| Doyouremember Limited | Wholesale & retail | 2004 |
| DPC Property and Real Estate Limited | Real estate | 2020 |
| Dpmarquees Limited | Arts & recreation | 2014 |
| DR and Sons Limited | Construction | 2021 |
| DR B Chiropractic Ltd | Health & social care | 2022 |
| DR Carboora Limited | Wholesale & retail | 2026 |
| DR Helen Gordon Ltd. | Health & social care | 2022 |
| DR Jack Stevens Ltd | Information & communication | 2025 |
| DR Laura Bennett Psychology Ltd | Health & social care | 2024 |
| DR LEO James Ltd | Professional & scientific | 2017 |
| DR Sports Limited | Arts & recreation | 2019 |
| Dragon Cloud Technology Limited | Information & communication | 2026 |
| Dragon Embers Development Limited | Information & communication | 2015 |
| Drain Shield Limited | Water & waste | 2026 |
| Drainage & Tanker Services Ltd | Water & waste | 2024 |
| Drake Business Services Limited | Administrative & support | 2020 |
| Drama Khan Ltd | Administrative & support | 2016 |
| Drawn Together Studios UK Ltd | Information & communication | 2024 |
| Drawsupa Company Limited | Professional & scientific | 1994 |
| DREAM442 Ltd | Arts & recreation | 2025 |
| DRF Consultancy Services Ltd | Administrative & support | 2020 |
| DRH Consultancy Ltd | Information & communication | 2018 |
| Driveronecall Limited | Wholesale & retail | 2019 |
| DRM Electrical Services Limited | Construction | 2016 |
| DRN Management Services Ltd | Information & communication | 2024 |
| Dromara Consulting Limited | Information & communication | 2009 |
| Drooth Limited | Wholesale & retail | 2009 |
| Drummit Ltd | Information & communication | 2020 |
| Dryadd Cargo Limited | Extraterritorial | 2012 |
| Drystone Ltd | Information & communication | 2022 |
| Drytech Property Services Ltd | Construction | 2026 |
| Drytech Roofing & Property Care Ltd | Construction | 2026 |
| DSB Car Sales Ltd | Wholesale & retail | 2021 |
| DSH Code Limited | Information & communication | 2024 |
| DSQ Group Limited | Professional & scientific | 2024 |
| Dsrsol Limited | Wholesale & retail | 2010 |
| DSZ Limited | Professional & scientific | 2022 |
| DT4 Limited | Professional & scientific | 2025 |
| DT9 Consulting Limited | Professional & scientific | 2021 |
| DTS2 Limited | Professional & scientific | 2024 |
| DTX Engineering Ltd | Professional & scientific | 2025 |
| Dualsplash Limited | Manufacturing | 2020 |
| DUB Digital Studio Ltd | Professional & scientific | 2021 |
| Duccio Events Limited | Other services | 2019 |
| Dudtek Ltd | Manufacturing | 2014 |
| Dugard Developments & Co Limited | Real estate | 2025 |
| Dugard Family Investments Limited | Real estate | 2025 |
| Duncan-Hawes Limited | Professional & scientific | 2020 |
| Dundarroch Consulting Limited | Financial services | 2017 |
| Durobrivae Ltd | Wholesale & retail | 2026 |
| DV Construct Ltd | Construction | 2025 |
| DVG Data Limited | Information & communication | 2019 |
| DWS Consulting Services Limited | Professional & scientific | 2023 |
| Dxcell Tech Limited | Information & communication | 2025 |
| DXP Consulting Ltd | Information & communication | 2023 |
| Dyetech Ltd | Information & communication | 2009 |
| Dylan Clarke Ltd | Information & communication | 2022 |
| Dynaclean Holdings Limited | Financial services | 2017 |
| Dynaclean Spraybooths Limited | Manufacturing | 1997 |
| Dynamatrix Solutions Ltd | Information & communication | 2016 |
| Dynamic Channels International Ltd | Wholesale & retail | 2023 |
| Dynamics Build Limited | Information & communication | 2025 |
| Dynamics Unlimited Consulting Ltd | Manufacturing | 2022 |
| Dynatime Consulting Ltd | Information & communication | 2022 |
| Dzen Ltd | Information & communication | 2018 |
| E Barrow Mods Ltd | Manufacturing | 2025 |
| E Lavelle Consulting Limited | Information & communication | 2019 |
| E&Eb Limited | Professional & scientific | 2020 |
| E&Eb Property Ltd | Real estate | 2021 |
| E&J Music Limited | Education | 2019 |
| E-Business Assist UK Limited | Information & communication | 2002 |
| E-Healthcare Consulting Ltd | Information & communication | 2022 |
| E-Lucid IT Consulting Limited | Information & communication | 2013 |
| E-Trading Systems & Investments Limited | Information & communication | 2004 |
| E-Wizz Limited | Wholesale & retail | 2022 |
| Earnest Data Limited | Professional & scientific | 2018 |
| Earth Energy Ltd | Professional & scientific | 2024 |
| Earthcast Limited | Professional & scientific | 2006 |
| Earthworm Landscapes Ltd | Administrative & support | 2013 |
| Easily Started Ltd | Information & communication | 2019 |
| East Anglia ENT Limited | Health & social care | 2019 |
| East Dorset Masonic Club Limited | Other services | 2005 |
| East Dorset TIC Limited | Arts & recreation | 2013 |
| Eastern Court (Brimsmore) Management Limited | Households | 2021 |
| Eastfield Stables Limited | Agriculture & fishing | 1999 |
| Ebay Telecom Limited | Information & communication | 2009 |
| Ebblake Storage Ltd | Other services | 2022 |
| Ebbtech Solutions Limited | Information & communication | 2022 |
| Echo Team Ltd | Health & social care | 2023 |
| Eclaircise Limited | Professional & scientific | 2024 |
| Eclipse Joinery Services Ltd | Construction | 2020 |
| Eco Airvent Holdings Limited | Financial services | 2024 |
| Eco Drainage and Maintenance Solutions Limited | Construction | 2025 |
| Eco Fresh Roofing Ltd | Construction | 2025 |
| Eco-Airvent Limited | Manufacturing | 2011 |
| Eco-Law Limited | Professional & scientific | 2014 |
| Economic Regulation Consulting Ltd | Professional & scientific | 2024 |
| Ecoshrink Ltd | Construction | 2015 |
| Ecowind Ltd | Professional & scientific | 2022 |
| ECP Invest Ltd | Real estate | 2024 |