| Colonial Windows Limited | Manufacturing | 2003 |
| Commercial & Domestic Appliance Service Limited | Other services | 2013 |
| Complete Property Clearance & Removals Ltd | Administrative & support | 2020 |
| Complete Property Services (Midlands) Limited | Real estate | 2000 |
| Compton & Co. Accountants Limited | Professional & scientific | 2009 |
| Computer Systems & Peripherals Limited | Information & communication | 2004 |
| Concept 64 Ltd | Administrative & support | 2006 |
| Construct Developments (Dale Road) Limited | Real estate | 2025 |
| Construct Developments (Hilltop 2) Limited | Real estate | 2026 |
| Construct Developments (Hilltop) Limited | Construction | 2023 |
| Construct Developments (Walnut Marches) Limited | Construction | 2025 |
| Construct Developments Limited | Real estate | 2019 |
| Cooks Catering Limited | Hospitality | 2021 |
| Corngreaves Autos (Cradley) Ltd | Wholesale & retail | 2019 |
| Corngreaves Hall Building Management Limited | Households | 2011 |
| Corngreaves Hall Management Company Limited | Households | 2011 |
| Corporate and Specialist Protection Limited | Public administration | 2025 |
| Cougar Hose & Hydraulics Limited | Wholesale & retail | 1995 |
| CR Catering (Midlands) Limited | Hospitality | 2024 |
| Cradley ALL Days Ltd | Wholesale & retail | 2023 |
| Cradley Autos Ltd | Other services | 2018 |
| Cradley Capital Ltd | Financial services | 2021 |
| Cradley Catering Co. Limited | Hospitality | 2021 |
| Cradley Creations Ltd | Information & communication | 2018 |
| Cradley Engineering Limited | Manufacturing | 2007 |
| Cradley Heath Mini Market Limited | Wholesale & retail | 2017 |
| Cradley Heath Stores Ltd | Wholesale & retail | 2013 |
| Cradley Holdings Limited | Real estate | 2021 |
| Cradley Market Ltd | Wholesale & retail | 2023 |
| Cradley Pizza Ltd | Hospitality | 2025 |
| Cradley Service Station Ltd | Other services | 2024 |
| Cradley Spice Limited | Hospitality | 2024 |
| Crane Rail (Holdings) Limited | Real estate | 2015 |
| Craneplex Ltd | Wholesale & retail | 2022 |
| CRB Plastering Limited | Construction | 2023 |
| Creative Development & Design Ltd | Manufacturing | 2022 |
| Crest Capital Ltd | Extraterritorial | 2012 |
| Crest Corp Ltd | Extraterritorial | 2012 |
| Crest Real Estate Ltd | Extraterritorial | 2012 |
| Crewe Victoria Properties Limited | Real estate | 2022 |
| Crossroads Stories Limited | Information & communication | 2019 |
| Crown & Bridge Studio Ltd | Administrative & support | 2013 |
| CSJ Fiduciary Management Ltd | Extraterritorial | 2019 |
| CSM Global Solutions Limited | Real estate | 2015 |
| Cthorpe Healthcare Limited | Public administration | 2023 |
| Custom Design Hub Limited | Manufacturing | 2018 |
| Cutfast Coated Fixings Limited | Manufacturing | 2003 |
| Cutline Carpentry Contractors Ltd | Construction | 2015 |
| Cutting Edge Trading Limited | Manufacturing | 2013 |
| CY Green Garden Limited | Hospitality | 2024 |
| D & P Supplies Limited | Wholesale & retail | 2012 |
| D H Training Club Limited | Arts & recreation | 2025 |
| D Mills Consultant Limited | Construction | 2014 |
| D R Mechanical Services Limited | Construction | 2008 |
| D R S Tools Ltd | Manufacturing | 2002 |
| D Shuff Sizzling Grill Ltd | Hospitality | 2026 |
| D&J MAC Bros Limited | Real estate | 2024 |
| D. Vaughan Plastering Ltd | Manufacturing | 2022 |
| D.C Building & Renovations Ltd | Construction | 2015 |
| D.J.M Forex Ltd | Financial services | 2021 |
| D4 Building and Electrical Services Ltd | Construction | 2021 |
| Dada’S Patties and Jerk Ltd | Hospitality | 2025 |
| Dalia Brands Ltd | Wholesale & retail | 2024 |
| Damson Capital Limited | Construction | 2021 |
| Dancewear and Events Co. Ltd | Wholesale & retail | 2026 |
| Darben Limited | Real estate | 2003 |
| Darren Brant Pipework Services Limited | Construction | 2018 |
| Dave Cole Motors Limited | Wholesale & retail | 2010 |
| Dave's Phones Limited | Wholesale & retail | 2012 |
| David Banks Electrical Contractors Limited | Construction | 2003 |
| Davies (UK) Limited | Real estate | 2007 |
| Davies Woven Wire Limited | Manufacturing | 1997 |
| Dawid Szczypior Transport Limited | Transport & logistics | 2015 |
| Dayna Kayes Catering Limited | Hospitality | 2023 |
| Dbsn Ltd | Information & communication | 2019 |
| DC Investment and Property Ltd | Real estate | 2015 |
| Dccw Limited | Households | 2022 |
| DCR Events Limited | Administrative & support | 2013 |
| DE & NE Ltd | Hospitality | 2021 |
| Deacon Products Limited | Wholesale & retail | 1989 |
| Debco Limited | Administrative & support | 2018 |
| Decisions Building and Landscaping Ltd | Construction | 2023 |
| Deentek Limited | Information & communication | 2008 |
| Deeptailing Ltd | Wholesale & retail | 2025 |
| Delta Mechanical Installations Ltd | Construction | 2021 |
| Deluct Limited | Construction | 2015 |
| Deluxe Executive Chauffeurs Limited | Transport & logistics | 2016 |
| Denox Limited | Real estate | 2005 |
| Dental and Facial Aesthetics Specialists Ltd | Health & social care | 2020 |
| Dependable Care LLP | | 2015 |
| Dermallo Limited | Extraterritorial | 2013 |
| Design Engine Facades Limited | Administrative & support | 2016 |
| Design Engine Limited | Professional & scientific | 2011 |
| Design Engine Structures Limited | Professional & scientific | 2012 |
| Desirable Homes Limited | Other services | 2014 |
| Dhadwal Properties Limited | Real estate | 2025 |
| Diamond Car Wash Limited | Administrative & support | 2017 |
| Directukgold.Com Limited | Other services | 2017 |
| Ditchfield Limited | Construction | 2011 |
| Diya's Travel Ltd | Administrative & support | 2022 |