| Diligent Hands Healthcare Limited | Administrative & support | 2021 |
| Dimant Plumber Ltd | Construction | 2024 |
| Dimensional Stone Limited | Extraterritorial | 2013 |
| Dimitrieukmaria Ltd | Transport & logistics | 2019 |
| Dimmack Holdings Limited | Financial services | 2019 |
| Dimmack Homes Limited | Real estate | 2017 |
| Dimmack Plant Hire Limited | Administrative & support | 2019 |
| Dine & Go Ltd | Hospitality | 2022 |
| Dingdongshop Ltd | Wholesale & retail | 2026 |
| Dining Diva Catering Equipment Ltd | Wholesale & retail | 2013 |
| Dinnington Podiatry & Chiropody Clinic Ltd | Health & social care | 2024 |
| Dino Drinks 2018 Limited | Hospitality | 2018 |
| Dinu Urban Market Ltd | Wholesale & retail | 2025 |
| Dion & Kian Investment Ltd | Real estate | 2024 |
| Direct Beds and Sofa Outlet Limited | Wholesale & retail | 2018 |
| Direct Brick Cutting Ltd | Construction | 2015 |
| Direct Capital Investments Ltd | Financial services | 2020 |
| Direct Cremation (South Yorkshire) Ltd | Other services | 2025 |
| Direct Cremation Care Ltd | Other services | 2024 |
| Direct Dents Ltd | Wholesale & retail | 2009 |
| Direct Express Logistics Cardiff Limited | Transport & logistics | 2008 |
| Direct Express Logistics Doncaster Limited | Transport & logistics | 2009 |
| Direct Express Logistics Stockport Limited | Transport & logistics | 2013 |
| Direct Factory Blinds Limited | Manufacturing | 2008 |
| Direct Flooring Doncaster Ltd | Construction | 2019 |
| Direct Gates Doncaster Ltd | Construction | 2025 |
| Direct Kitchen Doors Limited | Wholesale & retail | 2019 |
| Direct Meats Ltd | Wholesale & retail | 2026 |
| Direct Promo Solutions Ltd | Wholesale & retail | 2024 |
| Direct Scaffold Doncaster Limited | Construction | 2014 |
| Direct Scaffold Services Limited | Construction | 2002 |
| Direct Trade (Yorkshire) Limited | Manufacturing | 1998 |
| Direct Traffic Group Limited | Financial services | 2019 |
| Direct Traffic Holdings Limited | Financial services | 2008 |
| Direct Traffic Management Limited | Public administration | 1992 |
| DIRECTROUTE1 Ltd | Wholesale & retail | 2026 |
| Dirtbikelodge Ltd | Extraterritorial | 2023 |
| Dirty Digging Landscapes Ltd | Administrative & support | 2023 |
| Disability Awareness & Advice Limited | Professional & scientific | 2006 |
| Disabled Motorhome Hire Ltd | Administrative & support | 2025 |
| Disc-Tribution Ltd | Wholesale & retail | 2012 |
| Discount Homebrew Limited | Wholesale & retail | 2020 |
| Discount HUT Doncaster Ltd | Wholesale & retail | 2026 |
| Discount Roofing Solutions Ltd | Construction | 2026 |
| Discount Roofline Ltd | Construction | 2025 |
| Discover Financial Ltd | Financial services | 2022 |
| Discovery ADR Group Limited | Professional & scientific | 2006 |
| Discovery Executive Limited | Administrative & support | 2013 |
| Discovery Market Solutions Limited | Wholesale & retail | 1998 |
| Discovery Recruitment Limited | Administrative & support | 1998 |
| Discovery Surveys Limited | Professional & scientific | 2011 |
| Discovery Training (Yorkshire) Ltd | Administrative & support | 2013 |
| Discrepancy Ltd | Wholesale & retail | 2020 |
| Disosa BPS Ltd. | Professional & scientific | 2014 |
| Disstro & Co Ltd | Wholesale & retail | 2020 |
| Distinct Financial Management Limited | Financial services | 2000 |
| Distinct Management Holdings Limited | Financial services | 2018 |
| Distinction Training Ltd | Administrative & support | 2007 |
| District Four Design Limited | Professional & scientific | 2018 |
| District Heating UK Ltd | Construction | 2019 |
| Ditrex Real Estate Ltd | Real estate | 2016 |
| Diva Pets Limited | Wholesale & retail | 2016 |
| Divide Interiors Ltd | Construction | 2019 |
| Divine International Market Limited | Wholesale & retail | 2025 |
| Divine Kitchens Limited | Manufacturing | 2017 |
| Divine Rose Medicals Limited | Health & social care | 2023 |
| Divinity Healthcare Services Ltd | Health & social care | 2022 |
| Dixie-Spritz Ltd | Wholesale & retail | 2024 |
| Dixon Roofing Limited | Construction | 2025 |
| Dixon Stone Ltd | Manufacturing | 2007 |
| Dixon Timber Products Limited | Manufacturing | 1994 |
| Diyar Meat Limited | Manufacturing | 2023 |
| Diza Limited | Administrative & support | 2021 |
| DJ & JD Developments Limited | Construction | 2017 |
| DJ Horridge Transport Limited | Transport & logistics | 2002 |
| Djax Services Ltd | Professional & scientific | 2025 |
| DJB Installs EOT Ltd | Financial services | 2024 |
| DJB Installs Ltd | Construction | 2012 |
| DJB Renovations Limited | Construction | 2014 |
| DJD Holdings Ltd | Professional & scientific | 2016 |
| Djella Limited | Financial services | 2006 |
| DJH Sports and Sourcing Agencies Limited | Wholesale & retail | 2015 |
| DJL Farm Holdings Ltd | Wholesale & retail | 2025 |
| DJO Roper Ltd | Wholesale & retail | 2024 |
| Djoxkz International Ltd | Wholesale & retail | 2025 |
| DJR Construction Ltd | Construction | 2021 |
| DJT Rigging Solutions Limited | Information & communication | 2018 |
| DK Pottergate Ltd | Real estate | 2020 |
| DK Smith Rail Ltd | Construction | 2016 |
| Dkay-Training- Ltd | Construction | 2020 |
| DKE Investment Limited | Real estate | 2025 |
| DKL Properties Limited | Real estate | 2016 |
| DKS Directional Drilling Limited | Construction | 2025 |
| DKS Plant Limited | Administrative & support | 2023 |
| DKS Utilities Ltd | Construction | 2015 |
| DL Partnership (SL) Limited | Professional & scientific | 2010 |
| DLB Accounting Ltd | Professional & scientific | 2021 |
| Dleic Investments Ltd | Wholesale & retail | 2024 |
| Dllp Limited | Transport & logistics | 2025 |
| DLM Joinery Ltd | Manufacturing | 2026 |