| DL Joinery and Building Ltd | Construction | 2023 |
| DLG Properties Limited | Real estate | 2014 |
| DM Classics Limited | Wholesale & retail | 2018 |
| DMC Site Services (UK) Ltd | Construction | 2014 |
| Dnet Consultancy Limited | Information & communication | 2007 |
| Dnjbb Limited | Other services | 2010 |
| DO Your Best Limited | Information & communication | 2008 |
| DOC Services (Leeds) Ltd | Administrative & support | 2007 |
| Donoghue Cycles Limited | Wholesale & retail | 2012 |
| Door Services Limited | Manufacturing | 2018 |
| Douglas Diagnostics & Servicing Ltd | Wholesale & retail | 2025 |
| Dove Furniture & Kitchens Limited | Manufacturing | 2023 |
| Doyle's Deli Ltd | Hospitality | 2022 |
| DPA Planning Limited | Professional & scientific | 2015 |
| DPL Property Limited | Real estate | 2017 |
| DR. Gemma Ltd | Health & social care | 2021 |
| Drax Bess Holdco Limited | Administrative & support | 2024 |
| Drax Bess Marfleet Limited | Energy | 2020 |
| Drax Bess Neilston Limited | Energy | 2022 |
| Drax Biomass Holdings Limited | Professional & scientific | 2012 |
| Drax CCS Limited | Professional & scientific | 2011 |
| Drax Corporate Limited | Administrative & support | 2005 |
| Drax Cruachan Expansion Limited | Professional & scientific | 2008 |
| Drax Electrical Limited | Manufacturing | 2009 |
| Drax Energy Solutions Limited | Energy | 2006 |
| Drax Finco PLC | Administrative & support | 2017 |
| Drax Generation Developments Limited | Administrative & support | 2011 |
| Drax Group Holdings Limited | Financial services | 2015 |
| Drax Group PLC | Professional & scientific | 2005 |
| Drax Innovation Limited | Professional & scientific | 2017 |
| Drax Pension Trustees Limited | Professional & scientific | 2015 |
| Drax Power Limited | Energy | 2003 |
| Drax Pumped Storage Limited | Energy | 2008 |
| Drax Research and Innovation Holdco Limited | Financial services | 2008 |
| Drax Retail Developments Limited | Professional & scientific | 2017 |
| Drax Smart Generation Holdco Limited | Financial services | 2011 |
| Drax Smart Sourcing Holdco Limited | Financial services | 2011 |
| Drax Smart Supply Holdco Limited | Financial services | 2017 |
| DRE Electrical Services Limited | Construction | 2011 |
| Dreams Kitchen Ltd | Hospitality | 2026 |
| Drive Properties and Estates Limited | Real estate | 2021 |
| Drive With Claire Ltd | Education | 2026 |
| DS Risk Group Ltd | Administrative & support | 2026 |
| DSL Global Freight Ltd | Transport & logistics | 2016 |
| Dungeons & Flagon Ltd | Hospitality | 2025 |
| Durhams Accountants Limited | Professional & scientific | 2015 |
| Dyfuso Limited | Information & communication | 2019 |
| E3 Cleaning Co Ltd | Administrative & support | 2026 |
| EA Pharma Asset Ltd | Real estate | 2024 |
| EA Pharma Ltd | Wholesale & retail | 2020 |
| EA PHARMA2 Ltd | Wholesale & retail | 2022 |
| EA PHARMA3 Ltd | Manufacturing | 2023 |
| EA PHARMA4 Ltd | Manufacturing | 2024 |
| EA PHARMA5 Ltd | Manufacturing | 2025 |
| EA PHARMA6 Ltd | Wholesale & retail | 2025 |
| Eagle Airport Transfers Ltd | Transport & logistics | 2024 |
| Eagle Eyewear Limited | Wholesale & retail | 2003 |
| Eagle Film Productions Limited | Information & communication | 2017 |
| Early Tree Limited | Information & communication | 2023 |
| East Coast Electric Generating Co. Ltd. | Energy | 1996 |
| East Yorkshire Business Advisers Ltd | Professional & scientific | 2017 |
| Easy Coil Limited | Manufacturing | 2012 |
| EB Production (Ecsb) Ltd | Administrative & support | 2022 |
| Ebor Bathrooms Limited | Extraterritorial | 2024 |
| Ebor Catering Systems Ltd | Manufacturing | 2004 |
| Eboracum JV Limited | Education | 2019 |
| EC Motors Ltd | Wholesale & retail | 2024 |
| EC Renovations Ltd | Real estate | 2025 |
| ECL Innovations Ltd | Professional & scientific | 2025 |
| Eco Green Appliances Ltd | Wholesale & retail | 2025 |
| ED Clews Limited | Arts & recreation | 2010 |
| Eden Properties (Yorkshire) Ltd | Professional & scientific | 2021 |
| Edenplus Properties Limited | Real estate | 2023 |
| Edit Finance Ltd | Financial services | 2021 |
| Educate Financial Ltd | Financial services | 2018 |
| Edwards Coachways Limited | Extraterritorial | 1987 |
| Effectus Theatre Ltd | Arts & recreation | 2021 |
| Eflooring Online Ltd | Wholesale & retail | 2021 |
| EGG Contracts Ltd | Construction | 2023 |
| EGG Joinery Ltd | Construction | 2018 |
| EH Renovation Co. Limited | Construction | 2024 |
| EK Contracting Ltd | Construction | 2025 |
| EK Lettings Ltd | Real estate | 2020 |
| EKG Property Investments Ltd | Real estate | 2024 |
| Elan Motors Limited | Wholesale & retail | 2016 |
| Electopia Ltd | Wholesale & retail | 2019 |
| Elements Odyssey Ltd | Wholesale & retail | 2023 |
| Elite Surface Preparation Ltd | Construction | 2014 |
| Elliott Planning Services Limited | Administrative & support | 1997 |
| Elliott Wood Property Ltd | Real estate | 2026 |
| Ellis Samuel Holdings Ltd | Households | 2025 |
| Emerging Development Corporation Limited | Real estate | 2005 |
| Emmaculate Care Services Limited | Health & social care | 2014 |
| Empyrean & Clarke Ltd | Extraterritorial | 2026 |
| Encounter Production Limited | Information & communication | 2017 |
| END of Term Limited | Information & communication | 2016 |
| Endeavour Asset Management (UK) Limited | Other services | 2020 |
| Energy and Sun Ltd | Construction | 2018 |
| ENERGY4HEAT Ltd | Extraterritorial | 2023 |
| Engine Film Productions Limited | Information & communication | 2019 |