| Donbess Ltd | Professional & scientific | 2010 |
| Doncaster Diamonds CIC | Education | 2025 |
| Doncaster Quickmix Ltd | Manufacturing | 2011 |
| Dons Transport Services Ltd | Transport & logistics | 2017 |
| Doodle My Noodle Ltd | Hospitality | 2025 |
| Dootson Motors Limited | Wholesale & retail | 2003 |
| Dotcos Global Market Ltd | Wholesale & retail | 2024 |
| Dottie Mouse Limited | Wholesale & retail | 2017 |
| Dove Care Limited | Health & social care | 2004 |
| Dovecote Park Limited | Manufacturing | 1996 |
| DPB Northern Civils Limited | Construction | 2013 |
| Dpdrillingservices Ltd | Construction | 2026 |
| DPG Refractory Specialists Ltd | Professional & scientific | 2022 |
| DR Colleen Appleyard Ltd | Health & social care | 2023 |
| DR Martin Shutkever Limited | Health & social care | 2015 |
| DR Properties (Wakefield) Ltd | Real estate | 2018 |
| DR Silver Ltd | Manufacturing | 2023 |
| Drae's Bar Limited | Hospitality | 2026 |
| Dream Weave Hair Sanctuary Ltd | Other services | 2024 |
| Driffield Championship Dog Show Limited | Arts & recreation | 2021 |
| Drizzledeseerts Ltd | Hospitality | 2023 |
| DRJ Heating Ltd | Construction | 2019 |
| DSK Logistics Limited | Transport & logistics | 2021 |
| DSL Transport Ltd | Wholesale & retail | 2006 |
| DT Carriers Ltd | Transport & logistics | 2024 |
| DT Haulage Ltd | Transport & logistics | 2025 |
| DTB Lettings Ltd | Real estate | 2026 |
| DTB Property Ltd | Real estate | 2023 |
| DTC Mechanical Ltd | Manufacturing | 2026 |
| DTD Recovery Limited | Transport & logistics | 2022 |
| Duco Engineering Design Limited | Professional & scientific | 2014 |
| Duggan Holdings Limited | Financial services | 2020 |
| Dulverton Rise 1973 Limited | Extraterritorial | 2013 |
| Dunn Deals Limited | Wholesale & retail | 2019 |
| Dunncroft Electrical Solutions Limited | Construction | 2014 |
| Dusk 'T' Dawn Ltd | Transport & logistics | 2014 |
| DVM Security Systems Ltd | Administrative & support | 2024 |
| Dw’S Carp Fishing Supplies Ltd | Wholesale & retail | 2026 |
| Dyas Driving Services Limited | Transport & logistics | 2019 |
| Dyas Group Ltd | Other services | 2023 |
| Dynamite Billiards Ltd | Arts & recreation | 2022 |
| Dynasty Plus Ltd | Wholesale & retail | 2025 |
| E M Engineering and Construction Ltd | Professional & scientific | 2018 |
| E T L Developments Limited | Agriculture & fishing | 2004 |
| E-Care Services Ltd | Health & social care | 2025 |
| E. W. Potatoes Limited | Agriculture & fishing | 2012 |
| E.C Auto Repairs Ltd | Wholesale & retail | 2023 |
| E.C Cosmetics Limited | Other services | 2019 |
| E.L. Industrial Commercial Maintenance Limited | Construction | 2001 |
| E.P.I.C Accountancy Ltd | Professional & scientific | 2015 |
| Eadiebeads Ltd | Hospitality | 2021 |
| Eagle Dominion Care Ltd | Administrative & support | 2023 |
| Eaglepro Security Ltd | Administrative & support | 2021 |
| Eaglewick Limited | Wholesale & retail | 2003 |
| Easday Braids Ltd. | Arts & recreation | 2022 |
| East Durham Boards Limited | Wholesale & retail | 1998 |
| Eastern Star Food Ltd | Hospitality | 2024 |
| Eastern Sun Chinese Takeaway Limited | Hospitality | 2024 |
| Easy Hire (UK) Limited | Administrative & support | 2013 |
| Ebor Marine Offshore Consultancy Limited | Professional & scientific | 2011 |
| Echoversetech Ltd | Information & communication | 2025 |
| Eco Control Solutions Limited | Construction | 2007 |
| Eco Energy AI Ltd | Professional & scientific | 2024 |
| Eco NET Zero Limited | Professional & scientific | 2021 |
| Economy Heating Ltd | Professional & scientific | 2020 |
| Ecotech Domestic Energy Solutions Limited | Manufacturing | 2018 |
| Ecotechstoves and Chimney Specialist Ltd | Administrative & support | 2019 |
| ECS Remediation Ltd | Water & waste | 2019 |
| Edivar Services Ltd | Construction | 2020 |
| EDWARDOTTIS23 Limited | Construction | 2023 |
| EEA Essentials Limited | Wholesale & retail | 2017 |
| Ehassist Ltd | Professional & scientific | 2023 |
| EL (Property Maintenance) Limited | Construction | 2015 |
| EL Freelance Ltd | Professional & scientific | 2021 |
| EL Muse Ltd | Hospitality | 2025 |
| Elan Mechanical Limited | Professional & scientific | 2013 |
| ELC Drawings Limited | Manufacturing | 2023 |
| Elderwood Property Limited | Real estate | 2020 |
| Elecco (Yorkshire) Ltd | Construction | 2025 |
| Electric Blanket Supermarket Limited | Extraterritorial | 2010 |
| Electric Kitchen Ltd | Hospitality | 2024 |
| Electrofusion Limited | Manufacturing | 2013 |
| Electronic Guard Security Limited | Administrative & support | 2012 |
| Elegant and Sparkling Limited | Administrative & support | 2025 |
| Elevate GK Limited | Wholesale & retail | 2025 |
| Elevate Yorkshire Hospitality Ltd | Professional & scientific | 2025 |
| Elevated Living Developments Ltd | Real estate | 2025 |
| Elite Energy & Property Maintenance Solutions Ltd | Construction | 2025 |
| Elite Interiors (Yorkshire) Limited | Construction | 2011 |
| Elite NDT Inspection Services Ltd | Professional & scientific | 2020 |
| Elite Plant Hire Ltd | Construction | 2018 |
| Elite Rugby Academy Limited | Arts & recreation | 2012 |
| Elkcott Developments Limited | Construction | 2015 |
| Ella Delivery Limited | Construction | 2022 |
| Ellis Dental Practice Limited | Health & social care | 2009 |
| Elohim-Adonai Limited | Other services | 2011 |
| Elrae Limited | Wholesale & retail | 2020 |
| Elsium Solutions Ltd | Other services | 2010 |
| Elysium Modular Buildings Ltd | Construction | 2025 |
| Emah Capital Limited | Real estate | 2020 |