| County Park Commercials Ltd | Wholesale & retail | 2006 |
| COVER2020 Limited | Wholesale & retail | 2020 |
| Cradley Town DC CIC | Education | 2021 |
| Craigs Logistics Ltd | Transport & logistics | 2025 |
| Creative Expert Ltd | Wholesale & retail | 2026 |
| Creative Limbo Ltd | Information & communication | 2025 |
| Creatorise Studios Ltd | Professional & scientific | 2025 |
| Crendon Property Ltd | Real estate | 2026 |
| Crestcart Limited | Wholesale & retail | 2026 |
| Crispoo Takeaway Limited | Hospitality | 2025 |
| Cryst Trade Ltd | Wholesale & retail | 2025 |
| Crystal Bay Beauty Ltd | Other services | 2025 |
| CUP Code Ltd | Hospitality | 2025 |
| CUT Fellaz Barber Club Ltd | Other services | 2024 |
| Czech House Ltd | Wholesale & retail | 2018 |
| D & M (Property Management) Limited | Extraterritorial | 1996 |
| D D Drylining Ltd | Construction | 2026 |
| D&H Digital Ltd | Professional & scientific | 2025 |
| D.J.Haney (Blacksmiths & Fabrications) Ltd | Manufacturing | 2007 |
| Dachels Logistics Limited | Transport & logistics | 2026 |
| Dachels Medics Ltd | Health & social care | 2025 |
| Dadhwal Properties Ltd | Real estate | 2022 |
| Dale Scaffolding Services Ltd | Construction | 2024 |
| Daphne Francis Ltd | Public administration | 2012 |
| David Logistics Limited | Transport & logistics | 2025 |
| Davies Homes and Developments Limited | Construction | 2015 |
| Dawson Harwood Estates Ltd | Real estate | 2026 |
| DB Capital Services Limited | Wholesale & retail | 2015 |
| DB Convenience Limited | Wholesale & retail | 2015 |
| DB Stores Limited | Wholesale & retail | 2015 |
| Dchance Limited | Health & social care | 2015 |
| DDZ Ltd | Construction | 2024 |
| DE Titans Limited | Construction | 2022 |
| Deanton Limited | Hospitality | 2024 |
| Decota Property Ltd | Real estate | 2019 |
| Deejay Whales Limited | Arts & recreation | 2024 |
| Delta Entertainment Ltd | Wholesale & retail | 2021 |
| Denise Healthcare Ltd | Health & social care | 2024 |
| Dennings Solicitors Limited | Professional & scientific | 2009 |
| Dent Destroyer Ltd | Wholesale & retail | 2026 |
| Designo Doors Limited | Wholesale & retail | 2023 |
| Dessert N Tingz Ltd | Hospitality | 2026 |
| Detrra Fabrications Limited | Administrative & support | 1973 |
| Diamond Bistro Ltd | Hospitality | 2024 |
| Diamond Kleaning Limited | Administrative & support | 2026 |
| Diamond Public House Ltd | Hospitality | 2024 |
| Dicksons Transport Limited | Transport & logistics | 2018 |
| Dilshad Balti Limited | Hospitality | 2015 |
| Discover and Improve Ltd | Wholesale & retail | 2025 |
| Diztractions Ltd | Wholesale & retail | 2011 |
| Dizzley Ltd. | Administrative & support | 2019 |
| Dkcurrentsolutions Ltd | Construction | 2025 |
| DKO Properties Ltd | Hospitality | 2020 |
| Dohbox Ltd | Hospitality | 2025 |
| Dolphins Care Ltd | Health & social care | 2023 |
| Done Right Plus Services Ltd | Real estate | 2020 |
| Doulton Doors Limited | Manufacturing | 2007 |
| Drews 4 First AID Ltd | Education | 2018 |
| Drewton Living Ltd | Real estate | 2026 |
| Drive in Limited | Wholesale & retail | 1992 |
| Droicon Accident Repair Ltd | Wholesale & retail | 2023 |
| Drylinik Construction Limited | Construction | 2014 |
| DS Direct Limited | Wholesale & retail | 2025 |
| Dudley Golf Club Limited(The) | Other services | 1949 |
| Duffield and Thomas Holdings Ltd | Administrative & support | 2023 |
| E a Motorz Ltd | Wholesale & retail | 2022 |
| EAA Global Ltd | Real estate | 2026 |
| Eagles Sight Healthcare Service Limited | Health & social care | 2018 |
| Eagles Store Ltd | Wholesale & retail | 2026 |
| Eastora Ltd | Wholesale & retail | 2025 |
| EASYTRAINING21 Ltd | Construction | 2021 |
| EC Motor Sales Ltd | Wholesale & retail | 2026 |
| Eclat Detailing Ltd | Administrative & support | 2021 |
| Eden Construction Limited | Construction | 2023 |
| Edita Staffing Ltd | Administrative & support | 2018 |
| Efpio Limited | Manufacturing | 2025 |
| Eiar Capital Ltd | Real estate | 2024 |
| Eiar Financial Limited | Professional & scientific | 2024 |
| EIC Ltd | Construction | 2024 |
| Eliana Louisa Ltd | Other services | 2021 |
| Elite Automotive Burntwood Limited | Wholesale & retail | 2014 |
| Elite Xscapes Ltd | Administrative & support | 2026 |
| Eljayrail Ltd | Construction | 2019 |
| Emcot Limited | Other services | 1999 |
| Enardo Ltd | Other services | 2020 |
| Enardo Properties Ltd | Real estate | 2022 |
| Ener-G Group Ltd | Construction | 2016 |
| Energy Wise Insulation Ltd | Construction | 2025 |
| Ensure Evolution Ltd | Financial services | 2019 |
| Epic Payroll Services Limited | Professional & scientific | 2024 |
| Erijay Precious Grace Services Ltd | Wholesale & retail | 2023 |
| Essex Capital Ltd | Real estate | 2016 |
| Ethical Social Matters Ltd | Administrative & support | 2017 |
| Everall Digital Marketing Limited | Extraterritorial | 2025 |
| Evoah Ltd | Construction | 2026 |
| Excelchain Limited | Wholesale & retail | 2014 |
| Excelsior Midlands Limited | Real estate | 2011 |
| Excudo Trade Ltd | Wholesale & retail | 2024 |
| Explorer Travel and Tours Ltd | Administrative & support | 2024 |
| Exprexcart Ltd | Wholesale & retail | 2025 |