| Dtpc Group Limited | Financial services | 2011 |
| DUA Halal Poultry Ltd | Wholesale & retail | 2020 |
| DUA Homes Ltd | Real estate | 2025 |
| DUA Wholesale Ltd | Manufacturing | 2020 |
| Dual Window Systems Limited | Construction | 2024 |
| Dualist Limited | Manufacturing | 2026 |
| Duarte Limited | Wholesale & retail | 2025 |
| Dubkation Campers Ltd | Extraterritorial | 2019 |
| Duck & Drake Limited | Hospitality | 2025 |
| Duct Life Ltd | Construction | 2017 |
| Dudley Hill Ltd | Real estate | 2025 |
| DUET3D Limited | Manufacturing | 2019 |
| Dukes Sports Travel Ltd | Wholesale & retail | 2010 |
| Dukesmead Property Limited | Real estate | 2025 |
| DUL JAY Care Services Limited | Health & social care | 2023 |
| Dullaway Ltd | Wholesale & retail | 2022 |
| Dumi Services Ltd | Transport & logistics | 2016 |
| Dunbridge Properties Limited | Real estate | 2023 |
| Dundee Estates Ltd | Administrative & support | 2011 |
| Dunedin City Lets Limited | Real estate | 2018 |
| Dungarwalla Holdings Ltd | Wholesale & retail | 2023 |
| Dunnaker Ltd | Hospitality | 2024 |
| Dunnottar Productions Limited | Information & communication | 2002 |
| Dunstan Mortgage Services Ltd. | Financial services | 2001 |
| DUO Temptations Limited | Wholesale & retail | 2025 |
| Durav Ltd | Construction | 2021 |
| Durcan Group Ltd | Financial services | 2023 |
| Durcan Ltd | Construction | 2023 |
| Durcan Services Limited | Construction | 2016 |
| Durham Brooks Properties Limited | Households | 2014 |
| Durham KSR Limited | Wholesale & retail | 2023 |
| DUS Energy Ltd | Professional & scientific | 2024 |
| Dushan Investment Ltd | Real estate | 2023 |
| Dusk Hotels Group Ltd | Hospitality | 2025 |
| Dustaway Cleaning Limited | Administrative & support | 2018 |
| Dustblasters Limited | Administrative & support | 2017 |
| Dustblasters Solution Ltd | Administrative & support | 2021 |
| DV Lettings Ltd | Real estate | 2025 |
| Dvolt Ltd | Wholesale & retail | 2025 |
| DVS Haulage Limited | Transport & logistics | 2019 |
| DVS Services Ltd | Administrative & support | 2026 |
| Dvsprop Ltd | Real estate | 2024 |
| DW Aesthetics Ltd | Other services | 2015 |
| DW Smith Ltd | Wholesale & retail | 2019 |
| DWELLINGS4U Holding Limited | Financial services | 2019 |
| DWG Plans Cambridgeshire Limited | Professional & scientific | 2025 |
| DWM Accounting Limited | Professional & scientific | 2010 |
| DWV Property Limited | Real estate | 2023 |
| DYB Fundraising Ltd | Professional & scientific | 2025 |
| DYB Payments Ltd | Administrative & support | 2025 |
| DYLANBEAR2026 Limited | Hospitality | 2026 |
| Dynamic Equilibrium Ltd | Health & social care | 2026 |
| Dynamic Evolution Consultancy Ltd | Health & social care | 2023 |
| Dynamic Installations and Maintenance Ltd | Construction | 2021 |
| Dynamic Passionate Care Ltd | Health & social care | 2021 |
| Dynamic Pro Clean Ltd | Administrative & support | 2023 |
| Dynu Ltd | Transport & logistics | 2021 |
| Dyos Business Services Ltd | Professional & scientific | 2022 |
| DZ Crystals Ltd | Manufacturing | 2023 |
| DZ Ventures T/A Shepherd Solutions Limited | Administrative & support | 2024 |
| DZB Holdings Ltd | Financial services | 2020 |
| DZB Ltd | Transport & logistics | 2019 |
| Dziekan Trans Limited | Transport & logistics | 2015 |
| Dzkd Ltd | Wholesale & retail | 2024 |
| Dzone 11 Ltd | Real estate | 2022 |
| Dzukas Ltd | Transport & logistics | 2023 |
| Découvrir LA VIE Limited | Information & communication | 2021 |
| E & B Serve’X Ltd | Financial services | 2022 |
| E & D Construct Limited | Construction | 2019 |
| E & ES Transport Ltd | Transport & logistics | 2023 |
| E & W Security Ltd | Administrative & support | 2025 |
| E Contractors Limited | Construction | 2019 |
| E F Z Steel Ltd | Construction | 2020 |
| E Friend Limited | Financial services | 2022 |
| E Friend Properties Limited | Real estate | 2024 |
| E Mawby Limited | Real estate | 2015 |
| E Morley Medical Services Ltd | Health & social care | 2025 |
| E Optical Limited | Health & social care | 2022 |
| E Surveyors Limited | Professional & scientific | 2012 |
| E Wheels Limited | Wholesale & retail | 2023 |
| E&K Cleaning Services Ltd | Administrative & support | 2022 |
| E-95 Limited | Water & waste | 2024 |
| E-Bound AVX EOT Limited | Administrative & support | 2021 |
| E-Bound AVX Limited | Manufacturing | 2009 |
| E-Bound Energy Limited | Manufacturing | 2023 |
| E-Bound Technologies Ltd | Administrative & support | 2019 |
| E-Bound Vision Ltd | Manufacturing | 2016 |
| E-Den Elearning Ltd | Information & communication | 2018 |
| E-Horizon Care Ltd | Health & social care | 2023 |
| E-Leather Management Company Limited | Professional & scientific | 2013 |
| E-Recruiter Limited | Administrative & support | 2009 |
| E.B. Refinishing Ltd | Construction | 2023 |
| E.D Peterborough Ltd | Hospitality | 2025 |
| E.O Ventures Ltd Limited | Real estate | 2023 |
| E.R.N Commercials Ltd | Manufacturing | 2022 |
| E.Romanos & Sons Property Ltd | Real estate | 2023 |
| E.S.Boss Ltd | Transport & logistics | 2018 |
| E1 Victa Ltd | Wholesale & retail | 2017 |
| E10 Electrical Ltd | Construction | 2023 |
| E2PAY.BIZ Ltd | Wholesale & retail | 2023 |