| DUO Group Developments Ltd | Real estate | 2022 |
| DUO Group Investments Ltd | Real estate | 2021 |
| DUO Lettings Ltd | Real estate | 2022 |
| DUO Property Stylers Limited | Professional & scientific | 2021 |
| DUO Ventures Limited | Information & communication | 2026 |
| Duotex Alliance Group LP | | 2016 |
| Duplicity Records Ltd | Information & communication | 2023 |
| Dupol Europe L.P. | | 2010 |
| Dupol International L.P. | | 2009 |
| Durachd Coaching Solutions Limited | Other services | 2025 |
| Durant Media LP | | 2015 |
| Durgadevi DOT Financial Limited | Professional & scientific | 2023 |
| Durham Cabs Ltd. | Transport & logistics | 2004 |
| Durham Sales LP | | 2014 |
| Durham Square Associates Limited | Real estate | 2022 |
| Durland LP | | 2012 |
| Durtech Trading LP | | 2016 |
| Dushi IT LP | | 2021 |
| Dust Co (Scotland) Ltd | Professional & scientific | 2019 |
| Duthus Investments Limited | Real estate | 2014 |
| Duthus Properties Limited | Real estate | 2001 |
| Dutmi SP | | 2001 |
| Dutton Lubricants LP | | 2018 |
| Duty FLY LP | | 2018 |
| Duwayhill Company LP | | 2012 |
| Duzgun Ltd | Hospitality | 2023 |
| DV Distribution LP | | 2011 |
| DVA Solutions Ltd | Information & communication | 2014 |
| DVC Agroforestry Farm Ltd | Agriculture & fishing | 2026 |
| DVC Investments Ltd | Agriculture & fishing | 2018 |
| Dviga Alliance LP | | 2014 |
| DVK Enterprises L.P. | | 2013 |
| Dvlptl Ltd | Information & communication | 2020 |
| Dvne LLP | | 2023 |
| Dvorak Limited Partnership | | 2006 |
| DVP Ventures Limited | Real estate | 2020 |
| DVR (Fife) Limited | Wholesale & retail | 2002 |
| DVR Today Limited | Administrative & support | 2016 |
| DW Football UK Ltd | Arts & recreation | 2023 |
| DW Group Holding LP | | 2022 |
| DW Joinery Ltd | Construction | 2021 |
| DW Links Limited | Real estate | 2008 |
| DW Properties (Edinburgh) Ltd | Real estate | 2022 |
| Dwain Industries LP | | 2014 |
| Dwam Studio Limited | Wholesale & retail | 2025 |
| Dwanged Ltd | Wholesale & retail | 2011 |
| Dwarf Digital Ltd | Professional & scientific | 2024 |
| Dwel Limited | Real estate | 2012 |
| Dwell & ILE Ltd | Real estate | 2019 |
| Dwello Ltd | Real estate | 2025 |
| DWH IT Services Limited | Information & communication | 2019 |
| DWH Tech Limited | Manufacturing | 2017 |
| Dwlmbf | Administrative & support | 2012 |
| DWS Trustees Limited | Professional & scientific | 2001 |
| DX Home Improvements Ltd | Construction | 2020 |
| DX Wealth Ltd | Wholesale & retail | 2026 |
| DX12 Limited | Real estate | 2024 |
| DX13 Limited | Real estate | 2024 |
| DX14 Limited | Real estate | 2024 |
| DX15 Limited | Real estate | 2024 |
| DX16 Limited | Real estate | 2024 |
| DX19 Limited | Real estate | 2022 |
| DX4 Limited | Financial services | 2016 |
| Dykelands Windfarm Limited | Energy | 2014 |
| Dymiquest Ltd | Administrative & support | 2024 |
| Dymo Supreme Company LP | | 2012 |
| Dynacon Global Ltd | Information & communication | 2016 |
| Dynam-Nic Dance Ltd | Arts & recreation | 2015 |
| Dynamic Advertising Group Limited | Professional & scientific | 2003 |
| Dynamic Computers (UK) Limited | Other services | 2005 |
| Dynamic Engine LP | | 2018 |
| Dynamic Fame LP | | 2015 |
| Dynamic Global Partners L.P. | | 2016 |
| Dynamic Heart Limited | Information & communication | 2019 |
| Dynamic Initiatives Limited | Professional & scientific | 2001 |
| Dynamic Investment Scotland Ltd | Real estate | 2023 |
| Dynamic Journey LP | | 2015 |
| Dynamic Management L.P. | | 2009 |
| Dynamic Mania LP | | 2016 |
| Dynamic Mindset Limited | Professional & scientific | 2025 |
| Dynamic Scaffolding (Scotland) Ltd | Construction | 2024 |
| Dynamic Step International LP | | 2016 |
| Dynamic Stone Masonry Ltd | Construction | 2017 |
| Dyneval Limited | Professional & scientific | 2020 |
| Dyniv Systems Ltd | Information & communication | 2015 |
| DYO Cutz Ltd | Other services | 2025 |
| Dypsyl, Daughters & Sons Ltd | Administrative & support | 2020 |
| Dzelgi Group LP | | 2016 |
| Dziadziak-Hermanowska Limited | Health & social care | 2023 |
| DZR Auto Ltd | Wholesale & retail | 2019 |
| Dzulesuk Ltd | Wholesale & retail | 2025 |
| DÈS I'Instant LP | | 2019 |
| Dùthchas Consulting Ltd | Professional & scientific | 2024 |
| D’Elpidioconsulting Ltd | Professional & scientific | 2025 |
| E & C Perth Ltd | Hospitality | 2018 |
| E & G Mcallister Ltd | Professional & scientific | 2018 |
| E & H Brothers Ltd | Wholesale & retail | 2020 |
| E & I Taxis Ltd. | Professional & scientific | 2003 |
| E Apothecary Ltd | Wholesale & retail | 2025 |
| E Bike Land Ltd | Wholesale & retail | 2025 |