| DEC Delivery Limited | Transport & logistics | 2025 |
| Deloroinm Ltd | Administrative & support | 2021 |
| DEN Haag Logistics Limited | Transport & logistics | 2016 |
| Denisa-Erik Ltd | Transport & logistics | 2019 |
| Denney King Consultants Limited | Professional & scientific | 2018 |
| Dennick Ltd | Construction | 2011 |
| Dennis Grove + SON Limited | Construction | 2018 |
| Descent Protection Group Ltd | Administrative & support | 2026 |
| Design at Source Limited | Professional & scientific | 2001 |
| Design WAR Ltd | Professional & scientific | 2018 |
| Designer Signs & Print Limited | Manufacturing | 2003 |
| Designflooring International (South) Limited | Wholesale & retail | 2007 |
| Designflooring International Limited | Wholesale & retail | 1997 |
| Designflooring.Com Limited | Wholesale & retail | 2003 |
| Destea Ltd | Hospitality | 2023 |
| Devfusion Limited | Information & communication | 2009 |
| Devon Tors Freehold Limited | Real estate | 2017 |
| DEW Property Services Limited | Real estate | 2026 |
| DF Stove & Flue Installations Limited | Construction | 2017 |
| DFF Solutions Ltd | Wholesale & retail | 2011 |
| Dhwd Leisure Ltd | Hospitality | 2025 |
| Diamond Driving Solutions Limited | Other services | 2015 |
| Dickie’S Framing Emporium Ltd | Manufacturing | 2025 |
| Dickinsons Limited | Financial services | 1997 |
| Dicosmo Properties Ltd | Real estate | 2016 |
| Digital Clinician Ltd | Information & communication | 2019 |
| Digitall Marketing Limited | Professional & scientific | 2017 |
| Digman Agri Plant Ltd | Manufacturing | 2018 |
| DIM Engineering Ltd | Manufacturing | 2021 |
| Dinota Holdings Ltd | Financial services | 2012 |
| Distort Films Ltd | Information & communication | 2023 |
| Diversity Business Services Ltd | Administrative & support | 2010 |
| Divine Coffee Boutique Limited | Wholesale & retail | 2015 |
| DJ Jeffreys Racing Club Ltd | Extraterritorial | 2022 |
| DJC Carpentry and Building (Capital Projects) Ltd | Financial services | 2018 |
| DJC Carpentry and Building (Developments) Limited | Real estate | 2024 |
| DJC Carpentry and Building Limited | Construction | 2013 |
| DK Total Vehicle Solution Limited | Wholesale & retail | 2024 |
| DM Terra Properties Ltd | Real estate | 2021 |
| Dm&Rd Transport Ltd | Transport & logistics | 2019 |
| DMC Salads Limited | Wholesale & retail | 2013 |
| DMJ Cars Ltd | Manufacturing | 2016 |
| DMT (Evesham) Ltd | Administrative & support | 2010 |
| Doflo & Co | Professional & scientific | 2011 |
| Dolphin Cooling Services Limited | Manufacturing | 2025 |
| Dorsington Allen Limited | Administrative & support | 2026 |
| Double Key Properties Ltd | Households | 2025 |
| Dourof Carpet Warehouse Ltd | Wholesale & retail | 2017 |
| Dowdeswell's Bar (HMJ) Ltd | Transport & logistics | 2015 |
| Dowdeswell's Gifts & Hampers Ltd | Wholesale & retail | 2023 |
| Dpcac Investments Limited | Financial services | 2022 |
| DR D Surendra Kumar Limited | Health & social care | 2008 |
| DR Dhushy Surendra Kumar Limited | Health & social care | 2013 |
| DR T H Mccarthy Ltd | Health & social care | 2020 |
| Drecorp Ltd | Professional & scientific | 2018 |
| Drover Cars Limited | Professional & scientific | 2008 |
| DSL Flooring Limited | Construction | 2019 |
| DUA Global Limited | Wholesale & retail | 2022 |
| Dubs in the Middle Ltd | Other services | 2015 |
| Duke Austin & Company Limited | Transport & logistics | 1999 |
| Dumbleton Hall Hotel Company Limited | Hospitality | 2020 |
| Dumbleton Hall Hotel Company UK Holdings Limited | Hospitality | 2021 |
| Dumbleton Hall Hotel Property Company Limited | Hospitality | 2020 |
| Dutch Cheeseman UK Ltd | Administrative & support | 2019 |
| DW Maintenance Ltd | Construction | 2026 |
| Dynamic Angling Products Ltd | Extraterritorial | 2022 |
| Dynamic Boosting Systems Limited | Professional & scientific | 2005 |
| E F Weaving (Holdings) Limited | Financial services | 2022 |
| E&C Heating & Plumbing Ltd | Construction | 2018 |
| E.F. Weaving Limited | Manufacturing | 1994 |
| E2E Transport Limited | Transport & logistics | 2017 |
| EA Interiors and Property Maintenance Ltd | Construction | 2025 |
| EA Talent Limited | Administrative & support | 2023 |
| East Trend Ltd | Wholesale & retail | 2025 |
| ECA Cleaning Ltd | Manufacturing | 2016 |
| Ecodude Ltd | Professional & scientific | 2013 |
| Eddie King Ltd | Wholesale & retail | 2025 |
| Eddie Philpott Limited | Construction | 2003 |
| Eddie's Autos Limited | Wholesale & retail | 2022 |
| Eden Garden Maintenance Limited | Administrative & support | 2003 |
| Edlosi Limited | Information & communication | 2000 |
| Eduard-Antonia Trans Ltd | Transport & logistics | 2019 |
| Edward Fraser Limited | Manufacturing | 2001 |
| Edwards Living Limited | Real estate | 2026 |
| Edwc Limited | Construction | 2014 |
| EDY Express Ltd | Transport & logistics | 2024 |
| Eeyore and More Events Ltd | Agriculture & fishing | 2025 |
| Effion Limited | Real estate | 2024 |
| Elaaoudi Property Care Limited | Construction | 2013 |
| Elagro Limited | Agriculture & fishing | 2021 |
| Eland Imperial Healthcare Ltd | Health & social care | 2023 |
| Electric Vehicle Manufacturers Alliance Ltd | Other services | 2025 |
| Electrical Solutions Evesham Limited | Other services | 2025 |
| Elements Trees & Gardens Limited | Administrative & support | 2022 |
| Elena & Marius Ltd | Transport & logistics | 2022 |
| Elgar Court Management Company Limited | Households | 1975 |
| Elite Appointment Setters UK Ltd | Professional & scientific | 2024 |
| Elite Carpentry Contractors Ltd | Construction | 2019 |
| Elite Holiday Homes Limited | Real estate | 2022 |
| Elite Plumbers and Heating Engineers Limited | Construction | 1992 |