| Djsj Sports Limited | Arts & recreation | 2026 |
| DJU Property Services Ltd | Construction | 2017 |
| DKB Utilities Ltd | Construction | 2018 |
| DLW Company Formation Services 0021 Limited | Extraterritorial | 2013 |
| DM Estate Agents Ltd | Real estate | 2026 |
| DMD Communications Ltd | Information & communication | 2019 |
| DMD Window Cleaning Ltd | Administrative & support | 2019 |
| DMR Heritage Limited | Financial services | 2022 |
| DMW Systems Solutions Limited | Information & communication | 2017 |
| Dnha Consultancy Limited | Real estate | 2019 |
| DO Safety First Ltd | Administrative & support | 2021 |
| DOC Business Advisors Limited | Professional & scientific | 2024 |
| Doc's Properties Ltd | Real estate | 2024 |
| Docs Online 247 Ltd | Administrative & support | 2016 |
| Dogdu IT Ltd | Information & communication | 2020 |
| Domestic GAS Safety Ltd | Construction | 2003 |
| Domus Fisher Ltd | Manufacturing | 2026 |
| Donaldsons Limited | Real estate | 2016 |
| Donghai Takeaway Ltd | Hospitality | 2021 |
| Dongxin UK Limited | Manufacturing | 2009 |
| Dorsebas Clinicals Limited | Health & social care | 2026 |
| Dorthe Thomas & Co Ltd | Other services | 2025 |
| Dotties Mobiles Limited | Hospitality | 2025 |
| Double Discount Store Andover Ltd | Wholesale & retail | 2020 |
| Double-Dash Removals Ltd | Transport & logistics | 2026 |
| DOW Property Group Ltd | Real estate | 2025 |
| DOWN4 Consulting Ltd | Information & communication | 2009 |
| Downamics Ltd | Professional & scientific | 2020 |
| Downton Engineering Works Limited | Manufacturing | 1993 |
| Downtown Barbers Ltd | Other services | 2014 |
| DPA Consulting Engineers Limited | Professional & scientific | 2026 |
| DPB Software Development Limited | Information & communication | 2021 |
| DPH Garage Services Ltd | Wholesale & retail | 2005 |
| DPJ Services Ltd | Hospitality | 2025 |
| DR Rome Candy Limited | Health & social care | 2021 |
| Dragonfly Group Ltd | Information & communication | 2015 |
| Dragonfly Placements Ltd | Health & social care | 2025 |
| Dragons Hoard Collectibles Ltd | Wholesale & retail | 2023 |
| Draintech Tankers.Com Limited | Water & waste | 2015 |
| Dress Kitchens Limited | Manufacturing | 2020 |
| DRESSCODE365 Ltd | Manufacturing | 2026 |
| Driverzone Limited | Transport & logistics | 2022 |
| Driving.Limited.Co UK. Ltd | Transport & logistics | 2016 |
| Droppin Limited | Transport & logistics | 2018 |
| DRT Transport Services Ltd | Transport & logistics | 2019 |
| DRW Cost Consultants Ltd | Professional & scientific | 2024 |
| DRY Wall Surveying Services (Southern) Ltd | Construction | 2017 |
| Drywall Southern Ltd | Construction | 2018 |
| DS Vintage Ltd | Wholesale & retail | 2025 |
| Dufour Investments Limited | Financial services | 2025 |
| Dunning and Everard Limited | Administrative & support | 2007 |
| Dunning Design Architects Ltd | Professional & scientific | 2023 |
| Dunning Farms Limited | Agriculture & fishing | 1989 |
| Dunsmere Developments Limited | Construction | 1987 |
| Duoplys Curtains & Blinds Ltd | Construction | 2023 |
| Durngate Ltd | Professional & scientific | 2019 |
| DWD Metal Fabrication Ltd | Manufacturing | 2024 |
| Dwhalex Ltd | Transport & logistics | 2013 |
| DWM Plumbing, Heating & Cooling Ltd | Construction | 2026 |
| DWV Salisbury Ltd | Wholesale & retail | 2025 |
| DX Consulting Services Ltd | Information & communication | 2023 |
| Dynamic Composites Ltd | Manufacturing | 2016 |
| Dynamic Stretch Tents Ltd | Wholesale & retail | 2017 |
| E & M Batchelor Limited | Agriculture & fishing | 2011 |
| E Cunningham Property Consultants Limited | Financial services | 2025 |
| E L Veterinary Cardiology Limited | Professional & scientific | 2022 |
| E&M Lettings Ltd | Real estate | 2025 |
| E.J.R. Syndicate Limited | Agriculture & fishing | 2005 |
| E.W. Pinchbeck & Sons Limited | Wholesale & retail | 2001 |
| E3 Leadership Development Limited | Professional & scientific | 2016 |
| E4 Travel Limited | Other services | 2011 |
| Eadie & Crole Design Limited | Professional & scientific | 2019 |
| Eagerfront Limited | Households | 1986 |
| Eagle Property Investment Corporation Limited | Real estate | 2014 |
| Eagle Software Limited | Professional & scientific | 2008 |
| Earl Building Contractors Ltd | Construction | 2024 |
| Earthwise Groundworks Ltd | Professional & scientific | 2025 |
| Easton Production Ltd | Information & communication | 2020 |
| Easy Steps Photography Ltd | Professional & scientific | 2016 |
| Easymove Properties Ltd | Real estate | 2025 |
| Eats Meets Wets Limited | Real estate | 2012 |
| Eatsdigital Limited | Professional & scientific | 2020 |
| Eaturartout Ltd | Arts & recreation | 2019 |
| Eazy MIX Concrete Limited | Manufacturing | 2026 |
| Eazy-E Skip Hire Limited | Water & waste | 2013 |
| Ebme Tech Limited | Wholesale & retail | 2020 |
| Ebme Tech Services Ltd | Professional & scientific | 2019 |
| EBT Advisors Limited | Professional & scientific | 2022 |
| Eco - Electrical & Mechanical Services Limited | Construction | 2012 |
| ED Builders Ltd | Administrative & support | 2017 |
| Edmonds (London) Limited | Wholesale & retail | 1952 |
| EDP (Educational Development Projects) Trust | Education | 2009 |
| Edrock Group International Limited | Financial services | 2023 |
| Edrock One Limited | Financial services | 2023 |
| Edward James Associates Limited | Manufacturing | 2003 |
| EE Logistics Ltd | Transport & logistics | 2017 |
| EE Top Shine Ltd | Administrative & support | 2020 |
| EGB Ltd | Hospitality | 2021 |
| Ehrc Ltd. | Real estate | 2010 |
| Elane House Management Company Limited | Households | 1999 |