| Direct Property Estates Limited | Administrative & support | 2012 |
| Direct Radio Promotions Ltd | Professional & scientific | 2019 |
| Directors Property Leeds Limited | Real estate | 2013 |
| Disconnect, an Opportunity Ltd | Education | 2025 |
| Discount Daddy Ltd | Wholesale & retail | 2025 |
| Discount Retail Solutions Limited | Wholesale & retail | 2017 |
| Discover Consultancy and Training CIC | Education | 2011 |
| Discover Training Ltd | Professional & scientific | 2013 |
| Dish Bar and Restaurant Limited | Hospitality | 2026 |
| Disrupt Property and Travel Limited | Construction | 2023 |
| Disrupt Search Studios Ltd | Information & communication | 2020 |
| Distinctiononline Ltd | Other services | 2022 |
| Distinguished Flooring Ltd | Wholesale & retail | 2026 |
| Distribution Power Services Ltd | Construction | 2024 |
| Ditchfield Roofing Limited | Construction | 2013 |
| Dival Ltd. | Construction | 2017 |
| Diventato Realta Limited | Construction | 2025 |
| Diverse Financial Planning Limited | Financial services | 2016 |
| Divine Creation Enterprise Ltd | Health & social care | 2020 |
| Divnaty | Professional & scientific | 2026 |
| DIY and Food Store Limited | Wholesale & retail | 2024 |
| Diyani Properties Ltd | Real estate | 2024 |
| DJ and M COX Services Limited | Transport & logistics | 2009 |
| DJ Decoys Limited | Wholesale & retail | 2018 |
| DJ Kret Transport Ltd | Transport & logistics | 2016 |
| DJ Soundz Limited | Arts & recreation | 2025 |
| DJC Logistics Limited | Transport & logistics | 2026 |
| DJD Consultants Ltd | Professional & scientific | 2012 |
| DJK Powercords Ltd | Manufacturing | 2013 |
| Djmotorcompany Ltd | Wholesale & retail | 2016 |
| DJP Bricklaying Limited | Construction | 2022 |
| DJP Varsani Ltd | Wholesale & retail | 2012 |
| DJR Distribution Limited | Wholesale & retail | 2025 |
| DJR1983 Limited | Wholesale & retail | 2020 |
| DJW Properties (SPV) Limited | Real estate | 2024 |
| DK Accountancy & Finance Ltd | Administrative & support | 2023 |
| DK Beauty Ltd | Other services | 2012 |
| Dkls Services Ltd | Construction | 2018 |
| DL Brickwork and Sons Limited | Construction | 2022 |
| DLC Accountants Ltd | Professional & scientific | 2014 |
| DLC Trucking Ltd | Transport & logistics | 2021 |
| DLD Private Clients Ltd | Professional & scientific | 2019 |
| DLP Homes Limited | Construction | 2022 |
| DLS Stillages Ltd | Manufacturing | 2020 |
| DM Civils Ltd | Construction | 2025 |
| DM Drones Ltd | Agriculture & fishing | 2024 |
| DM Drylining Ltd | Construction | 2023 |
| DM IT Project Delivery Ltd | Information & communication | 2023 |
| DM North West Ltd | Transport & logistics | 2025 |
| DM Plant Repairs Ltd | Manufacturing | 2023 |
| DM Pubs Limited | Hospitality | 2025 |
| DM Signs and Design Limited | Manufacturing | 2013 |
| DMB Builders Limited | Extraterritorial | 2015 |
| DMC Offshore & Engineering Services Ltd | Professional & scientific | 2024 |
| DMC Services (NW Wigan) Ltd | Wholesale & retail | 2024 |
| DMC Services (NW) Ltd | Wholesale & retail | 2014 |
| Dmc&Son Traders Ltd | Wholesale & retail | 2022 |
| DMD 2019 Ltd | Real estate | 2021 |
| DMN Engineering Limited | Professional & scientific | 2021 |
| Dmrjt Ltd. | Real estate | 2017 |
| DN Equestrian Ltd | Agriculture & fishing | 2025 |
| DNA Plastering & Tiling Limited | Construction | 2011 |
| DNL Building and Joinery Limited | Construction | 2026 |
| Dobrin Group Ltd | Construction | 2023 |
| DOC Derma Limited | Health & social care | 2022 |
| DOC North CIC | Information & communication | 2025 |
| DOC Solar & Electrical Limited | Manufacturing | 2023 |
| Dog Wash UK Ltd | Administrative & support | 2021 |
| Dogabode Ltd | Other services | 2021 |
| Dogtastic Limited | Other services | 2008 |
| Dojo Karate Centre Limited | Arts & recreation | 2024 |
| Doma Logistics Limited | Transport & logistics | 2017 |
| DOMIN8LIFE Ltd | Arts & recreation | 2025 |
| Domis Construction Limited | Construction | 2017 |
| Domis Developments Limited | Construction | 2017 |
| Domis Plant Limited | Administrative & support | 2017 |
| Domis Property Group Holdings Limited | Financial services | 2024 |
| Domis Property Group Limited | Financial services | 2017 |
| Domis Utilities Limited | Construction | 2020 |
| Doncaster Prime Construction Ltd | Construction | 2025 |
| Done Media Ltd | Professional & scientific | 2026 |
| Donvito Property Group Ltd | Real estate | 2025 |
| Doodles Doggie Daycare Limited | Other services | 2015 |
| Dora Mara Ltd | Transport & logistics | 2016 |
| Doran & SON (Wigan) Limited | Construction | 2015 |
| Dorend Limited | Health & social care | 2024 |
| Dorn-It Ltd | Wholesale & retail | 2023 |
| Dorumis | Professional & scientific | 2026 |
| DOT Cycle and Motorcycle Manufacturing Ltd | Manufacturing | 2025 |
| Dough Hindley Limited | Hospitality | 2024 |
| Doughty Newco Limited | Professional & scientific | 1997 |
| Douglas Communications Limited | Information & communication | 2001 |
| Douglas House Holdings Limited | Construction | 2019 |
| Douglas House Investments Limited | Financial services | 2012 |
| Douglas Mill Storage Ltd | Transport & logistics | 2006 |
| Douglas Valley Breakers Limited | Wholesale & retail | 1998 |
| Douglas Valley Building Contractors Ltd | Construction | 2023 |
| Douglas Valley Community Limited | Administrative & support | 1994 |
| Douglas Valley Consultants Limited | Information & communication | 2003 |
| Douglas Valley Properties Limited | Real estate | 1998 |