| Dace Environmental Ltd | Professional & scientific | 2025 |
| Daisy Freehold Limited | Real estate | 2021 |
| Dait Solutions Beheer Limited | Other services | 2025 |
| Dait Solutions Europe Limited | Other services | 2025 |
| Dana Painting Solutions Limited | Other services | 2022 |
| Dancap Limited | Professional & scientific | 2014 |
| Danehurst Holiday Lettings Limited | Real estate | 2023 |
| Danter Developments Ltd | Construction | 2023 |
| Darach Consulting Limited | Administrative & support | 2006 |
| Darcy Square Management Company Limited | Households | 1973 |
| Dark Horse Management International IBC Limited | Other services | 2020 |
| Dashboardcompany Limited | Professional & scientific | 2015 |
| Datchet House Management Company Limited | Households | 1994 |
| David IAN Furniture Limited | Wholesale & retail | 1995 |
| Davies Refurbishment Kent Ltd | Construction | 2022 |
| Davies Refurbishment LLP | | 2019 |
| Dawson Worldwide Ltd. | Administrative & support | 2006 |
| Daye Properties Ltd | Real estate | 2024 |
| Daye Restaurants Ltd | Hospitality | 2025 |
| DBL Inkt Limited | Other services | 2026 |
| DBV Limited | Other services | 2026 |
| DE Beekzijde Livestock Beheer Limited | Other services | 2025 |
| DE Beekzijde Livestock Limited | Other services | 2025 |
| DE Beekzijde Vleesvee Beheer Limited | Other services | 2025 |
| DE Beekzijde Vleesvee Limited | Other services | 2025 |
| DE Firewatch Limited | Professional & scientific | 2018 |
| Decision Point South Limited | Other services | 2026 |
| Delfinware Household Products Ltd | Manufacturing | 2018 |
| Deltika Limited | Other services | 2026 |
| Delway Developments Ltd | Construction | 2023 |
| Device Logic Ltd | Wholesale & retail | 2016 |
| Dexterity Kent Limited | Education | 2025 |
| DHZ Holding Limited | Other services | 2025 |
| Digital Spade Limited | Information & communication | 2025 |
| Dijo Group Holding Limited | Other services | 2024 |
| Dijo Group Limited | Other services | 2024 |
| Dinard Court Management Ltd | Households | 2019 |
| Dinky TV Limited | Information & communication | 2016 |
| Discover Your Calm Ltd | Education | 2022 |
| Diva Hair Design Ltd | Other services | 2025 |
| Divergent Education Limited | Education | 2025 |
| Divine Assets and Holding Co. Limited | Professional & scientific | 2019 |
| DJ Construction Management Ltd | Construction | 2024 |
| DM Platforms Limited | Other services | 2021 |
| Dock Discounter Limited | Other services | 2026 |
| Doff Your HAT Ltd | Other services | 2024 |
| Doll Dolls Ltd | Hospitality | 2025 |
| Dosage Limited | Wholesale & retail | 2024 |
| Dover Style Ltd. | Administrative & support | 2007 |
| Dover Yacht Charter Limited | Arts & recreation | 2015 |
| DOW Trading Ltd | Real estate | 2019 |
| DR FOX Gastroenterology Limited | Health & social care | 2018 |
| DR. Beauty Limited | Other services | 2023 |
| Dragon House Express Ltd | Hospitality | 2024 |
| Drawing Services Limited | Professional & scientific | 1995 |
| DRD Dienstverlening Limited | Other services | 2026 |
| DRM2 Holdco Limited | Administrative & support | 2023 |
| DRM2 Productions Ltd | Information & communication | 2025 |
| DTC Signalling Ltd | Transport & logistics | 2025 |
| DTS Group Europe Limited | Other services | 2025 |
| Dungeness Properties Limited | Construction | 2011 |
| Dunlan Limited | Professional & scientific | 2008 |
| Dust Bunnys Ltd | Administrative & support | 2025 |
| DUTCH4 Limited | Other services | 2020 |
| E&D45 Catering Limited | Hospitality | 2021 |
| E. Charlier and Sons Limited | Construction | 1987 |
| East Cliff Creatives Ltd | Wholesale & retail | 2019 |
| East Kent Cognitive Behavioural Therapy Limited | Health & social care | 2020 |
| Econex BMS & Electrical Ltd | Construction | 2026 |
| Edlington House Folkestone Limited | Households | 2008 |
| Edylton Limited | Professional & scientific | 2009 |
| Egan Property Management Limited | Real estate | 2020 |
| Elham Valley Events Ltd | Arts & recreation | 2021 |
| Ellgin Solutions Limited | Professional & scientific | 2013 |
| Ellie Nails Hythe Ltd | Other services | 2023 |
| Elmas Consultancy Ltd | Hospitality | 2020 |
| Elomnify Limited | Other services | 2025 |
| Elvain Telecoms Ltd | Construction | 2023 |
| Emerald Design Ltd | Professional & scientific | 2024 |
| Emerald Nile Estates Ltd | Real estate | 2024 |
| Emergency Medical Care and Training Services (Emcats) Ltd | Professional & scientific | 2012 |
| Emily and JO Limited Liability Partnership | | 2007 |
| Emotive Travel Marketing Ltd | Administrative & support | 2018 |
| Enviro Cleaning Solutions Ltd | Manufacturing | 2021 |
| Esperanza IBC Limited | Other services | 2021 |
| Essential Extras Limited | Extraterritorial | 2002 |
| Essential Travel Limited | Extraterritorial | 2001 |
| ETI Group Holdings Limited | Arts & recreation | 2004 |
| ETI Group Limited | Arts & recreation | 2003 |
| EU Coordination and Inspection Limited | Construction | 2025 |
| Euro Montage Greenhouses Beheer Limited | Other services | 2025 |
| Euro Montage Greenhouses Limited | Other services | 2025 |
| Euro-Detachering IBC Limited | Other services | 2024 |
| Eurocontainer Limited | Other services | 2024 |
| Europe Lease Limited | Other services | 2020 |
| Europe Underwear Company Limited | Professional & scientific | 2018 |
| European Trade and Technical Company Holding Limited | Other services | 2023 |
| European Trade and Technical Company IBC Limited | Other services | 2023 |
| EVA Benito Architect Limited | Professional & scientific | 2011 |
| Everkey Limited | Wholesale & retail | 2025 |