| Devkrupa Ltd | Wholesale & retail | 2025 |
| DGD Gallery Ltd | Wholesale & retail | 2019 |
| DGD Leicester Ltd | Wholesale & retail | 2019 |
| DGD Trading Ltd | Wholesale & retail | 2019 |
| Dhillon Carrier Limited | Transport & logistics | 2011 |
| Dhillon Haulage Limited | Transport & logistics | 2006 |
| Dicconson Holdings Limited | Professional & scientific | 1971 |
| Digidental Technology Ltd | Professional & scientific | 2023 |
| Digisom Ltd | Wholesale & retail | 2025 |
| Digital Analytics Ltd | Financial services | 2018 |
| Digital Licences Ltd | Wholesale & retail | 2022 |
| Digital Nightingale Ltd | Professional & scientific | 2022 |
| Digital Software Licences Ltd | Wholesale & retail | 2022 |
| Digital Wolf Ltd | Information & communication | 2008 |
| Diligi Limited | Professional & scientific | 2020 |
| Dimax Sport and Entertainment Agency Ltd | Arts & recreation | 2024 |
| Dinero Retail (Bedford) Limited | Other services | 2008 |
| Diva Trans Ltd | Transport & logistics | 2025 |
| Divergent Construction Ltd | Construction | 2026 |
| Dize Global Limited | Wholesale & retail | 2025 |
| DJF Construction Ltd | Construction | 2004 |
| DKC Agency Limited | Wholesale & retail | 2019 |
| Dloungenails Ltd | Other services | 2025 |
| Dmasterclass.Co.Uk Ltd | Education | 2022 |
| DMS Courier Ltd | Transport & logistics | 2021 |
| DMU Electrical Solutions Limited | Manufacturing | 2018 |
| Dogtastic Doggy Daycare Ltd | Agriculture & fishing | 2023 |
| Doitmedia (UK) Ltd | Professional & scientific | 2009 |
| Dolby Holdings Limited | Financial services | 2025 |
| Dolby Machine Tool Solutions Ltd | Manufacturing | 2008 |
| Dolby Real Estate Limited | Real estate | 2017 |
| Domusvesta Ltd | Information & communication | 2025 |
| DON Julio Limited | Wholesale & retail | 2023 |
| Donna Newman Consultancy Limited | Professional & scientific | 2017 |
| Dorada Entertainment Limited | Professional & scientific | 2026 |
| Doricah Ltd | Real estate | 2025 |
| Dorobas Limited | Wholesale & retail | 2024 |
| Dorrell Performance Floors Limited | Manufacturing | 2023 |
| Dosanjh Investor Ltd | Wholesale & retail | 2024 |
| DOT Dash Design Limited | Professional & scientific | 2008 |
| Dot.Com Glazing Limited | Administrative & support | 2000 |
| Douglas Concrete Holdings Ltd | Professional & scientific | 1993 |
| Douglas Concrete Limited | Professional & scientific | 1962 |
| Dovecote Stable Ltd | Real estate | 2022 |
| Doverhill Contracting Ltd | Construction | 2005 |
| Downes Management Consultancy Limited | Professional & scientific | 2021 |
| DP Wallace & SON Ltd | Construction | 2016 |
| DPR Midlands Limited | Other services | 2011 |
| DR Deesha Ltd | Health & social care | 2026 |
| DR Electrical Contractors Ltd | Construction | 2026 |
| Dragon Distribution Ltd | Wholesale & retail | 2012 |
| Dragonfacilities Ltd | Hospitality | 2025 |
| Drakkar Haulage Ltd. | Transport & logistics | 2017 |
| Drap Holdings Ltd | Financial services | 2020 |
| Drawbridge Project Management Limited | Administrative & support | 2013 |
| Dreadnought Investments Limited | Professional & scientific | 2025 |
| Dris Baker Limited | Administrative & support | 2010 |
| Drivelex Ltd | Transport & logistics | 2023 |
| DRJ Meakin Ltd. | Administrative & support | 2014 |
| DRM Care Solutions Limited | Extraterritorial | 2022 |
| Drug Metabolism Discussion Group Ltd | Administrative & support | 2025 |
| DS Architectural Ltd | Professional & scientific | 2019 |
| Dufour-Tasker Associates Limited | Real estate | 2017 |
| Duke Traditional Music, Ltd | Education | 2023 |
| Durham Box Company Limited | Manufacturing | 1989 |
| Dust Maids Ltd | Administrative & support | 2022 |
| Dutton & Sons Engineering Limited | Manufacturing | 2017 |
| Dwh/Wates (Thame) Limited | Construction | 2009 |
| DWL Builders Limited | Construction | 2024 |
| Dyad Digital Ltd | Professional & scientific | 2025 |
| Dymac Global Limited | Manufacturing | 2016 |
| Dynastix Ltd | Transport & logistics | 2019 |
| E B Motors Midlands Ltd | Wholesale & retail | 2020 |
| E P Smith Ltd | Professional & scientific | 2022 |
| E. Barker Limited | Construction | 1948 |
| E.Geary & SON Limited | Professional & scientific | 1955 |
| Eagle Productions International Limited | Arts & recreation | 2009 |
| Earclear Care Ltd | Health & social care | 2026 |
| Earth Star Ltd | Information & communication | 2023 |
| East Midlands Homecare Ltd | Health & social care | 2000 |
| Eastern Equity Limited | Real estate | 2024 |
| Eastman Village Energy Centre Management Company Limited | Households | 2020 |
| Eastman Village Residents’ Management Company Limited | Households | 2020 |
| Ebbsfleet Property Limited | Construction | 2001 |
| EC1 Law Limited | Professional & scientific | 2024 |
| Ecmg Group Limited | Financial services | 2023 |
| Eco MAC Asphalt Recycling Limited | Construction | 2023 |
| Eco Massive House Ltd | Construction | 2019 |
| Eco-Readymix Limited | Transport & logistics | 2004 |
| Eddie O'Shea Limited | Arts & recreation | 2024 |
| Eden Pictures Limited | Information & communication | 2014 |
| Eden Prosper Ltd | Financial services | 2015 |
| Eden Tree Care Ltd | Administrative & support | 2018 |
| EDS Fire Protection Ltd | Public administration | 2018 |
| Edwards & Edwards Consultancy Ltd | Professional & scientific | 2002 |
| Eighth Soul Ltd | Arts & recreation | 2023 |
| Ejlh Holdings Limited | Financial services | 2024 |
| Ejlh Partnership LLP | | 2021 |
| El-Te Global Consultancy Ltd | Professional & scientific | 2026 |
| Elan Removals & Storage Ltd | Transport & logistics | 2026 |