| Cartwheel Lettings (Birmingham) Ltd | Real estate | 2019 |
| Cartwheel Lettings (Eastern) Ltd | Real estate | 2020 |
| Cartwheel Lettings (Eccles) Ltd | Real estate | 2017 |
| Cartwheel Lettings (Heywood) Ltd | Real estate | 2017 |
| Cartwheel Lettings (Middleton) Limited | Real estate | 2017 |
| Cartwheel Lettings (Middleton) Management Ltd | Real estate | 2022 |
| Cartwheel Lettings (Western) Ltd | Real estate | 2020 |
| Casa DE Lina Ltd | Hospitality | 2025 |
| Casc Master Limited | Education | 2019 |
| Casey (Bull Hill) Limited | Real estate | 2023 |
| Casey (Clifton Junction North) Limited | Real estate | 2023 |
| Casey (German Lane) Limited | Real estate | 2023 |
| Casey (Heywood) Limited | Real estate | 2021 |
| Casey (Moss Lane) Limited | Real estate | 2023 |
| Casey (Park PIT) Limited | Real estate | 2023 |
| Casey (Three Corner Nook) Limited | Real estate | 2023 |
| Casey (Whittle) Ltd | Real estate | 2021 |
| Casey Habitat Solutions Ltd | Construction | 2017 |
| Casey Land Services Limited | Construction | 2017 |
| Casey Living Limited | Real estate | 2016 |
| Casey Plant Services Ltd | Construction | 1922 |
| Casey Technology Limited | Extraterritorial | 2011 |
| Casey's Autos Limited | Wholesale & retail | 2025 |
| Cast the NET Media Limited | Professional & scientific | 2016 |
| Caster Consultancy Ltd | Administrative & support | 2017 |
| Castle Aviation Limited | Financial services | 2025 |
| Castle Cafe Rochdale Ltd | Hospitality | 2015 |
| Castle Footwear Limited | Manufacturing | 1999 |
| Castle Housing Solutions Ltd | Households | 2025 |
| Castlemere Community Centre | Hospitality | 1999 |
| Castlemere Design & Build Partnership CIC | Professional & scientific | 2014 |
| Castleton ALE House Ltd | Hospitality | 2015 |
| Castleton Bowling Club Limited | Real estate | 1868 |
| Castleton Community Playgroup Community Interest Company | Education | 2014 |
| Castleton Health and Leisure CIC | Education | 2011 |
| Castleton Leisure Centre Limited | Real estate | 2017 |
| Castleton Motor Group Ltd | Wholesale & retail | 2016 |
| Castleton Plant Hire Ltd | Administrative & support | 2006 |
| Castleton Rider Training Ltd | Education | 2022 |
| Castleton Shop Market Ltd | Wholesale & retail | 2024 |
| Castleton Timber Ltd | Wholesale & retail | 2019 |
| Castleton Tyre ABJ Ltd | Wholesale & retail | 2025 |
| Castleton Tyres Ltd | Manufacturing | 2025 |
| Castletons Independent Family Funeral Services Limited | Other services | 2025 |
| Catalysk Ltd | Information & communication | 2025 |
| Caterinello Limited | Extraterritorial | 2016 |
| Catfireparty Ltd | Other services | 2023 |
| Cauthery Reid Industries Limited | Manufacturing | 2002 |
| Cavalli Motors Ltd | Wholesale & retail | 2026 |
| Cavemar International Limited | Information & communication | 2025 |
| Cavendish Capital Ltd | Real estate | 2025 |
| CB Boiler Supplies Northwest Limited | Wholesale & retail | 2023 |
| CBD4UK Ltd | Wholesale & retail | 2018 |
| CC Bubbles Services Ltd | Administrative & support | 2023 |
| Ccfc Electrical Ltd | Construction | 2022 |
| CCM 4291 2025 Ltd | Other services | 2023 |
| CCM AP 2025 Limited | Other services | 2023 |
| CCM Holdings (Rochdale) Ltd | Administrative & support | 2016 |
| CCR Fastfoods Ltd | Hospitality | 2016 |
| Cctv Empire Ltd | Administrative & support | 2012 |
| Cctv Warehouse UK Limited | Wholesale & retail | 2015 |
| CDF Cleaning Company Ltd | Administrative & support | 2023 |
| CDF Clearance and Waste Removal Ltd | Water & waste | 2025 |
| CDR Landscapes Limited | Administrative & support | 2012 |
| Cedelina Trading Limited | Wholesale & retail | 2025 |
| Celestial Exchange Ltd | Wholesale & retail | 2025 |
| Celestyn Ostrowski Ltd | Transport & logistics | 2014 |
| Central Mosque Rochdale | Education | 1996 |
| Central Newline Ltd | Transport & logistics | 2019 |
| Central Roof Care Limited | Construction | 2025 |
| Centric Consultancy Ltd | Professional & scientific | 2020 |
| Century Developments & Property Management Ltd | Construction | 2018 |
| Century Dyeing Limited | Manufacturing | 2013 |
| Century Solutions Ltd | Households | 2023 |
| Ceva Services Limited | Other services | 2022 |
| CF Equine Group Limited | Other services | 2025 |
| CFL 2022 Ltd | Real estate | 2022 |
| CG Grill Ltd | Hospitality | 2024 |
| CGC Roofing Ltd | Construction | 2025 |
| CGE Air Conditioning Electrical Ltd | Energy | 2026 |
| Cgfreelance Ltd | Agriculture & fishing | 2023 |
| CGH Foods Ltd | Hospitality | 2022 |
| CH Autolocks Ltd | Wholesale & retail | 2025 |
| CHA Chas Kitchen Ltd | Manufacturing | 2026 |
| CHA Chas Rochdale Ltd | Hospitality | 2012 |
| Chaarminar Grill Limited | Hospitality | 2025 |
| Chacha Jewellers Limited | Wholesale & retail | 2009 |
| Chad Investments Ltd | Construction | 1993 |
| Chadderton Mills Ltd | Real estate | 2020 |
| Chadwick Barn Farm Limited | Wholesale & retail | 1981 |
| Chadwick Hall Estate Ltd | Real estate | 2016 |
| Chadwick Recycling Group Ltd | Construction | 2019 |
| Chairs for Barbers (NW) Ltd | Other services | 2025 |
| Chalrey Limited | Administrative & support | 1956 |
| Chambers and Perkins Limited | Wholesale & retail | 2017 |
| Chambers Painting & Decorating Limited | Construction | 2011 |
| Champness Hall Trust | Other services | 2014 |
| Chang Ramza Ltd | Wholesale & retail | 2025 |
| Change Connected Limited | Information & communication | 2025 |
| Change Training Academy Ltd | Education | 2026 |