| Dhara Store Ltd | Wholesale & retail | 2023 |
| Diamond Kebab & Pizza Ltd | Hospitality | 2018 |
| Diary of a Debt Collector Ltd | Professional & scientific | 2023 |
| Dibsdall-Phillips Consulting Ltd | Information & communication | 2018 |
| Dibtrak Limited | Construction | 2015 |
| Dieran Properties Limited | Real estate | 2017 |
| Different HR Ltd | Administrative & support | 2016 |
| Digify.Me Ltd | Administrative & support | 2019 |
| Digital Space Bidco Limited | Information & communication | 2016 |
| Digital Space Cloud Services Limited | Information & communication | 2019 |
| Digital Space Delta Limited | Financial services | 2025 |
| Digital Space Group Limited | Information & communication | 2003 |
| Digital Space Holdco Limited | Information & communication | 2017 |
| Digital Space Managed Services Limited | Information & communication | 1986 |
| Digital Space Midco Limited | Information & communication | 2017 |
| Digital Space Technology Group Limited | Information & communication | 2010 |
| Digital Space Topco Limited | Information & communication | 2017 |
| Digital Space Uc&C Limited | Extraterritorial | 2019 |
| Dinky Dolphins Limited | Education | 2015 |
| Dinosaurs DEN Limited | Administrative & support | 2021 |
| Direct 23 Ltd | Wholesale & retail | 2008 |
| Direct Leisure Repairs Ltd | Wholesale & retail | 2026 |
| Direct Priority Logistics Ltd | Transport & logistics | 2026 |
| Discount People Ltd | Professional & scientific | 2026 |
| Discovery Festival Ltd | Arts & recreation | 1998 |
| DIW Ltd | Construction | 2023 |
| Dixon & Townsend Mechanical Services Ltd | Professional & scientific | 2013 |
| Dixon Bros Logistics Ltd | Transport & logistics | 2025 |
| DJB Financial Services Limited | Financial services | 2024 |
| DJK 25 Coeptis Ltd | Information & communication | 2025 |
| DJL Pest Solutions Limited | Administrative & support | 2023 |
| DJL Petfoods Ingredients Ltd | Manufacturing | 2017 |
| DJL VP Ltd | Construction | 2018 |
| DJM Race Preparation Ltd | Manufacturing | 2013 |
| DKM Property Limited | Construction | 2016 |
| DKM Property Management Ltd | Real estate | 2020 |
| DKV Edge Ltd | Wholesale & retail | 2019 |
| DL ID Limited | Manufacturing | 2013 |
| DM Burke Limited | Construction | 2007 |
| DMB Financial Solutions Ltd | Financial services | 2018 |
| DMH Assessments Ltd | Professional & scientific | 2020 |
| Dmsgrp Ltd. | Manufacturing | 2004 |
| DNF Transport Ltd | Transport & logistics | 2022 |
| Doc.Emi Ltd | Health & social care | 2023 |
| Dodman Swan Ltd | Real estate | 2019 |
| Dog House Enterprises Ltd | Real estate | 2019 |
| Dog Star Films Ltd | Information & communication | 2018 |
| Doherty Build Midlands Ltd | Construction | 2025 |
| Dolman Elite Services Limited | Wholesale & retail | 2025 |
| Dolphin Transport Limited | Transport & logistics | 2015 |
| Domestic Construction Services Limited | Construction | 2000 |
| Dominic Atkin Services Limited | Mining & quarrying | 2016 |
| Dominitemporal Services Limited | Arts & recreation | 1987 |
| Domlal Foundation Limited | Professional & scientific | 2007 |
| Doncaster Farm Limited | Agriculture & fishing | 1997 |
| Donko Engineering Limited | Professional & scientific | 2021 |
| Door Supply Group Ltd | Manufacturing | 2023 |
| Doorcatcher.Com Limited | Manufacturing | 2015 |
| DOT CL Solutions Ltd | Information & communication | 2025 |
| Dotty and Quinn Pet Co Ltd | Agriculture & fishing | 2026 |
| Dowe Transport Limited | Wholesale & retail | 2014 |
| Down 2 Earth Landscaping (Newark) Ltd | Administrative & support | 2012 |
| Dowthwaites Ltd | Real estate | 2018 |
| DR Abigail Saunders Limited | Other services | 2024 |
| Drive 101 UK Limited | Education | 2018 |
| Driver Plus Ltd | Transport & logistics | 2019 |
| Driving the Future Ltd | Transport & logistics | 2023 |
| Drymas Limited | Professional & scientific | 2011 |
| DSA Environment + Design Limited | Professional & scientific | 2010 |
| DSM Farmers Limited | Agriculture & fishing | 2014 |
| DTB International Ltd | Wholesale & retail | 2014 |
| Dtjtrans Ltd | Transport & logistics | 2018 |
| Dtsuk Limited | Manufacturing | 2025 |
| DUC748R01 Limited | Arts & recreation | 2023 |
| Duck Ponds (Lincoln) Limited | Agriculture & fishing | 2014 |
| Duct-In Ltd | Construction | 2020 |
| Duke IT Ltd | Information & communication | 2025 |
| Dukeries Associates Limited | Professional & scientific | 2018 |
| Dukes Estates Ltd | Real estate | 2020 |
| Dukoco Ltd | Mining & quarrying | 2019 |
| Dunskey LLC | | 2025 |
| Durabo Rarebreeds Ltd | Agriculture & fishing | 2024 |
| Duva Estate Holdings Ltd | Financial services | 2023 |
| DW Accessible Holidays Ltd | Hospitality | 2025 |
| DW ALL Trades Ltd | Water & waste | 2020 |
| DW Construction & Building Services Ltd | Construction | 2022 |
| DWB Electrical Installations Ltd | Construction | 2026 |
| Dynamic Training and Assessments Ltd | Education | 2019 |
| Dyslexia Network Limited | Education | 2017 |
| E - Lucidate Limited | Manufacturing | 2002 |
| E.C.Walton & Co., Limited | Manufacturing | 2004 |
| E.S.Rose,Limited | Real estate | 1927 |
| EA Industries Limited | Transport & logistics | 2018 |
| Eagle Motors Transport Limited | Wholesale & retail | 2013 |
| EAJ Electrical Services Limited | Construction | 2025 |
| Eakring Ecohousing Limited | Construction | 2018 |
| Eakring Farming Limited | Agriculture & fishing | 1975 |
| Earlshaw Supplies Ltd | Wholesale & retail | 2023 |
| Earth Beds London Limited | Professional & scientific | 2015 |
| Earth Ocean Sky Ltd | Wholesale & retail | 2024 |