| DM Developments (DMD) Ltd | Hospitality | 2024 |
| DM Motors (Mansfield) Ltd | Wholesale & retail | 2019 |
| DM Trans Logistic Ltd | Transport & logistics | 2025 |
| DM Tyres (Mansfield) Ltd | Wholesale & retail | 2020 |
| DMA Housing Ltd | Real estate | 2025 |
| DMA Properties Ltd | Real estate | 2025 |
| DMB Business Consultancy Limited | Administrative & support | 2020 |
| DMR Cook Ltd | Hospitality | 2021 |
| DMR Joinery Limited | Extraterritorial | 2022 |
| DNA Projects Limited | Construction | 2023 |
| DNC Automotive Limited | Wholesale & retail | 2026 |
| Dncb - Build Limited | Construction | 2025 |
| DNK Consultancy Limited | Real estate | 2011 |
| Dnmna Ltd | Transport & logistics | 2018 |
| Dobsons Mews Apartments Limited | Real estate | 2003 |
| Docmar Limited | Health & social care | 2012 |
| Doedan Global Limited | Transport & logistics | 2026 |
| Dog HQ Ltd | Other services | 2024 |
| Dogfest Promotions Limited | Arts & recreation | 2024 |
| Doggywalkabout Limited | Other services | 2018 |
| Dolls Aesthetics & Beauty Ltd | Other services | 2025 |
| Dolphin PUB Investment Limited | Real estate | 2011 |
| Domestic Cleaning Poles UK Ltd | Administrative & support | 2024 |
| Domestic Supplies Ltd | Wholesale & retail | 2008 |
| Dominic Conway Associates Limited | Professional & scientific | 2014 |
| Domus AD Posteros Ltd | Real estate | 2026 |
| Donaldson's Dry-Lining Ltd | Construction | 2024 |
| Donnas Doggy Hotel Limited | Agriculture & fishing | 2025 |
| Door Warehouse (Deeside) Limited | Wholesale & retail | 2015 |
| Dorico Ltd | Wholesale & retail | 2025 |
| DOT2DOT International Limited | Extraterritorial | 2002 |
| Dotty Enterprises Ltd | Information & communication | 2013 |
| Dotware Ltd | Information & communication | 2025 |
| Doughty Pubs Ltd | Hospitality | 2025 |
| Doulton Brook Properties Ltd | Real estate | 2023 |
| Dove & Bailey Limited | Real estate | 2022 |
| Dowdall Surveying Services Ltd | Professional & scientific | 2026 |
| Down Dhaba Limited | Hospitality | 2026 |
| Downie Enterprises Ltd | Wholesale & retail | 2010 |
| DPG Foam Convertors Limited | Manufacturing | 1991 |
| Dragon City 2018 Ltd | Hospitality | 2018 |
| Dragon Studio Ltd | Information & communication | 2020 |
| Drainage Pumps and Plants Ltd | Manufacturing | 2020 |
| DRC Interiors Ltd | Construction | 2021 |
| Drewery Leisure Ltd. | Wholesale & retail | 2013 |
| Drgti Group Limited | Construction | 2003 |
| Drive Growth Limited | Professional & scientific | 2022 |
| Drive-Cote Limited | Administrative & support | 1998 |
| Driversim Ltd | Professional & scientific | 2015 |
| Drszabo Limited | Health & social care | 2016 |
| DS Farrier Ltd | Agriculture & fishing | 2024 |
| Dskw Mechanics Limited | Wholesale & retail | 2025 |
| DSN Fish Bar Limited | Other services | 2025 |
| DTT Deliveries Ltd | Transport & logistics | 2015 |
| DU Parc Associates Ltd | Professional & scientific | 2018 |
| Dualtech Flood Doors Limited | Extraterritorial | 2010 |
| Dukeries (Rainworth) Limited | Construction | 2011 |
| Dukeries Homes Limited | Construction | 2013 |
| Duncodin Limited | Information & communication | 2014 |
| DUO Hair Studio Limited | Other services | 2020 |
| DUO Plumbing Ltd | Construction | 2019 |
| Durr Holdings Ltd | Financial services | 2025 |
| DUZY86 Ltd | Transport & logistics | 2016 |
| Dvmar Group Ltd | Construction | 2025 |
| Dvro Ltd | Transport & logistics | 2022 |
| DWB Plumbing & Heating Services Ltd | Construction | 2017 |
| Dwell Inn Coffee and Cakes Limited | Hospitality | 2026 |
| Dwellingx Limited | Real estate | 2024 |
| Dwgb Properties Limited | Real estate | 2025 |
| DWS Electrical Contracting Limited | Administrative & support | 2016 |
| Dynament Limited | Manufacturing | 2001 |
| Dynamic Access (UK) Limited | Construction | 2014 |
| Dynamic Blade Services Limited | Professional & scientific | 2017 |
| Dynamic Commercial Roofing Limited | Construction | 2025 |
| Dynamic Engineering and Development Ltd | Information & communication | 2016 |
| Dynamic Property Investments & Lettings Ltd | Real estate | 2018 |
| E H P Developments Ltd | Construction | 2007 |
| E L Triple a Ltd | Wholesale & retail | 2025 |
| E&A Car Sales Ltd | Wholesale & retail | 2026 |
| E&L Kleaners Ltd | Administrative & support | 2023 |
| E-Blast Communications Limited | Other services | 2018 |
| E-Sevyn Care Ltd | Health & social care | 2023 |
| E. Boachie Services Limited | Transport & logistics | 2019 |
| E.H.S Logistics Sameday Limited | Transport & logistics | 2021 |
| E.M.S. (Mansfield) Ltd | Manufacturing | 2000 |
| E5I Ltd | Financial services | 2026 |
| Ea-Worx Limited | Information & communication | 2013 |
| Eagle Apparel Golf Limited | Manufacturing | 2020 |
| Eagle Heart Promotions Ltd | Administrative & support | 2024 |
| Eagles Rendering Ltd | Construction | 2025 |
| EAR Care Specialists Ltd | Health & social care | 2021 |
| Early Tower Limited | Extraterritorial | 2022 |
| Earth Field Limited | Hospitality | 2023 |
| Earth Stompers Limited | Wholesale & retail | 2025 |
| Earthing Services LLP | | 2012 |
| Earthing Services UK Ltd | Manufacturing | 2015 |
| Easder Trading Limited | Wholesale & retail | 2019 |
| Easi-Clean Ltd | Administrative & support | 2024 |
| Easi-Hire Limited | Construction | 1995 |
| Easiseal Limited | Construction | 2004 |