| DGP Engineering Limited | Professional & scientific | 2015 |
| Dhanda Property Developments Ltd | Construction | 2023 |
| Dharminder Limited | Construction | 2025 |
| DHI YO YO Limited | Information & communication | 2015 |
| Dhinsa Consulting Ltd | Information & communication | 2026 |
| Dhuru Convenience Store Ltd | Wholesale & retail | 2026 |
| DI Nubila Medical Services Ltd | Health & social care | 2026 |
| Diamond Atlantic Ltd | Wholesale & retail | 2018 |
| Diamond Cooling Services Ltd | Energy | 2019 |
| Diamond Formworks Ltd | Construction | 2024 |
| Diamond Spray Ltd | Construction | 2019 |
| Diarise Ltd | Information & communication | 2026 |
| Dickley Investments Limited | Construction | 1962 |
| Digicare Marketing Limited | Information & communication | 2023 |
| Digit Warehouse Technologies Limited | Information & communication | 2023 |
| Digital Arch Limited | Information & communication | 2012 |
| Digital Consultant Services Ltd | Information & communication | 2005 |
| Digital Contractors Holdings Ltd | Information & communication | 2026 |
| Digital Labs Limited | Information & communication | 2000 |
| Digital Radio Systems (UK) Ltd | Information & communication | 2013 |
| Digital Solution Consults Limited | Information & communication | 2017 |
| Digital Switch Telecom Ltd | Administrative & support | 2023 |
| Digital Type Ltd | Professional & scientific | 2014 |
| Digital With Debss Ltd | Wholesale & retail | 2026 |
| Digitalscribe Limited | Information & communication | 2012 |
| Digitrak Ltd | Wholesale & retail | 2017 |
| Dignity Consulting Limited | Professional & scientific | 2022 |
| Dignity Investment Limited | Wholesale & retail | 2020 |
| Digon Consultancy Ltd | Education | 2012 |
| DIGY4 Limited | Information & communication | 2021 |
| Diiga Ltd | Real estate | 2024 |
| Dilax Civil Engineering Ltd | Construction | 2014 |
| Diligenz IT Solutions Limited | Wholesale & retail | 2012 |
| Dillans Alan Limited | Real estate | 2024 |
| Dilroza Ethical Creations Ltd | Wholesale & retail | 2015 |
| Dima Private Limited | Administrative & support | 2020 |
| Dimax Ltd | Manufacturing | 2025 |
| Dimora Estates and Management Ltd | Real estate | 2018 |
| Dimora Lettings Limited | Real estate | 2014 |
| Dine at Yours Ltd | Hospitality | 2022 |
| Dinho Merchant Limited | Wholesale & retail | 2025 |
| Dinuvhs Ltd | Wholesale & retail | 2024 |
| Dipseun Limited | Real estate | 2022 |
| Direct Airconditioning Limited | Construction | 2007 |
| Direct Build Services (Developments) Limited | Construction | 1987 |
| Direct Build Services Limited | Construction | 1990 |
| Direct Building Supplies Ltd | Wholesale & retail | 2025 |
| Direct Drywall Ltd | Construction | 2021 |
| Direct First Computing Solutions Limited | Information & communication | 1999 |
| Direct PAY Solutions Ltd | Administrative & support | 2025 |
| Discounter Number One Ltd | Wholesale & retail | 2021 |
| Discover Property Ltd | Real estate | 2013 |
| Distinct Support Services Limited | Administrative & support | 2014 |
| District 25 Music Limited | Information & communication | 2014 |
| Divall Properties Ltd | Construction | 2024 |
| Diversestream Media Ltd | Professional & scientific | 2025 |
| Divine Care Support Limited | Health & social care | 2021 |
| Divine Representatives Ministries | Extraterritorial | 2012 |
| Divine Shutters & Blinds Ltd | Other services | 2016 |
| Divinehomes Group Ltd | Real estate | 2024 |
| Dixons Contracts Ltd. | Construction | 2007 |
| DIY Money Mindset Ltd | Wholesale & retail | 2021 |
| Diya Spice Kitchen Ltd | Hospitality | 2026 |
| Diyan Consulting Ltd | Professional & scientific | 2026 |
| DJ Kiing & Event Management Limited | Arts & recreation | 2026 |
| DJ Security Installations Ltd | Construction | 2012 |
| Djaja Holdings Limited | Professional & scientific | 2022 |
| DJB Construction Services Limited | Construction | 2019 |
| DJB Property Solutions Limited | Real estate | 2021 |
| DJG Homes Ltd | Real estate | 2026 |
| DJM Mini Buses Ltd | Transport & logistics | 2022 |
| DJS & Discotheques Limited | Arts & recreation | 2005 |
| Dkemp Limited | Professional & scientific | 2025 |
| DKL Selva Limited | Real estate | 2024 |
| Dla&A Limited | Professional & scientific | 2021 |
| Dlaks Properties Ltd | Real estate | 2026 |
| Dljs Enterprises Ltd | Information & communication | 2026 |
| Dlmv Group Limited | Real estate | 2026 |
| Dlove Travels & Events Ltd | Wholesale & retail | 2026 |
| DLP Waste Mangement Ltd | Water & waste | 2023 |
| DLR Mortgages Ltd | Financial services | 2024 |
| Dluk Properties Ltd | Real estate | 2022 |
| DM Indo Software Limited | Information & communication | 2023 |
| DMB Property Consultants Ltd | Real estate | 2023 |
| DMC Commissioning Ltd | Professional & scientific | 2024 |
| DMC Specialists Limited | Water & waste | 2015 |
| Dmds Services Ltd | Transport & logistics | 2020 |
| DMI Properties (Ashford) Limited | Real estate | 2005 |
| DMR 3210 Ltd | Transport & logistics | 2026 |
| DNA VUE Ltd | Health & social care | 2025 |
| DND Exim UK Ltd | Wholesale & retail | 2016 |
| Dnipro Solutions Ltd | Information & communication | 2016 |
| DNK Energy Solutions Ltd | Construction | 2022 |
| DNR Pristine Ltd | Administrative & support | 2025 |
| DO IT ALL Engineering Ltd | Manufacturing | 2022 |
| Doaba Construction Ltd | Construction | 2014 |
| Dobromir Stoimenov Ltd | Construction | 2013 |
| Dockyard Bathrooms Ltd | Wholesale & retail | 2025 |
| Docslynked Limited | Administrative & support | 2018 |
| Dogbrain Videos Ltd | Information & communication | 2019 |