| D5 Properties Ltd | Real estate | 2024 |
| DA Roma MCR Ltd | Hospitality | 2022 |
| DA S Rochas Ltd | Transport & logistics | 2019 |
| DAC Estates Limited | Real estate | 2016 |
| Daci Utilities Engineering Consultancy Limited | Professional & scientific | 2016 |
| Dacr Ceilings NW Ltd | Other services | 2015 |
| Daegon Capital Limited | Real estate | 2025 |
| Dafville Ltd | Extraterritorial | 2009 |
| Dailies Ltd | Information & communication | 2019 |
| Daisybank Farm Limited | Real estate | 2021 |
| Daisyville Ltd | Extraterritorial | 2005 |
| Dale Medihealth Ltd | Health & social care | 2021 |
| Dale Street Digital Limited | Information & communication | 2003 |
| Dalkeith Real Estates Ltd | Professional & scientific | 2022 |
| Dalmar Properties Limited | Professional & scientific | 1988 |
| Dalton Street Estates Limited | Other services | 2024 |
| DAM Mehadrin Limited | Other services | 2023 |
| Damia Homes Limited | Real estate | 2023 |
| Damp Point Ltd | Construction | 2026 |
| Damp Shield Preservations Ltd | Construction | 2019 |
| DAN Brook Consultancy Limited | Information & communication | 2014 |
| DAN Scott Styling Ltd | Health & social care | 2019 |
| Danda 4 Limited | Wholesale & retail | 2014 |
| Daneets Developments Limited | Construction | 2017 |
| Daneets Investments Limited | Construction | 2021 |
| Danesway Estates Limited | Real estate | 2012 |
| Danesway Residential Limited | Real estate | 2026 |
| Daneswell Estates Ltd | Real estate | 2024 |
| Dangwal Properties Limited | Real estate | 2025 |
| Danial Johns Limited | Wholesale & retail | 2018 |
| Daniel Cohen Ortho Limited | Administrative & support | 2015 |
| Daniel Goldman Group Ltd | Professional & scientific | 2019 |
| Danih Ltd | Wholesale & retail | 2025 |
| Danla Limited | Manufacturing | 2025 |
| Danmar Health Group Limited | Health & social care | 2023 |
| Danny Baldwin Ltd | Information & communication | 2023 |
| Danwood Timbers Ltd | Information & communication | 2026 |
| Danz Properties Limited | Real estate | 2018 |
| Darbar Persian Restaurant Limited | Hospitality | 2019 |
| Darchei Noam Ltd | Education | 2019 |
| Darchei Torah Limited | Education | 2010 |
| Dark Desire Ltd | Wholesale & retail | 2026 |
| Darkei Zadikim Ltd | Administrative & support | 2023 |
| Darnforth Limited | Extraterritorial | 2003 |
| Dart Telecom Ltd | Information & communication | 2022 |
| Darya’S Touch Ltd | Other services | 2025 |
| Dasa Prop Limited | Real estate | 2025 |
| Data Analytics & Consultancy Ltd | Information & communication | 2024 |
| Data Nominees Limited | Extraterritorial | 2006 |
| Dave Capewell Consultancy Ltd | Professional & scientific | 2021 |
| Davesdan Prolife Ltd | Information & communication | 2015 |
| Davesdanworld Limited | Wholesale & retail | 2024 |
| Daveydoors Limited | Construction | 2026 |
| Davgo Estates Ltd | Real estate | 2025 |
| David Arms Limited | Information & communication | 2021 |
| David Bruckshaw Limited | Wholesale & retail | 1978 |
| David Cummings Locuming Ltd | Professional & scientific | 2021 |
| David Hannah Homes Limited | Real estate | 2019 |
| David Hannah Ltd | Professional & scientific | 2014 |
| David LEE EDI Services Limited | Information & communication | 2001 |
| David Parkshills Ltd | Wholesale & retail | 2019 |
| Davidoe Limited | Health & social care | 2013 |
| Davidoe Properties Ltd | Real estate | 2026 |
| Davids Insolvency Limited | Professional & scientific | 2019 |
| Davids Park Hill Limited | Real estate | 2013 |
| Davids Parkshill Ltd | Wholesale & retail | 2018 |
| Davies and Fletcher Group Ltd | Real estate | 2022 |
| Davlea Estates Limited | Real estate | 2018 |
| Davood Builders Ltd | Construction | 2026 |
| Dawlish Investments Ltd | Real estate | 2024 |
| Dawson Roofing Limited | Construction | 2022 |
| DAX Cable Company Limited | Wholesale & retail | 2018 |
| DAX Tattoos Ltd | Other services | 2023 |
| Dazz Barber Limited | Other services | 2018 |
| DB Propco Ltd | Real estate | 2025 |
| DBS Building Service Ltd | Construction | 2015 |
| DBS Estates Ltd | Real estate | 2025 |
| DC Group Limited | Real estate | 2021 |
| DC Motors Salford Ltd | Wholesale & retail | 2025 |
| Dc&S Ltd | Wholesale & retail | 2016 |
| DCA Ventures Ltd | Real estate | 2023 |
| Dcc&S Ltd | Transport & logistics | 2024 |
| DCS Rail Group Ltd | Administrative & support | 2018 |
| DCS Recruitment Limited | Transport & logistics | 2007 |
| DCS Trading Group Ltd | Extraterritorial | 2016 |
| Dcuk Group Holdings Limited | Financial services | 2026 |
| DD Real Estate Limited | Real estate | 2020 |
| DD Sales Limited | Wholesale & retail | 2024 |
| Ddamure Limited | Manufacturing | 2025 |
| DDM Retail Ltd | Wholesale & retail | 2023 |
| Dealberry Limited | Wholesale & retail | 2015 |
| Deals Online T/A Berlin Tools Ltd | Wholesale & retail | 2022 |
| DEALS123 Ltd. | Wholesale & retail | 2016 |
| Deane Dental Care Limited | Health & social care | 2011 |
| Dearmans Property Limited | Professional & scientific | 2024 |
| Debayor Ltd | Professional & scientific | 2026 |
| Debbie’S Book Keeping Limited | Professional & scientific | 2025 |
| Debbie’S Studio Ltd | Other services | 2022 |
| Debby Design Limited | Professional & scientific | 2025 |
| Deblok Multipurpose Ltd | Wholesale & retail | 2018 |