| Dog House Group Limited | Hospitality | 2018 |
| Dolphin Motors Ltd | Wholesale & retail | 2015 |
| DON Fenticas Ltd | Hospitality | 2025 |
| Dordan Food House Limited | Wholesale & retail | 2019 |
| Dorfy Ltd | Wholesale & retail | 2022 |
| Double H Projects Ltd. | Administrative & support | 1999 |
| Douglas Court Care Home Limited | Health & social care | 2006 |
| Downes Investments Limited | Financial services | 2011 |
| Downes Properties Limited | Real estate | 1992 |
| Downes Residential Partnership LLP | | 2024 |
| Downes Short Stays LLP | | 2024 |
| DP Auto Services Ltd | Wholesale & retail | 2019 |
| DP Build Services Limited | Construction | 2017 |
| DP World Logistics Retail UK Ltd. | Manufacturing | 1995 |
| DP World Logistics UK Ltd | Transport & logistics | 1983 |
| DPB Carpentry & Construction Ltd | Manufacturing | 2025 |
| DR Jeffreys & Partners Limited | Health & social care | 2012 |
| Drawskills Limited | Professional & scientific | 2006 |
| Drayhaul International Limited | Transport & logistics | 2023 |
| Drayhaul Limited | Transport & logistics | 2014 |
| Drayton Croft Motorcycles Limited | Wholesale & retail | 2010 |
| DRE Group Limited | Financial services | 2005 |
| Drilling & Servicing Contractors Ltd | Construction | 2010 |
| Drinkall Engineering Ltd | Professional & scientific | 2018 |
| Drivestar Autos Ltd | Wholesale & retail | 2019 |
| Drizzle Creatives Ltd | Information & communication | 2024 |
| DRS Property Maintenance and Auto Ltd | Wholesale & retail | 2025 |
| DS Parker Limited | Information & communication | 2018 |
| DSB Soloutions Limited | Professional & scientific | 2024 |
| DSG Investments Ltd | Real estate | 2019 |
| DSH Motors Limited | Wholesale & retail | 2014 |
| DSP Design Ltd | Construction | 2018 |
| DTA Logistics Ltd | Wholesale & retail | 2019 |
| DTL Installations Ltd | Construction | 2026 |
| Dunk & SON Limited | Real estate | 2016 |
| Dunn Consulting Limited | Professional & scientific | 2015 |
| DUO Devs Ltd | Financial services | 2026 |
| Dutchy Developments Ltd | Real estate | 2025 |
| DWB Bodywize Ltd | Arts & recreation | 2023 |
| Dynamic Retail Interiors Ltd | Construction | 2022 |
| Dynamic Training and Development Limited | Education | 2020 |
| Dynamix Martial Arts Academy Limited | Education | 2023 |
| Dynodaze Customworx Ltd | Wholesale & retail | 2016 |
| Dürr CTS Ltd | Manufacturing | 2025 |
| E Harley Street Central Management Ltd | Health & social care | 2021 |
| E Harley Street Healthcare Services Eight Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Eighteen Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Eleven Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Fifteen Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Five Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Four Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Fourteen Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Nine Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Nineteen Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services One Ltd | Health & social care | 2020 |
| E Harley Street Healthcare Services Seven Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Seventeen Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services SIX Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Sixteen Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services TEN Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Thirteen Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Three Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Twelve Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Twenty Four Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Twenty Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Twenty One Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Twenty Three Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Twenty Two Ltd | Health & social care | 2023 |
| E Harley Street Healthcare Services Two Ltd | Health & social care | 2023 |
| E Harley Street Marketing Ltd | Health & social care | 2021 |
| E Harley Street Property Eighteen Limited | Real estate | 2023 |
| E Harley Street Property Five Limited | Real estate | 2021 |
| E Harley Street Property Four Limited | Real estate | 2020 |
| E Harley Street Property Nine Limited | Real estate | 2021 |
| E Harley Street Property One Limited | Real estate | 2020 |
| E Harley Street Property Three Limited | Real estate | 2020 |
| E Harley Street Property Twenty SIX Limited | Real estate | 2024 |
| E Harley Street Property Twenty Three Limited | Real estate | 2023 |
| E Harley Street Property Two Limited | Real estate | 2020 |
| E Harley Street Strategic Development Ltd | Health & social care | 2021 |
| E Phillips Interpreting Services Ltd | Professional & scientific | 2026 |
| E-Fox Web Solutions Ltd | Information & communication | 2016 |
| E-Sports UK Limited | Construction | 2005 |
| Eaglesvale(Uk) Ltd. | Health & social care | 2015 |
| Earl Shilton Launderette Limited | Other services | 2017 |
| Earthworks Plant Hire and Waste Ltd | Water & waste | 2017 |
| Easepace Computers Limited | Information & communication | 1994 |
| East Midland Coatings (Holdings) Limited | Professional & scientific | 2006 |
| East Midland Coatings Limited | Manufacturing | 1984 |
| East Midlands Occupational Health Limited | Health & social care | 2002 |
| Eastleigh Property Management Ltd | Real estate | 2025 |
| Easy Cleaning and More Ltd | Administrative & support | 2024 |
| Easy Laundry Limited | Other services | 2017 |
| EAW Site Services Ltd | Construction | 2018 |
| Ebdon Ltd | Information & communication | 2023 |
| Echo Digital Consulting Ltd | Information & communication | 2017 |
| Eco Garden Services Ltd | Administrative & support | 2023 |
| Eco UK Group Ltd | Professional & scientific | 2021 |
| Eco Window Systems Ltd | Manufacturing | 2011 |
| Ecolightinguk Limited | Manufacturing | 2007 |