| DFB Logistics Ltd | Transport & logistics | 2022 |
| DGL Trans Ltd | Transport & logistics | 2021 |
| Dialled in Cycles MFG Ltd | Wholesale & retail | 2025 |
| Diamond Diana Ltd | Wholesale & retail | 2024 |
| Diamond Services (Lincs) Ltd | Construction | 2022 |
| Diana Miftachoviene Permanent Make-Up Academy Ltd | Other services | 2023 |
| Dianatural Cosmetics Limited | Other services | 2023 |
| Diblaru DE LA Rasarit Ltd | Transport & logistics | 2025 |
| DIG Groundworks Ltd | Construction | 2020 |
| Digas Transport Ltd | Transport & logistics | 2022 |
| Digi-Go Limited | Manufacturing | 2017 |
| Digital and Growth Ltd | Professional & scientific | 2020 |
| Digital Concierge Ltd | Manufacturing | 2020 |
| Digital Transcription Services Ltd | Administrative & support | 2010 |
| Digitalis Kouider Yazid Ltd | Information & communication | 2025 |
| Dinamo Trans Ltd | Transport & logistics | 2021 |
| Dion Civil Engineering Limited | Professional & scientific | 2016 |
| Dippy Ridge Limited | Professional & scientific | 1992 |
| Direct Blasting Ltd | Professional & scientific | 2022 |
| Direct Roofing (WF) Ltd | Construction | 2025 |
| Directoru Trans Ltd | Transport & logistics | 2014 |
| Dirvis Spedition Group Limited | Transport & logistics | 2025 |
| Discount Roofing and Building Ltd | Construction | 2025 |
| Discovery Roofing Ltd | Construction | 2024 |
| Dishley Dlff (Holdings) Limited | Financial services | 2025 |
| Diverse JOB Group Ltd | Professional & scientific | 2023 |
| Divine Crossing - END of Life Doula Support Ltd | Health & social care | 2025 |
| DJ Go Trans Ltd | Transport & logistics | 2022 |
| DJC Construction (Spalding) Ltd | Construction | 2020 |
| DJG Transport Ltd | Transport & logistics | 2023 |
| DJT Group Ltd | Agriculture & fishing | 2019 |
| DJT Plants Limited | Agriculture & fishing | 2014 |
| DK Industrial Limited | Construction | 2023 |
| DK Performance Pathway Ltd | Arts & recreation | 2025 |
| DK Trans Logistics Ltd | Transport & logistics | 2018 |
| DLR (Lincs) Ltd | Transport & logistics | 2016 |
| DM Public House Payroll Services Limited | Administrative & support | 2014 |
| DMD Commercial Catering Equipment Services Ltd | Manufacturing | 2020 |
| Dmic Investments Limited | Financial services | 2019 |
| DMM Auto Solutions Limited | Wholesale & retail | 2017 |
| DMS Flowers Ltd | Wholesale & retail | 2016 |
| DMS Trans Ltd | Transport & logistics | 2024 |
| DND Transit Ltd | Transport & logistics | 2019 |
| Dobney Consultants Limited | Professional & scientific | 2024 |
| Doctor Crafted Limited | Health & social care | 2025 |
| Doggie Doodahs Ltd | Wholesale & retail | 2014 |
| DOM Ford Building Contractors Limited | Construction | 2024 |
| Dom-Mar Properties Limited | Real estate | 2003 |
| Domexis Ltd | Wholesale & retail | 2025 |
| Domino Reliability Consulting Ltd | Professional & scientific | 2025 |
| Dong HU Limited | Hospitality | 2021 |
| Donington Club Limited(The) | Hospitality | 1948 |
| Donington Fish and Chips Ltd | Hospitality | 2025 |
| Donington Light Commercials Limited | Wholesale & retail | 2011 |
| Donjon Ltd | Transport & logistics | 2016 |
| Dontruck&Son Limited | Mining & quarrying | 2013 |
| Doors and Doors Limited | Extraterritorial | 2023 |
| Dorado Tuning Ltd | Wholesale & retail | 2016 |
| Dorel Ungureanu Limited | Transport & logistics | 2014 |
| Doris Cafe Ltd | Hospitality | 2025 |
| Dorset Carpentry and Building Ltd | Construction | 2019 |
| Dorset Developments (Lincs) Ltd | Construction | 2024 |
| Dorset Flow Screed Flooring Ltd | Construction | 2024 |
| Dorset Homes Lincs Ltd | Other services | 2017 |
| Doru HGV Services Limited | Transport & logistics | 2016 |
| Dory Trans the World Limited | Transport & logistics | 2017 |
| Doskie Limited | Transport & logistics | 2026 |
| DOT COM Ventures Ltd | Information & communication | 2025 |
| Double 7 Design Limited | Professional & scientific | 2008 |
| Double 7 Holdings Ltd | Arts & recreation | 2025 |
| Double E'S Catering Ltd | Hospitality | 2025 |
| Double Roof Limited | Wholesale & retail | 2002 |
| DP Builders 1 Ltd | Construction | 2014 |
| DP Properties 1 Ltd | Administrative & support | 2021 |
| DPC Engineering Ltd | Professional & scientific | 2024 |
| DPH Electrical Contractors Ltd | Manufacturing | 2020 |
| DPP Solutions Ltd | Administrative & support | 2024 |
| DPS Education Limited | Education | 2023 |
| DPS Prestige Developments Ltd | Real estate | 2005 |
| DPS Special Projects Limited | Real estate | 2005 |
| DR Roderick J Orner Limited | Health & social care | 2007 |
| DR Roof and Renovations Ltd | Construction | 2025 |
| DR Vijai Cornelius Limited | Health & social care | 2024 |
| Drag Services Ltd | Transport & logistics | 2019 |
| Dragonfly Building Conservation & Landscape Design Limited | Professional & scientific | 2015 |
| Dragonwood (Oakham) Limited | Hospitality | 2015 |
| Dragosh Trans Ltd | Transport & logistics | 2025 |
| Dragostrans Ltd | Transport & logistics | 2015 |
| Drains R US (Eastern) Limited | Water & waste | 2003 |
| Drake Partners Ltd | Real estate | 2025 |
| Draw Dike Management Limited | Households | 2002 |
| Dream Gate Trading Ltd | Wholesale & retail | 2024 |
| Dremcon Ltd | Professional & scientific | 2022 |
| Drive by Websites Ltd | Information & communication | 2012 |
| Drive G & a Ltd | Transport & logistics | 2017 |
| Driver for Sure Ltd | Transport & logistics | 2023 |
| DRM Interim Consultant Services Ltd | Professional & scientific | 2026 |
| Dropstock Ltd | Wholesale & retail | 2025 |
| DRS Group Holding Ltd | Financial services | 2025 |
| DRT Fireplaces Ltd | Construction | 2023 |