| Cross Optical Limited | Manufacturing | 2003 |
| Crossbaron Limited | Other services | 2013 |
| Crossflon Limited | Manufacturing | 2020 |
| Crosshills Management Limited | Real estate | 2016 |
| Crossley and Davis Bolton LLP | | 2018 |
| Crossways Development Management Company Limited | Extraterritorial | 2016 |
| Croston Interiors Limited | Construction | 2025 |
| Crown & Thistle PUB Limited | Manufacturing | 2017 |
| Crown Accounting Partners Ltd | Professional & scientific | 2025 |
| Crown Convenience Store Bolton Limited | Wholesale & retail | 2016 |
| Crown Datalytics Ltd | Information & communication | 2020 |
| Crown Estate Properties Ltd | Real estate | 2020 |
| Crown Heights Health Consortium (NO 2) Limited | Wholesale & retail | 2007 |
| Crown Lane Horwich Management Company Limited | Households | 2020 |
| Crown Legacy Limited | Wholesale & retail | 2024 |
| Crown Mini Market Ltd | Wholesale & retail | 2026 |
| Crown of Beauty Bolton Ltd | Other services | 2024 |
| Crown Property Limited | Real estate | 2014 |
| Crown Retail Ltd | Transport & logistics | 2020 |
| Crownline Couriers Ltd | Transport & logistics | 2026 |
| Crownplay Ltd | Wholesale & retail | 2025 |
| Crownwell Enterprises Limited | Wholesale & retail | 2000 |
| Crowthorn Mews Management Company Number 2 Limited | Households | 2016 |
| Crowthorn Mews Management Company Number 3 Limited | Households | 2016 |
| Crozier Properties Limited | Real estate | 2006 |
| CRT Canine Hydro Ltd | Other services | 2016 |
| Crucible Education Limited | Education | 2015 |
| Cruise&Coast Ltd | Administrative & support | 2026 |
| Cruize Campers Limited | Manufacturing | 2016 |
| Crumb to Mama Ltd | Health & social care | 2024 |
| Crumbs Cafe Limited | Hospitality | 2017 |
| Crunchys Kebab Ltd | Hospitality | 2020 |
| Crunchyz Chicken and Pizza Limited | Hospitality | 2015 |
| Crusader Cafe Limited | Hospitality | 2018 |
| Crush-Tec Limited | Administrative & support | 2010 |
| Crushed Music Ltd | Information & communication | 2025 |
| CRW Rentals Ltd | Real estate | 2025 |
| Crydent Ltd | Information & communication | 2019 |
| Cryers Technical Limited | Administrative & support | 1946 |
| Cryntech Ltd | Information & communication | 2026 |
| Cryptic Frame Ltd | Information & communication | 2023 |
| Crystal Aesthetics Ltd | Other services | 2012 |
| Crystal Clear (Northern) Limited | Professional & scientific | 2000 |
| Crystal Clear Card Payment Solutions Limited | Administrative & support | 2022 |
| Crystal Cremations Ltd | Other services | 2020 |
| Crystal Impex Ltd. | Wholesale & retail | 2017 |
| Crystal Life Planning Limited | Other services | 2018 |
| Crystal of Hope Ltd | Health & social care | 2021 |
| Crystal People Consultancy Ltd | Administrative & support | 2015 |
| Crystal Plumage Ltd | Information & communication | 2021 |
| Crystal Property Management Ltd | Real estate | 2015 |
| Crystal Shine Ltd | Administrative & support | 2019 |
| Crystal Vehicle Rental Services Limited | Administrative & support | 2015 |
| Crystal View Glazing Ltd | Construction | 2020 |
| Crystalcraft Limited | Administrative & support | 2003 |
| Crystalla Limited | Professional & scientific | 2024 |
| Crystals Build Ltd | Construction | 2023 |
| CS (Civils and Groundworks) Limited | Construction | 2012 |
| CS Autos NW Limited | Wholesale & retail | 2025 |
| CS Caloe Project Management Limited | Construction | 2020 |
| CS Civil Engineering Limited | Extraterritorial | 2021 |
| CS Civils (Holdings) Limited | Administrative & support | 2019 |
| CS Civils Limited | Extraterritorial | 2020 |
| CS Energy Solutions Ltd | Construction | 2024 |
| CS Enterprises (Hull) Limited | Wholesale & retail | 2000 |
| CS Gorsia Limited | Real estate | 2025 |
| CS Groundworks Limited | Extraterritorial | 2021 |
| CS Knight Software Services Ltd | Information & communication | 2021 |
| CS Plant Limited | Administrative & support | 2016 |
| CS Selections Ltd | Wholesale & retail | 2026 |
| Csbm Ltd | Wholesale & retail | 2023 |
| CSC - Candy Spa Thai Sport Clinic Ltd | Other services | 2026 |
| CSC Scaffolding Ltd | Construction | 2025 |
| CSF Renovations Ltd | Construction | 2018 |
| CSJ Securities Limited | Professional & scientific | 2015 |
| CSK Building Services (North West) Limited | Construction | 2017 |
| CSK Electrical Holdings Ltd | Professional & scientific | 2017 |
| Csl-Soft Ltd | Information & communication | 2017 |
| CSM (North West) Limited | Transport & logistics | 2016 |
| Csnn Limited | Construction | 2024 |
| CSW Consultancy Ltd | Professional & scientific | 2014 |
| CT Dance & Drama Ltd | Arts & recreation | 2020 |
| CTD Limited | Professional & scientific | 2022 |
| CTE Sustainable Solutions Limited | Professional & scientific | 2020 |
| CTG Consulting Two Limited | Information & communication | 2021 |
| CTM Practical Training Ltd | Education | 2024 |
| Ctse Plumbing & Heating Ltd | Construction | 2023 |
| CTT Technical Limited | Manufacturing | 1998 |
| Cubb Ltd | Manufacturing | 2024 |
| Cubbins Events Ltd | Hospitality | 2020 |
| Cubbins Hire Ltd | Administrative & support | 2024 |
| Cubbins Leisure Ltd | Arts & recreation | 2016 |
| Cube Coaches Ltd | Transport & logistics | 2024 |
| Cube Desserts Corporate Ltd | Administrative & support | 2020 |
| Cube Desserts Hindley Ltd | Hospitality | 2021 |
| Cube Desserts Ltd | Other services | 2015 |
| Cube Thinking Ltd | Professional & scientific | 2022 |
| Cubex Amplify Limited | Professional & scientific | 2026 |
| Cucina Italiana Restaurant Ltd | Hospitality | 2025 |
| CUE Consultants Limited | Professional & scientific | 2025 |