| Definitive Developments Limited | Construction | 2004 |
| Deftechconsulting Ltd | Professional & scientific | 2026 |
| Dejan Ltd | Hospitality | 2019 |
| Delicious Dessert Poular Ltd | Wholesale & retail | 2024 |
| Delta Digital Limited | Information & communication | 2010 |
| Delta Sigma Limited | Professional & scientific | 2021 |
| Delta-V Consultancy Limited | Professional & scientific | 2012 |
| Demia Limited | Real estate | 2010 |
| Denebola Consultants Ltd | Real estate | 2023 |
| Denim Fashion Limited | Wholesale & retail | 2018 |
| Denizkan Global Limited | Wholesale & retail | 2025 |
| Depflo Limited | Professional & scientific | 2018 |
| Derek Smith ATD Limited | Construction | 2010 |
| Design Your Lifestyle Ltd | Wholesale & retail | 2018 |
| Desired Clothing UK Ltd | Wholesale & retail | 2024 |
| DEY GAS & Heating Engineers Ltd | Construction | 2020 |
| DF1977 Ltd | Transport & logistics | 2026 |
| DFL Homes Limited | Real estate | 2016 |
| DG Babyscan Limited | Health & social care | 2022 |
| DGA Precision Ltd. | Professional & scientific | 2014 |
| DGB Property Ltd | Real estate | 2023 |
| DGR Access Ltd | Construction | 2017 |
| DH Scotland Limited | Hospitality | 2019 |
| Dhurva Business Solutions Limited | Professional & scientific | 2012 |
| Diablo Enterprises Limited | Construction | 2018 |
| Diamond Plumbing Scotland Limited | Professional & scientific | 2013 |
| Digiflec Ltd | Information & communication | 2024 |
| Digihome Ltd | Transport & logistics | 2025 |
| Digiledger Solutions Ltd | Professional & scientific | 2025 |
| Digital Reflections Ltd | Information & communication | 2020 |
| Diligant NDT Ltd | Mining & quarrying | 2026 |
| Dima Group FM T/A First-Rate Maintenance Limited | Financial services | 2026 |
| Dima Group Ltd | Administrative & support | 2018 |
| Ding YI Limited | Hospitality | 2024 |
| Dingwall Solicitors Ltd | Professional & scientific | 2016 |
| Diostech Limited | Professional & scientific | 1989 |
| Discount Worktop Store Ltd | Wholesale & retail | 2013 |
| Discovery Group Scotland Ltd | Hospitality | 2020 |
| Diverov Integrity Management Services Limited | Professional & scientific | 2013 |
| Diya RE Limited | Real estate | 2025 |
| DJ Manning Limited | Transport & logistics | 2003 |
| DJ Manning Properties Ltd. | Real estate | 2001 |
| DLC Automotive Solutions Limited | Wholesale & retail | 2025 |
| DLK Technologies Ltd | Construction | 2022 |
| Dlsa Ltd | Professional & scientific | 2026 |
| DM Education Services Ltd | Education | 2025 |
| DM Electricworks Ltd | Construction | 2026 |
| DM Financial Planning Ltd | Financial services | 2025 |
| DM Logic Electrical Systems Ltd | Construction | 2025 |
| DM Property & Letting Limited | Construction | 2010 |
| DMB Plant Limited | Professional & scientific | 2016 |
| DMC Lift Services Ltd | Professional & scientific | 2024 |
| DMD Access & Innovation Limited | Professional & scientific | 2025 |
| DMD Pathways Ltd | Health & social care | 2026 |
| Dmd/D Limited | Professional & scientific | 2022 |
| DNA Lifting Ltd | Professional & scientific | 2025 |
| Docherty Contracting Ltd | Administrative & support | 2016 |
| Dock Yard Food Hub Limited | Hospitality | 2026 |
| Dock Yard Salon Ltd | Other services | 2026 |
| Documentation Solutions Ltd | Information & communication | 2010 |
| Doh-Dohs Ltd | Wholesale & retail | 2026 |
| Dollar Joinery Limited | Construction | 2013 |
| Dollbox Limited | Other services | 2019 |
| Dolloch Curry Ltd | Hospitality | 2024 |
| Domino PL Ltd | Wholesale & retail | 2021 |
| Donaldson Fabrication Ltd | Manufacturing | 2024 |
| Doncarlo Camilleri Limited | Professional & scientific | 2010 |
| Douglas Gregory Energy Limited | Manufacturing | 2009 |
| Downie Holdings Limited | Financial services | 2025 |
| Doyen Quantity Surveying Ltd | Real estate | 2024 |
| DR Campbell Psychotherapy Ltd | Health & social care | 2025 |
| DR Dawn Harris Ltd | Professional & scientific | 2026 |
| DR Nicola Jayne Robertson Ltd | Professional & scientific | 2019 |
| Drains Maintenance Company Ltd | Other services | 2024 |
| Dramguard Bondco Limited | Transport & logistics | 2023 |
| Dreams for Littles Ltd | Education | 2026 |
| Dreelside Engineering Consultants Limited | Manufacturing | 1994 |
| Drenith Global Ltd | Administrative & support | 2025 |
| DRG Laboratory Limited | Health & social care | 2010 |
| Dronexcel UK Limited | Professional & scientific | 2024 |
| DRS Catering Limited | Hospitality | 2024 |
| Drumkeen Property Limited | Construction | 2020 |
| DS Super Store Limited | Wholesale & retail | 2022 |
| DSM Joinery Contractors Limited | Construction | 2007 |
| Dtcranes Ltd | Construction | 2026 |
| Dtndh Ltd | Professional & scientific | 2024 |
| DTS Engineering Holdings Limited | Manufacturing | 2026 |
| DTS Engineering Services Limited | Manufacturing | 2021 |
| Duches & Burns Ltd | Administrative & support | 2024 |
| Dugg Bars Ltd | Hospitality | 2024 |
| Dugg Enterprises Ltd | Professional & scientific | 2025 |
| Duloch Electrical Limited | Construction | 2018 |
| Duloch GAS Ltd | Construction | 2021 |
| Duloch Renewables Limited | Construction | 2024 |
| Duloch Taxis Ltd | Transport & logistics | 2019 |
| Duncan & Co Property Ltd | Real estate | 2025 |
| Duncan & Crews Properties Limited | Real estate | 2004 |
| Dundonald Shopfitting Ltd | Manufacturing | 2018 |
| Dunfermentations Ltd | Manufacturing | 2024 |
| Dunfermline ASK | Other services | 2004 |