| Darwin Property Limited | Real estate | 2015 |
| Data and Software Professional Applications Limited | Information & communication | 2006 |
| David England Builders Limited | Construction | 1998 |
| David FOX Solutions Limited | Professional & scientific | 2018 |
| Dawson and Daughters Limited | Financial services | 2020 |
| DB Graphic Design Limited | Information & communication | 2003 |
| DB Projects Kent Limited | Construction | 2016 |
| DDG Hire Ltd | Administrative & support | 2021 |
| DE Pass Wharf Ltd | Real estate | 2026 |
| Deanscott Home Improvements Limited | Construction | 2015 |
| Debca Ltd | Administrative & support | 2020 |
| Delego Limited | Administrative & support | 2018 |
| Delucys Ltd | Real estate | 2015 |
| Denton’S Art of Hair Ltd | Other services | 2022 |
| Derrick Thomas Limited | Real estate | 1978 |
| Devine Maintenance Ltd | Construction | 2023 |
| DG Bathrooms Limited | Construction | 2018 |
| Dhenn Solutions Ltd | Real estate | 2023 |
| Dice Fuels Ltd | Wholesale & retail | 2018 |
| Digital Tax Services Ltd | Professional & scientific | 2025 |
| Digital Wigwam Limited | Information & communication | 2015 |
| Dilligaf Limited | Professional & scientific | 2015 |
| Dinojake Properties Limited | Real estate | 2021 |
| Direct Mortgage Centre Limited | Financial services | 2001 |
| Ditton Best Kebab Limited | Hospitality | 2024 |
| Ditton Heritage Centre Limited | Arts & recreation | 2003 |
| DJ Building & Landscapes Ltd | Construction | 2022 |
| DJ Consulting Limited | Professional & scientific | 2024 |
| DMH & Consults Limited | Professional & scientific | 2021 |
| DML Cleaning Ltd | Administrative & support | 2018 |
| Dmmt Invicta Limited | Real estate | 2022 |
| Dmrc Consultancy Services Limited | Professional & scientific | 2022 |
| DNJ Properties Limited | Real estate | 2001 |
| DOC Reports Ltd | Administrative & support | 2009 |
| Dolphin Build Limited | Construction | 2016 |
| Domi KO Ltd | Construction | 2025 |
| Dons Management Services Limited | Real estate | 2010 |
| Dons Property Company Limited | Real estate | 2010 |
| Door Banner Ltd | Extraterritorial | 2012 |
| Door Finger Protector Ltd | Extraterritorial | 2015 |
| Downderry Way Management Limited | Households | 2014 |
| Drain Bros Ltd | Water & waste | 2024 |
| Drayton Financial Services Ltd | Financial services | 2002 |
| Dream Steam Limited | Arts & recreation | 2010 |
| Driscoll Distribution Ltd | Wholesale & retail | 2025 |
| DRS Financial Limited | Financial services | 2017 |
| DS Commercials (UK) Ltd | Wholesale & retail | 2011 |
| Dsplifeservices Ltd | Financial services | 2025 |
| DT Cooling Solutions Limited | Manufacturing | 2017 |
| Duncan Grubb Consultants Limited | Administrative & support | 2014 |
| DWD Total Vehicle Solutions Ltd | Wholesale & retail | 2023 |
| DWI Sales Agency Limited | Professional & scientific | 2025 |
| Dynasty (Wainscott) Limited | Hospitality | 2003 |
| E'S Pizza Revolution Ltd | Hospitality | 2021 |
| E-Crystal Limited | Construction | 2012 |
| Eaton Place Consulting Ltd | Professional & scientific | 2013 |
| Eats Travel Repeat Ltd | Professional & scientific | 2022 |
| Echo Property Management Limited | Real estate | 2022 |
| Eclats Holdings Limited | Administrative & support | 2009 |
| Eco MPS Limited | Wholesale & retail | 2019 |
| Ecomflex Ltd | Wholesale & retail | 2024 |
| Edens Daycare Limited | Health & social care | 2025 |
| Edenwood Events Ltd | Hospitality | 2020 |
| Edenwood Place Ltd | Real estate | 2020 |
| EDK BS Ltd | Construction | 2022 |
| Educare Clinical Training UK Ltd | Health & social care | 2026 |
| Eerhs Ltd | Wholesale & retail | 2024 |
| EIR Medics Ltd | Health & social care | 2020 |
| Ekclesia Ltd | Professional & scientific | 2021 |
| Elamert Cafe Takeaway Ltd | Hospitality | 2026 |
| Elanjickal Builders Ltd | Construction | 2018 |
| Elavait Consulting Ltd | Information & communication | 2025 |
| Elbe Designs Limited | Professional & scientific | 1980 |
| ELC Beauty South East Limited | Other services | 2019 |
| Electroneum Ltd | Information & communication | 2017 |
| Elements Group Limited | Wholesale & retail | 2023 |
| Elements Packaging Limited | Wholesale & retail | 2021 |
| Elena Miller & Company Ltd | Construction | 2024 |
| Elite Angling Limited | Administrative & support | 2014 |
| Elite Edge FX Academy Ltd | Education | 2023 |
| Elite Outdoor Limited | Administrative & support | 2022 |
| Elite Shredding UK Limited | Water & waste | 2022 |
| Elliott Environmental Drainage Limited | Water & waste | 2009 |
| Ellits Ltd | Other services | 1994 |
| Elphick Watson Limited | Professional & scientific | 2025 |
| Eltrolo Ltd | Transport & logistics | 2014 |
| Elwell Investments Limited | Construction | 1963 |
| Elwood Builders Ltd | Construction | 2017 |
| Elysium Flooring Limited | Construction | 2026 |
| Elysium House (Chatham) Management Company Limited | Households | 2021 |
| Emily Schofield Consulting Ltd | Professional & scientific | 2025 |
| EMO Ltd | Construction | 2007 |
| Empower Nutrition Limited | Wholesale & retail | 2025 |
| Energy Solutions (UK) Limited | Wholesale & retail | 1994 |
| Engineering Group Limited | Professional & scientific | 2022 |
| Enken Global Solutions Limited | Other services | 2010 |
| Enso Communications Ltd | Professional & scientific | 2015 |
| Enterprise Events Limited | Information & communication | 1989 |
| Envex Company Limited | Administrative & support | 1990 |
| Envirotec Holdings Limited | Professional & scientific | 2017 |