| Design Principles Engineering Consultants Ltd | Professional & scientific | 2013 |
| Designa Property Investments Limited | Real estate | 2020 |
| Designaim Limited | Real estate | 1990 |
| Designed by ME Consultancy Ltd | Professional & scientific | 2016 |
| Designer Fashion Ltd | Wholesale & retail | 2015 |
| Desirable Golf Ltd | Wholesale & retail | 2015 |
| Desirable Properties Limited | Real estate | 2017 |
| Desire Meds Limited | Health & social care | 2024 |
| Desisident Ltd | Health & social care | 2017 |
| Dessert Restaurants Limited | Hospitality | 2024 |
| Desteney Limited | Financial services | 2006 |
| Desyurts Ltd | Hospitality | 2025 |
| Deux Chevaux Club of Great Britain (2CVGB) Limited | Other services | 2000 |
| Devaco Ltd | Construction | 2021 |
| Devcom Ltd | Administrative & support | 2016 |
| Developing and Building Ltd | Construction | 2022 |
| Developing Excellence Limited | Professional & scientific | 2013 |
| Developya Ltd | Wholesale & retail | 2022 |
| Devereaux Crescent Management Company Limited | Real estate | 2022 |
| Deville Draughting and Design Limited | Professional & scientific | 1989 |
| Devlin Enterprise Limited | Wholesale & retail | 2026 |
| Devspira Ltd | Information & communication | 2025 |
| Devstar Holdings Ltd | Real estate | 2021 |
| Dexl International Limited | Transport & logistics | 2024 |
| Dexpress Courier Ltd | Transport & logistics | 2026 |
| Dext Solutions Ltd | Professional & scientific | 2013 |
| Dexter Pollard Ltd | Construction | 2020 |
| Deys Family Funeral Care Ltd | Other services | 2024 |
| DF 4 International Football Pathways Limited | Arts & recreation | 2019 |
| DF Electrical and Security Ltd | Manufacturing | 2022 |
| Dfami Services Limited | Administrative & support | 2022 |
| DFN Haulage Limited | Transport & logistics | 2021 |
| DFS Furniture Holdings PLC | Professional & scientific | 2010 |
| DFS Furniture PLC | Professional & scientific | 2010 |
| DFS Spain Limited | Wholesale & retail | 2015 |
| DFW Foods Ltd | Wholesale & retail | 2023 |
| Dfw-Uk Limited | Manufacturing | 2007 |
| DG and SON Cabinets (Yorks) Ltd | Manufacturing | 2021 |
| DG Autos Doncaster Limited | Wholesale & retail | 2015 |
| DG Electrical (Doncaster) Ltd | Construction | 2026 |
| DG Landa Limited | Real estate | 2020 |
| DG Plumbing Supplies Limited | Wholesale & retail | 2025 |
| Dg's Joinery Limited | Construction | 2026 |
| DGB Roofing Ltd | Construction | 2022 |
| Dgch Properties Limited | Real estate | 2025 |
| Dgmpower P.U.R.E Ltd | Transport & logistics | 2025 |
| DGR Estates Ltd | Real estate | 2024 |
| DGS Wildlife and Pest Management Ltd | Agriculture & fishing | 2026 |
| Dgugo Ltd | Arts & recreation | 2024 |
| DH Courier Limited | Transport & logistics | 2002 |
| DH Logistics Ltd | Transport & logistics | 2025 |
| Dhaliwal Stores (Doncaster) Ltd | Wholesale & retail | 2019 |
| Dhesi Dhaba Limited | Hospitality | 2026 |
| DHH Fencing Ltd | Manufacturing | 2019 |
| DHP JET Cleaning Services Limited | Administrative & support | 2024 |
| DI Beauty Aesthetics Ltd | Extraterritorial | 2024 |
| DI Solutions (Harworth) Ltd | Construction | 2024 |
| Dial a Booze by Sultan Ltd | Wholesale & retail | 2023 |
| Dial Doncaster | Information & communication | 2002 |
| Diamond Consortium Ltd | Administrative & support | 2021 |
| Diamond Express Transport (Doncaster) Limited | Transport & logistics | 2025 |
| Diamond Express Transport Limited | Transport & logistics | 2019 |
| Diamond Holdco 2 Limited | Professional & scientific | 2010 |
| Diamond Holdco 7 Limited | Professional & scientific | 2010 |
| Diamond Nails & Spa 88 Ltd | Other services | 2026 |
| Diamond Nails DN Ltd | Other services | 2023 |
| Diamond Safety Management Ltd | Administrative & support | 2014 |
| Diamond Soul Healing CIC | Health & social care | 2023 |
| Diamonddiva UK Limited | Wholesale & retail | 2020 |
| Dianes Repairs Ltd | Wholesale & retail | 2024 |
| Dice Enterprise Ltd | Arts & recreation | 2013 |
| Dick Richards Beheer Ltd | Agriculture & fishing | 2007 |
| Dickinson Decorators Limited | Construction | 1997 |
| Dickinson Ilsley Limited | Professional & scientific | 2025 |
| Dickinson Wood LLP | | 2025 |
| Diddies Bakes Ltd | Wholesale & retail | 2024 |
| Didel Logistics Limited | Transport & logistics | 2021 |
| Diet and Cheat Ltd | Information & communication | 2025 |
| Difuria Aviation Limited | Administrative & support | 2022 |
| Difuria Farming (Properties) Limited | Agriculture & fishing | 2016 |
| Difuria Group Limited | Construction | 2009 |
| Difuria Plant Hire Ltd | Extraterritorial | 2010 |
| DIG IT ALL Agricultural Limited | Construction | 2022 |
| Diga Cleaning Services Limited | Administrative & support | 2026 |
| Digilinker Ltd | Professional & scientific | 2021 |
| Digital Affinity Ltd | Information & communication | 2016 |
| Digital Bookkeeping Solutions Ltd | Professional & scientific | 2018 |
| Digital Lead Experts (Doncaster) Ltd | Professional & scientific | 2021 |
| Digital Marketing Ltd | Information & communication | 2001 |
| Digital Strategy Services Limited | Information & communication | 2025 |
| Digital Tech Centre Ltd | Information & communication | 2025 |
| Digital Unity Limited | Information & communication | 2012 |
| Digital WOW Group Limited | Professional & scientific | 2023 |
| Digital WOW Limited | Information & communication | 2018 |
| Digital Zoodio Ltd | Professional & scientific | 2020 |
| Digitalkraft Limited | Information & communication | 2024 |
| Digitalxraid Ltd | Information & communication | 2015 |
| Digitech Security Solutions Ltd | Administrative & support | 2018 |
| Digizu Ltd | Information & communication | 2015 |
| Dilay Sultan Ltd | Hospitality | 2026 |