| Dominik Kozela Limited | Professional & scientific | 2023 |
| Domus Builds Limited | Construction | 2025 |
| Dong Park Ltd | Health & social care | 2019 |
| Dongxi Marketing Limited | Administrative & support | 2016 |
| Dontay Limited | Hospitality | 2023 |
| Donut Trade Ltd | Information & communication | 2023 |
| Doocey Pipelines Limited | Wholesale & retail | 1995 |
| Doran (Holdings) Limited | Professional & scientific | 2013 |
| Dosse Posse UK Limited | Wholesale & retail | 2023 |
| Douro & Co Ventures Ltd | Hospitality | 2025 |
| DP Photography Limited | Professional & scientific | 2021 |
| DPE Dental Ltd | Health & social care | 2023 |
| DPI Signs and Printing Ltd | Manufacturing | 2011 |
| DPL Trading Limited | Professional & scientific | 2012 |
| DPM (Car Parking) Ltd | Real estate | 2012 |
| DPM Garden Rooms Ltd | Manufacturing | 2022 |
| DPW Global Limited | Professional & scientific | 2022 |
| DR Alex Davidson Ltd | Administrative & support | 2019 |
| DR HAY Consulting Limited | Information & communication | 2025 |
| DR Johanna Ward Limited | Health & social care | 2015 |
| DR LIV Schorah Ltd | Health & social care | 2022 |
| DR Priya RAI Consulting Limited | Health & social care | 2026 |
| DR TIM Knight Limited | Health & social care | 2016 |
| Dr.Stop Limited | Wholesale & retail | 2024 |
| Dragon Parade (Harrogate) Management Company Limited | Households | 2010 |
| Drape ME Pretty Ltd | Other services | 2026 |
| Drawn 2 Ltd | Professional & scientific | 2018 |
| Dream Displays Ltd | Manufacturing | 2014 |
| Dream Tree Homes Limited | Real estate | 2022 |
| Dream Tree Properties Limited | Real estate | 2022 |
| Dreamland Bedroom and Kitchen Ltd | Manufacturing | 2023 |
| Drift Recovery Limited | Other services | 2026 |
| Drive System Design Limited | Professional & scientific | 2007 |
| Drive Tuned Ltd | Wholesale & retail | 2026 |
| Drivescape Studio Ltd | Professional & scientific | 2026 |
| Drop Dead Gorgeous Beauty Ltd | Other services | 2016 |
| Drop Dead Gorgeous Smile Limited | Real estate | 2015 |
| Drph Media Limited | Professional & scientific | 2016 |
| DRS Commercial Services Limited | Financial services | 2006 |
| Drvaradyova Ltd | Health & social care | 2022 |
| DSJ Consultancy Ltd | Professional & scientific | 2018 |
| DSL Consulting Limited | Professional & scientific | 2014 |
| DT Technologies Ltd | Professional & scientific | 2014 |
| DT X2 Limited | Construction | 2023 |
| Dtafast Limited | Manufacturing | 2002 |
| DTM Logistics Limited | Transport & logistics | 2014 |
| Dtsar Engineering Ltd | Professional & scientific | 2019 |
| Dubclub Limited | Administrative & support | 2023 |
| Duelux Homes Ltd | Real estate | 2024 |
| Dunbridge Investments Limited | Real estate | 2010 |
| Dunbridge Ventures Limited | Real estate | 2009 |
| Duncan Smith Estates Limited | Real estate | 2012 |
| Dunchurch Classic Cars Limited | Wholesale & retail | 2020 |
| Dunchurch Land LP | | 2005 |
| Dunchurch Motors Limited | Wholesale & retail | 1990 |
| Dunne UK Properties Limited | Real estate | 2024 |
| Dunning Solutions Ltd | Information & communication | 2025 |
| Dunsmore Interim Limited | Professional & scientific | 2007 |
| DVC Property Sourcing Ltd | Real estate | 2026 |
| DXG Group Limited | Extraterritorial | 2024 |
| DXG Limited | Professional & scientific | 2025 |
| DXG Ventures Ltd | Professional & scientific | 2026 |
| Dyerbakerarchitecture Ltd | Construction | 2026 |
| Dykondi Star Ltd | Transport & logistics | 2017 |
| Dynamika Engineering Ltd | Professional & scientific | 2025 |
| Dynamx Fitness Ltd | Arts & recreation | 2020 |
| Dynamx Holdings Ltd | Financial services | 2026 |
| Dynamx Studios Ltd | Arts & recreation | 2026 |
| Dysonchaux Enterprises Limited | Hospitality | 2017 |
| E & C Communications Ltd | Professional & scientific | 2012 |
| E & M Consulting Limited | Professional & scientific | 2017 |
| E a Selvaraj Medical Services Ltd | Health & social care | 2025 |
| E H B Residential Limited | Real estate | 2008 |
| E I Rentals Limited | Real estate | 2025 |
| E to the Power of 3 Ltd | Education | 2025 |
| E.M. Therapeutic Services Ltd | Information & communication | 2019 |
| Eagle I Visuals Limited | Professional & scientific | 2008 |
| Eagles Arboriculture Limited | Agriculture & fishing | 2017 |
| Earles Venison UK Ltd | Wholesale & retail | 2025 |
| Earlsland Properties Limited | Real estate | 2025 |
| Early Bird Promotions Ltd | Other services | 2023 |
| Earn Learn Thrive Ltd | Education | 2019 |
| Earthen Lamp Ltd | Professional & scientific | 2013 |
| Easepoint Services Ltd | Transport & logistics | 2022 |
| Easipetwear Limited | Manufacturing | 2025 |
| East Park Dental Practice Limited | Health & social care | 2006 |
| East Point Trading Limited | Wholesale & retail | 2015 |
| Eastmore Carpentry Limited | Construction | 2011 |
| Easy Medicals Limited | Health & social care | 2007 |
| Easyfit Hardware Limited | Wholesale & retail | 2008 |
| Eath Cottage Farriers Ltd | Agriculture & fishing | 2021 |
| Ebba Holdings Limited | Real estate | 2022 |
| Ebbbody Limited | Health & social care | 2024 |
| EBBY78 Ltd | Wholesale & retail | 2025 |
| Echelon Strategies Ltd | Manufacturing | 2023 |
| Echo Ochre Limited | Information & communication | 2016 |
| Echo Software Solutions Limited | Information & communication | 2007 |
| Echomesh Limited | Professional & scientific | 2024 |
| Eclipse Electrical Kenilworth Ltd | Construction | 2019 |
| Eco Kraft UK Limited | Administrative & support | 2022 |