| Crest Consulting Limited | Professional & scientific | 2018 |
| Crisp Finish Auto Spa Ltd | Administrative & support | 2026 |
| Crossways Recycling Limited | Water & waste | 2006 |
| Crowned Learners Limited | Education | 2023 |
| Crystal Transport Management Ltd | Transport & logistics | 2025 |
| CSE Heating Ltd | Construction | 2026 |
| CSK GOV Consulting Ltd | Information & communication | 2024 |
| CTS #41 Ltd | Wholesale & retail | 2020 |
| Culturetripart Limited | Information & communication | 2016 |
| CVG Group Ltd | Construction | 2017 |
| Cybercey Ltd | Information & communication | 2019 |
| CYG Consulting Limited | Professional & scientific | 2019 |
| Cygnus Academies Trust | Education | 2016 |
| Cyreb Medics Limited | Health & social care | 2021 |
| D&C Prime Properties Limited | Real estate | 2022 |
| D.J. Premises Ltd | Real estate | 2020 |
| D.M.J Group Limited | Construction | 2016 |
| Dabuda Limited | Professional & scientific | 2017 |
| DAL 89 Ltd | Transport & logistics | 2016 |
| Darini Limited | Public administration | 2022 |
| Dark Isle Digital Ltd | Information & communication | 2026 |
| Dartford Auto Body Repair Ltd | Wholesale & retail | 2025 |
| Data Legends Ltd | Information & communication | 2021 |
| Data XL Limited | Information & communication | 2014 |
| Dave Commercial Maintenance Ltd | Wholesale & retail | 2017 |
| Dawson Building and Electrical Limited | Construction | 2023 |
| Dcupcakediva Limited | Hospitality | 2024 |
| Ddexcel Limited | Administrative & support | 2015 |
| Degree Consulting Group Ltd | Education | 2025 |
| Delightful Gems Childcare Limited | Health & social care | 2022 |
| Desire Associate Limited | Professional & scientific | 2025 |
| DEV Shubh Ltd | Real estate | 2026 |
| DEY Distribution Ltd | Transport & logistics | 2023 |
| Dezire Clinics Ltd | Health & social care | 2023 |
| Dhansun Ltd | Real estate | 2026 |
| Dhvisha Ltd | Wholesale & retail | 2018 |
| Digital Skyline Ltd | Professional & scientific | 2025 |
| Digitom IT Ltd | Information & communication | 2018 |
| Discovery Studios Prospect AV Ltd | Real estate | 2025 |
| Divergence Network Ltd | Information & communication | 2018 |
| Divine Facilities Limited | Administrative & support | 2023 |
| Divine Project Management Services Limited | Professional & scientific | 2013 |
| Divine Truffles UK Ltd | Wholesale & retail | 2024 |
| Dlux Investments Ltd | Real estate | 2024 |
| DMP Lumi Services PVT Ltd | Information & communication | 2026 |
| Dnywork Ltd | Transport & logistics | 2024 |
| Doland Digital Ltd | Information & communication | 2018 |
| Domy Building Services Limited | Construction | 2014 |
| Domél Consulting Limited | Professional & scientific | 2023 |
| DON & Reece Construction Ltd | Construction | 2025 |
| DOOR2DOOR Locksmith Ltd | Administrative & support | 2025 |
| Doramo Ltd | Wholesale & retail | 2026 |
| DOT1 Limited | Professional & scientific | 2009 |
| DR RAV Aesthetics Ltd | Health & social care | 2020 |
| Draconia Composites Ltd | Manufacturing | 2024 |
| Dragonfly Office Ltd | Professional & scientific | 2019 |
| Dromed Ltd | Health & social care | 2024 |
| Drop-In Collection Ltd | Wholesale & retail | 2024 |
| Dsavage Procurement Specialist Limited | Administrative & support | 2015 |
| Dual Property Management Ltd | Construction | 2024 |
| Ducks Designer Flooring Ltd | Construction | 2020 |
| Dulair Ltd | Construction | 2023 |
| Duraforge UK Ltd | Wholesale & retail | 2025 |
| DWH Factory Limited | Information & communication | 2017 |
| Dynamic Health Ltd | Health & social care | 2019 |
| DZ Enterprises Limited | Health & social care | 2015 |
| E Barton Roofing Ltd | Construction | 2025 |
| E2U Limited | Manufacturing | 2017 |
| Eact Investments Ltd | Real estate | 2022 |
| Eagles Wings Services Limited | Information & communication | 2015 |
| Early Spoon Ltd | Hospitality | 2026 |
| East Facades Ltd | Construction | 2020 |
| Ebbsfleet Cricket Club Ltd | Arts & recreation | 2023 |
| Ebbsfleet Garden City Trust | Extraterritorial | 2019 |
| Ebbsfleet Home GP Ltd | Health & social care | 2025 |
| Ebbsfleet Intl. Trade Ltd | Wholesale & retail | 2018 |
| Eclat Global Services Ltd | Professional & scientific | 2014 |
| Ecoshield Plastering & Rendering Ltd | Manufacturing | 2025 |
| Educare Consults Limited | Education | 2025 |
| Education Marketing Services Ltd | Education | 2015 |
| EIA Prop Ltd | Real estate | 2026 |
| EL Olam Property Ltd | Real estate | 2026 |
| Eladon Electricals & Construction Services Limited | Construction | 2024 |
| Elegance 89 Barber Ltd | Other services | 2022 |
| Elevate Development Foundation | Education | 2023 |
| Elisam Realty Ltd | Construction | 2018 |
| Elite 10 Sport Ltd | Education | 2021 |
| Ella Dove Ltd | Information & communication | 2019 |
| Ellice Financial Planning Ltd | Financial services | 2019 |
| Elmcroft Ventures Ltd | Wholesale & retail | 2023 |
| Elonga Properties Limited | Real estate | 2025 |
| Empire Flooring Solutions Ltd | Construction | 2021 |
| Empress Tree Commodities Ltd | Wholesale & retail | 2022 |
| Emuosky Ltd | Transport & logistics | 2023 |
| Engimar Ltd | Construction | 2016 |
| Eric Transport Services Ltd | Transport & logistics | 2020 |
| Essex Rail Limited | Professional & scientific | 2025 |
| Estoria Ltd | Professional & scientific | 2023 |
| Etiler Property Management Ltd | Construction | 2023 |
| Euphoria Solutions Limited | Professional & scientific | 2011 |