| Dress My Space Ltd | Other services | 2020 |
| Dress Your Daydream Ltd | Arts & recreation | 2021 |
| Drew Two's Consulting Ltd | Information & communication | 2013 |
| Driffield Devco LLP | | 2017 |
| Driffield Holdco 1 LLP | | 2017 |
| Driffield Holdco 2 LLP | | 2017 |
| Drilled Ltd | Construction | 2022 |
| Driscoll Developments Ltd | Households | 2023 |
| Dritech Engineering Limited | Manufacturing | 2023 |
| Drive Dealers Limited | Professional & scientific | 2023 |
| Drivec Ltd | Wholesale & retail | 2024 |
| Driver Medicare Ltd | Health & social care | 2022 |
| Drivers Driving School Ltd | Education | 2014 |
| Driving School Direct Limited | Education | 2000 |
| Drneelimapatel Ltd | Health & social care | 2022 |
| Drnsn Ltd | Health & social care | 2020 |
| Dronejems Ltd | Information & communication | 2018 |
| DRP Logistics Ltd | Transport & logistics | 2011 |
| DRT Global Strategic Consulting Limited | Professional & scientific | 2016 |
| Drum Hill Civils Ltd | Wholesale & retail | 2021 |
| DRY Riser Testing & Servicing Ltd | Professional & scientific | 2016 |
| DRY Risers Ltd | Professional & scientific | 2016 |
| Dryairhire Five Ltd | Administrative & support | 2019 |
| Dryspy Knowle Ltd | Hospitality | 2023 |
| DS & KS Properties Limited | Real estate | 2024 |
| DSA Estates Ltd | Real estate | 2021 |
| DSD Solutions Ltd | Information & communication | 2018 |
| DSL Caravans Ltd | Other services | 2017 |
| DSL Consultancy Ltd | Information & communication | 2014 |
| DST Electrical Services Limited | Construction | 2017 |
| DT Vantage Property Ltd | Real estate | 2016 |
| DT1 Ltd | Wholesale & retail | 2015 |
| DTA Consulting Limited | Information & communication | 2013 |
| DTD Capital Investments Limited | Construction | 2023 |
| DTM Advisory Ltd | Information & communication | 2026 |
| DTR Drinks Limited | Wholesale & retail | 2022 |
| Dual Green Ltd | Wholesale & retail | 2025 |
| Duchess Food Limited | Wholesale & retail | 1996 |
| Ducks in Line Ltd | Administrative & support | 2017 |
| Dudley Court Care Limited | Health & social care | 2006 |
| Duke and Lord Europe Limited | Professional & scientific | 2000 |
| Dukes Court Stratford Management Company Limited | Households | 2003 |
| Dumpling Box Ltd | Hospitality | 2024 |
| Dune and Union Limited | Extraterritorial | 2025 |
| Dunedin Mucklow Hill Limited | Construction | 2024 |
| Dunleavy Enterprises Limited | Real estate | 2019 |
| Dunmain Ltd | Other services | 2003 |
| Dunnes Construction Limited | Construction | 2017 |
| Dunstones Chemist Limited | Wholesale & retail | 2004 |
| DUO Sites Limited | Real estate | 2024 |
| Durant & Co (Finance) Limited | Financial services | 2018 |
| Durant & Co (Wills) Ltd | Other services | 2021 |
| Dutton Windows and Doors Ltd | Construction | 2023 |
| Dvmhh Ltd | Financial services | 2025 |
| Dward Scaffolding Co Ltd | Other services | 2010 |
| Dwell (Highgate) Ltd | Real estate | 2017 |
| Dwell Newcastle Ltd | Real estate | 2016 |
| Dwellings Options Ltd | Real estate | 2025 |
| Dwellwell Housing Ltd | Real estate | 2024 |
| Dwyer Advisory Limited | Professional & scientific | 2023 |
| Dyhydn Limited | Information & communication | 2016 |
| Dynamic Data Analytics Ltd | Information & communication | 2023 |
| Dynamic Kids Sports Coaching LLP | | 2025 |
| Dynamic Rides Limited | Arts & recreation | 2012 |
| Dyslexia Solihull Ltd | Education | 2024 |
| DZO Studio Ltd | Real estate | 2021 |
| E & J Enterprises Ltd | Wholesale & retail | 2025 |
| E & M Property Group Ltd | Real estate | 2020 |
| E and G Frozen Foods Limited | Wholesale & retail | 2015 |
| E Care Courses Limited | Education | 2024 |
| E H Smith (Builders Merchants) Limited | Wholesale & retail | 1964 |
| E H Smith Holdings Ltd | Real estate | 1970 |
| E J R Contracting Ltd | Construction | 2018 |
| E K M Solutions Ltd | Construction | 2025 |
| E M Paving Limited | Wholesale & retail | 2014 |
| E Parker Financial Services Limited | Financial services | 2020 |
| E R Pyne Ltd | Information & communication | 2025 |
| E Tech Trading Ltd | Wholesale & retail | 2020 |
| E Track Ltd | Manufacturing | 2019 |
| E&P Properties Ltd | Real estate | 2023 |
| E-Blinds Ltd | Manufacturing | 2023 |
| E-Logic Solutions Limited | Professional & scientific | 2025 |
| E-Mart Bargains Ltd | Wholesale & retail | 2024 |
| E-Services 2018 Limited | Wholesale & retail | 2016 |
| E-Tick Limited | Professional & scientific | 2015 |
| E. & D. Engineering (Erdington) Limited | | 1974 |
| E. L. Baughan Limited | Wholesale & retail | 1976 |
| E.C.C Construct Ltd | Construction | 2026 |
| E.K. Housing Limited | Other services | 2013 |
| E.L.C. (U.K.) Limited | Wholesale & retail | 1988 |
| E.R. Spraying & Decorating Ltd | Construction | 2023 |
| E.R.A. Cad/Cam Technology Limited | Information & communication | 1994 |
| E2E Global Logistics Ltd | Professional & scientific | 2015 |
| E8 Solutions Ltd | Financial services | 2014 |
| EA Grab Hire Ltd | Transport & logistics | 2023 |
| EA Investments Ltd | Construction | 2020 |
| EAC (Utility Services) Ltd | Professional & scientific | 2017 |
| Eades & Rustom Construction Limited | Construction | 2016 |
| Eagle EYE Property Investments Ltd | Other services | 2011 |
| Eagle Industrial Paints Limited | Manufacturing | 1970 |