| Cunningham Sports Limited | Information & communication | 2007 |
| Cunswick Sporting Ltd | Arts & recreation | 2020 |
| Curb Food Limited | Hospitality | 2019 |
| Cure IT Coatings UK Limited | Manufacturing | 2000 |
| Cure IT Composites Limited | Construction | 1984 |
| Curiosity GIN Emporium Limited | Hospitality | 2018 |
| Curious Minds | Education | 2008 |
| Curious Road Limited | Professional & scientific | 2010 |
| Curley Developments Ltd | Construction | 2025 |
| Curley Group Holdings Ltd | Financial services | 2022 |
| Curley Group Lettings Ltd | Real estate | 2025 |
| Curosmind | Professional & scientific | 2025 |
| Curry Lounge NW Ltd | Hospitality | 2025 |
| Cusick Brickwork Limited | Construction | 2002 |
| Custom Adaptive Limited | Information & communication | 2012 |
| Custom Giftz Ltd | Manufacturing | 2018 |
| Customer Care North West Ltd | Construction | 2012 |
| Cutronas Compliance Consultancy Limited | Financial services | 2025 |
| Cutronas Customer Centre Limited | Administrative & support | 2020 |
| Cutting Barbers Limited | Other services | 2023 |
| CV Technologies Limited | Information & communication | 2021 |
| CW Art of Solutions | Professional & scientific | 2025 |
| CW Commercial Property Ltd | Real estate | 2026 |
| CW Flooring Limited | Wholesale & retail | 2009 |
| Cwci Private Wealth Management Ltd | Financial services | 2015 |
| CWF Fitting Services Ltd | Construction | 2025 |
| CWJ Projects Ltd | Mining & quarrying | 2023 |
| CWM Contracts Ltd | Professional & scientific | 2018 |
| Cycling Shakespeare Limited | Arts & recreation | 2020 |
| Cygnet Wigan Ltd | Construction | 2025 |
| CYN Organics Ltd | Water & waste | 2019 |
| Cyntra Apparel Ltd | Wholesale & retail | 2025 |
| Cyrus Controls Limited | Information & communication | 2002 |
| D & a Private Hire Limited | Transport & logistics | 2022 |
| D & C Whitmore Limited | Professional & scientific | 2016 |
| D & H Lamama Limited | Hospitality | 2017 |
| D & I Drilling Ltd | Construction | 2008 |
| D & J Flooring (North West) Ltd | Construction | 2024 |
| D & L Swan Ltd | Hospitality | 2024 |
| D & M Electrical Wigan Ltd | Manufacturing | 2017 |
| D & R Land Consultants Limited | Professional & scientific | 2024 |
| D a Car and Commercial Ltd | Wholesale & retail | 2018 |
| D a Collins Haulage Ltd | Manufacturing | 2012 |
| D a Electrical Solutions Ltd | Construction | 2020 |
| D Alexander Limited | Wholesale & retail | 2014 |
| D C F L Electrical Ltd | Professional & scientific | 2026 |
| D G Cleaning Limited | Administrative & support | 2016 |
| D Gaskell and Sons Haulage Limited | Transport & logistics | 2022 |
| D Gaskell and Sons Holdings Limited | Financial services | 2023 |
| D Halliwell Construction Limited | Construction | 2020 |
| D Hart Machine Services Limited | Manufacturing | 2025 |
| D Hart Properties Limited | Real estate | 2025 |
| D J Autos Ltd | Wholesale & retail | 2008 |
| D J H Tiling Specialists Ltd | Construction | 2020 |
| D J L Maintenance Services Limited | Manufacturing | 2022 |
| D J Project Services Ltd | Extraterritorial | 2023 |
| D K L Software Limited | Information & communication | 2002 |
| D L C Property Solutions Ltd | Real estate | 2024 |
| D L Events Hire Ltd | Administrative & support | 2025 |
| D L P Brickwork Limited | Construction | 2006 |
| D P Bodyworks Ltd | Manufacturing | 2021 |
| D Prior Consultant Limited | Construction | 2014 |
| D R Lockett and SON Limited | Construction | 2008 |
| D S Lasser Limited | Professional & scientific | 2016 |
| D Storey Properties Limited | Real estate | 2016 |
| D T M Property Solutions Ltd | Construction | 2021 |
| D W K Interiors Ltd | Construction | 2021 |
| D W Williams Contractors Limited | Wholesale & retail | 2010 |
| D&A Construct Ltd | Construction | 2021 |
| D&A PUB Management Limited | Hospitality | 2021 |
| D&C Atherton Civil Solutions Limited | Construction | 2024 |
| D&G Express Haulage Limited | Transport & logistics | 2025 |
| D&G Property Lettings Ltd | Real estate | 2025 |
| D&G Trucking Limited | Transport & logistics | 2017 |
| D&M Litwin Transport Ltd. | Transport & logistics | 2024 |
| D&P Road Freight Ltd | Transport & logistics | 2025 |
| D&S Williamson Properties Ltd | Real estate | 2025 |
| D. Cain & SON Limited | Transport & logistics | 2003 |
| D. Shawcross Limited | Construction | 1984 |
| D.A. Moving and Storage Ltd | Transport & logistics | 2018 |
| D.E.K. Cargo Ltd | Transport & logistics | 2020 |
| D.I Roofing Systems Limited | Construction | 2024 |
| D.L.Gwilliam Limited | Administrative & support | 2024 |
| D.M Handyman Landscapes Ltd | Administrative & support | 2023 |
| D.M.W. Drilling Limited | Construction | 2015 |
| D.Stonehouse Electrical Ltd | Construction | 2023 |
| D3 Interiors Limited | Construction | 2015 |
| D4LR Ltd | Wholesale & retail | 2025 |
| DA Property and Holdings Ltd | Households | 2026 |
| DAB Automation Ltd | Construction | 2014 |
| DAB Residential Lettings Ltd | Real estate | 2022 |
| DAC Landscape Architecture Ltd | Professional & scientific | 2023 |
| Daceras | Professional & scientific | 2025 |
| Dacs Properties Limited | Real estate | 2019 |
| Dact Developments Ltd | Construction | 2019 |
| Daffodils Dreams C.I.C. | Wholesale & retail | 2019 |
| Dagar Property Management Ltd | Professional & scientific | 2018 |
| Dailyz Food & Wine Ltd | Wholesale & retail | 2025 |
| Daisy Gains Pilates Limited | Arts & recreation | 2025 |
| Daisy Property Group Ltd | Real estate | 2025 |