| Dante OR DIE Theatre Limited | Arts & recreation | 2006 |
| Danz Motors Ltd | Wholesale & retail | 2021 |
| Darcon Consultancy LLP | | 2023 |
| Darcon Consultants Limited | Construction | 2025 |
| Dark Knight Events Ltd | Other services | 2025 |
| Daronk Group Limited | Hospitality | 2016 |
| Daryl Gilley Limited | Professional & scientific | 2019 |
| Data Governance Ltd | Information & communication | 2026 |
| Datapoligence Ltd | Information & communication | 2026 |
| Dave Bennett Distribution Limited | Transport & logistics | 2000 |
| DB Cosmetics Ltd | Wholesale & retail | 2017 |
| Dbshirts Ltd | Wholesale & retail | 2026 |
| DDR Decorators Limited | Construction | 2010 |
| DE Motu Cordis Ltd | Information & communication | 2023 |
| De-Light Care and Support Ltd | Health & social care | 2021 |
| Deam Trading Limited | Hospitality | 2025 |
| Decorum 2014 Limited | Professional & scientific | 2014 |
| Dego Estate Solutions Ltd | Real estate | 2024 |
| Deli Verd Limited | Construction | 2009 |
| Delivery Demons Limited | Transport & logistics | 2019 |
| Dema Holding Limited | Financial services | 2025 |
| Dema Property Ltd | Real estate | 2025 |
| Dentech Apps Limited | Information & communication | 2020 |
| Dewtaste Limited | Construction | 1997 |
| Dhura Limited | Health & social care | 2017 |
| Digital Satellite & Aerial Services Limited | Wholesale & retail | 2009 |
| Divergent Brains CIC | Health & social care | 2025 |
| DJ Owens Limited | Transport & logistics | 2024 |
| DJ Transport Services Ltd | Transport & logistics | 2021 |
| DJG Groundworks and Landscaping Ltd | Construction | 2025 |
| DJM Haulage Solutions Ltd | Transport & logistics | 2025 |
| DJS Electrical Contractors Ltd | Energy | 2017 |
| DKH Property Limited | Real estate | 2024 |
| Dmgrimley Ltd | Transport & logistics | 2025 |
| DNA Holdings IRE Ltd | Hospitality | 2021 |
| DO & VY Transport Ltd | Transport & logistics | 2018 |
| Dobbys Properties Services Ltd | Extraterritorial | 2024 |
| Dockwall Limited | Hospitality | 2013 |
| Doggy Delicacy Limited | Wholesale & retail | 2025 |
| Dolarod Consulting Ltd | Manufacturing | 2009 |
| Dollie Aesthetics Ltd | Other services | 2020 |
| Dolmbi Ltd | Transport & logistics | 2026 |
| Donatservice Ltd | Transport & logistics | 2015 |
| Doroltan Transport Services Ltd | Transport & logistics | 2019 |
| Double Trouble Enterprises Limited | Wholesale & retail | 2026 |
| DR Cuisine Ltd | Hospitality | 2025 |
| DR IVY London Limited | Wholesale & retail | 2024 |
| DRB Services Limited | Construction | 2003 |
| Drdkb Management Limited | Professional & scientific | 2019 |
| Drift Machine Ltd | Manufacturing | 2023 |
| Driver Setup Limited | Transport & logistics | 2024 |
| Drjb JET Washing Limited | Administrative & support | 2025 |
| Droit Build Ltd | Construction | 2019 |
| DRP Transport Limited | Transport & logistics | 2025 |
| DRS Car Breakers Ltd | Wholesale & retail | 2020 |
| Drs.Car Parts Ltd | Water & waste | 2025 |
| DSD Engineering Limited | Manufacturing | 2019 |
| DSD Trade Limited | Wholesale & retail | 2014 |
| DSE Property Services Limited | Construction | 2020 |
| Dunford Transport Ltd | Transport & logistics | 2021 |
| Dunteldar Limited | Education | 2012 |
| Durtnall Epos Ltd | Wholesale & retail | 2026 |
| Dutton & SON Ltd | Wholesale & retail | 2026 |
| DWD Fabrication & Welding Ltd | Manufacturing | 2026 |
| E&S Direct Ltd. | Information & communication | 2011 |
| E.M.Parker Instruments Limited | Manufacturing | 1971 |
| Eagle Heritage Transport Limited | Transport & logistics | 2025 |
| Eagle Vision Loghmani Precision Evlp Ltd | Real estate | 2025 |
| Eastchurch Autos Limited | Wholesale & retail | 2005 |
| Eastchurch GAP Community Group Ltd | Construction | 2020 |
| Eastchurch Limited | Wholesale & retail | 2012 |
| Eastchurch Trading Ltd | Hospitality | 2025 |
| Eastern Court Management Company Limited | Households | 2020 |
| Eastland Meadows Ltd | Hospitality | 2002 |
| Eastwell Associates Limited | Professional & scientific | 2023 |
| Eco Smart Improvements Ltd | Construction | 2026 |
| Ecocore Mech Ltd | Construction | 2025 |
| Ecofuel Solutions Limited | Wholesale & retail | 2026 |
| Ecrop Limited | Agriculture & fishing | 2011 |
| ECS Online Ltd | Information & communication | 2018 |
| Eddie GAS & Heating Ltd | Construction | 2025 |
| Eden Fresh Ltd | Wholesale & retail | 2020 |
| Edmakeoverstyles Limited | Other services | 2022 |
| Edwards & SON Properties Ltd | Households | 2026 |
| Edwards & SON Rental Properties Ltd | Real estate | 2026 |
| Edwards and Cunningham Ltd | Real estate | 2025 |
| Efka Transport Limited | Transport & logistics | 2018 |
| Ejtemaiyee Consultancy Limited | Professional & scientific | 2026 |
| EKO Property Developments Limited | Construction | 2022 |
| Electrical ENG 24/7 Limited | Manufacturing | 2014 |
| Eledam Publishing Ltd | Information & communication | 2025 |
| Eleno Restaurant & Catering Limited | Hospitality | 2025 |
| Elmley Dray CIC | Education | 2022 |
| Elmley Nature Reserve Community Interest Company | Arts & recreation | 2014 |
| Elzoe Ltd | Health & social care | 2018 |
| Embla Group Community Collective CIC | Administrative & support | 2026 |
| Embla Group Holdings Ltd | Real estate | 2026 |
| Embla Group Ltd | Administrative & support | 2025 |
| Embla Group Property SPV Ltd | Real estate | 2026 |
| Emerald Business Solutions Limited | Professional & scientific | 2021 |