025 |
| Citra Living Limited | Real estate | 2021 |
| Citra Living Nexus Limited | Real estate | 2024 |
| Citra Living Operating Company (NO. 1) Limited | Construction | 2024 |
| Citra Living Properties (NO. 1) Limited | Real estate | 2021 |
| Citra Living Properties (NO. 6) Limited | Real estate | 2024 |
| Citra Living Properties (NO.2) Limited | Construction | 2023 |
| Citra Living Properties (NO.3) Limited | Real estate | 2025 |
| Citra Living Properties (NO.4) Limited | Real estate | 2025 |
| Citra Living Properties (NO.5) Limited | Real estate | 2025 |
| Citra Living the Rise Cardiff Limited | Real estate | 2024 |
| Citra Living Unit Holder (NO.1) Limited | Real estate | 2025 |
| Citra Living Unit Holder (NO.2) Limited | Real estate | 2025 |
| Citra Living Wharf Street Limited | Real estate | 2025 |
| Citra Pathways Limited | Real estate | 2024 |
| Citrus & Sage Ltd | Administrative & support | 2025 |
| City Cargo Services Ltd | Transport & logistics | 2009 |
| City Central Estates Limited | Other services | 2025 |
| City Centre News (NW) Limited | Wholesale & retail | 2014 |
| City Centre Therapy Ltd | Health & social care | 2020 |
| City EX Holdings Limited | Real estate | 2022 |
| City Excavations Ltd | Water & waste | 2014 |
| City London 1 Ltd | Real estate | 2024 |
| City of Manchester Wrestling Club CIC | Arts & recreation | 2023 |
| City of Willows Ltd | Real estate | 2021 |
| City Office Supplies Ltd | Wholesale & retail | 1975 |
| Cityscape Property Rental Ltd | Real estate | 2024 |
| Cityshuffle Ltd | Administrative & support | 2025 |
| Citystar Estates Ltd | Real estate | 2022 |
| Citywell Developments Ltd | Extraterritorial | 2011 |
| Civalabs CIC | Information & communication | 2025 |
| CJ Hospitality Group Ltd | Hospitality | 2024 |
| CJ7PH7 Limited | Hospitality | 2022 |
| CJB Electrical Ltd | Construction | 2026 |
| CJC Properties Ltd | Real estate | 2019 |
| Cjdf Limited | Administrative & support | 2025 |
| CK Salford Food Ltd Ltd | Hospitality | 2026 |
| CKG Law Limited | Professional & scientific | 2023 |
| CKZ Health Limited | Health & social care | 2013 |
| Cladd FIX Manchester Ltd | Construction | 2016 |
| Claim Your Rights Limited | Other services | 2024 |
| Claimaster 123 Ltd | Financial services | 2024 |
| Claims for Composition With Ease Limited | Administrative & support | 2025 |
| Claims Space Ltd | Professional & scientific | 2026 |
| Claire Faith Properties Ltd | Real estate | 2024 |
| Claire Giles Ltd | Manufacturing | 2012 |
| Clarence Road Investment Co Limited | Real estate | 2020 |
| Clarence Road SPV Limited | Construction | 2019 |
| Clarity EAR Clinic Limited | Professional & scientific | 2022 |
| Clarity Partners Ltd | Real estate | 2013 |
| Clarke & Family Wealth Management Ltd | Professional & scientific | 2025 |