| Daniel Moran Electrical Ltd | Other services | 2023 |
| Daniel Russell Ltd | Financial services | 2026 |
| Daniel Shaid Services Limited | Other services | 2016 |
| Daniel Willis Limited | Professional & scientific | 2014 |
| Danisab Limited | Transport & logistics | 2014 |
| Danlis Holdings Ltd | Financial services | 2023 |
| Dannii Matthews Limited | Wholesale & retail | 2020 |
| Dan’S Autocare Ltd | Administrative & support | 2024 |
| Darch Engineering Ltd | Administrative & support | 2022 |
| Dark Skies Properties Ltd | Real estate | 2025 |
| Darren Matthews Joinery Ltd | Other services | 2023 |
| Data Centre Infrastructure Services Limited | Professional & scientific | 2024 |
| Database Sentinel Ltd | Construction | 2017 |
| Dataglow Limited | Information & communication | 2025 |
| Datalase Holdings Limited | Manufacturing | 2020 |
| David Thomas Property Management Limited | Real estate | 2002 |
| Davis Stoner Partnership Limited | Administrative & support | 2011 |
| Davy Associates NW Ltd | Hospitality | 2022 |
| Dawson & SON Construction Ltd | Construction | 2019 |
| DB Football Limited | Wholesale & retail | 2024 |
| DB Logistics Express Limited | Transport & logistics | 2023 |
| Dbst Properties Ltd | Real estate | 2024 |
| DBU Developments Limited | Real estate | 2024 |
| DC Skip Hire Ltd | Water & waste | 2026 |
| DCL Jewellers Ltd | Wholesale & retail | 2026 |
| DCS 2 Way Radio Ltd | Other services | 2008 |
| Dead Positive North West CIC | Education | 2025 |
| Deal Between US Jewellery Limited | Wholesale & retail | 2022 |
| Debron FAB Limited | Construction | 2014 |
| Debron Property Group Limited | Real estate | 2026 |
| Decay.Dj Music Ltd | Arts & recreation | 2025 |
| Decor Plus Painting Contractors Limited | Construction | 2006 |
| Deeside Convenience Stores Limited | Wholesale & retail | 2005 |
| Delavan Limited | Manufacturing | 1963 |
| Delica 1 Limited | Transport & logistics | 2019 |
| Delta Cash & Carry Limited | Wholesale & retail | 2021 |
| Delta IT UK Ltd | Wholesale & retail | 2023 |
| Delta JK Developments Ltd | Real estate | 2023 |
| Deluxe Blinds & Shutters Ltd | Wholesale & retail | 2026 |
| DEM Diagnostics Limited | Health & social care | 2022 |
| Demand Direct Ltd | Wholesale & retail | 2022 |
| Demcon Consulting Ltd | Professional & scientific | 2024 |
| Denca Controls Limited | Manufacturing | 1995 |
| Denco Group Ltd | Wholesale & retail | 2025 |
| Derby Construction Ltd | Construction | 2025 |
| Derma Plane UK Aesthetics Ltd | Other services | 2018 |
| Devine Cosmetics Consultancy Limited | Other services | 2019 |
| Devine Cosmetics Training Academy Limited | Other services | 2018 |
| DFJ Group Limited | Administrative & support | 2023 |
| DGB Design Solutions Limited | Professional & scientific | 2023 |
| Dgm&K Limited | Transport & logistics | 2016 |
| Dhishaan Ltd | Wholesale & retail | 2024 |
| Diaafood Ltd | Manufacturing | 2017 |
| Diagram Design and Marketing Limited | Professional & scientific | 2006 |
| Diamond Beauty Limited | Other services | 2026 |
| Diamond Dogs Security Solutions Ltd | Administrative & support | 2024 |
| Diamond Pro Clean Ltd | Other services | 2022 |
| Digital Transformation AI Ltd | Other services | 2026 |
| Dimitrios Mousiaris Transport Limited | Transport & logistics | 2017 |
| Dinotrek Limited | Extraterritorial | 1985 |
| Direct Secure Services Ltd | Administrative & support | 2024 |
| Direct Security Solutions Ltd | Administrative & support | 2023 |
| Direct Trades NW Limited | Administrative & support | 2020 |
| Dirt-E Scooters Ltd | Wholesale & retail | 2020 |
| Ditchfield Civils Ltd | Financial services | 2026 |
| Ditton Catering Services Limited | Hospitality | 2017 |
| Ditton Road Commercial Repairs Ltd | Wholesale & retail | 2019 |
| DJ Business Consultants Limited | Professional & scientific | 2018 |
| DJ Leisure Limited | Hospitality | 2013 |
| DJB Techserv Ltd | Professional & scientific | 2026 |
| DJC Rope Services Ltd | Manufacturing | 2026 |
| DJH Property Ltd | Real estate | 2021 |
| Djlh Limited | Construction | 2015 |
| Djmb Construction Limited | Construction | 2023 |
| DLP Educational Consultants Ltd | Other services | 2014 |
| Dlst Ltd | Other services | 2025 |
| DMC Alliance Holdings Ltd | Financial services | 2026 |
| DMC Fabrication & Mechanical Services Ltd | Construction | 2010 |
| DMC Inspection Services Ltd | Professional & scientific | 2017 |
| Dmph - OW Ltd | Construction | 2025 |
| DMT Trans Ltd | Transport & logistics | 2025 |
| Doctor JPM Medical Ltd | Health & social care | 2017 |
| Dodicu Ltd | Transport & logistics | 2026 |
| Dollylocks Ltd | Education | 2021 |
| Dolphin Property Group Ltd | Real estate | 2024 |
| Door 32 Ltd | Health & social care | 2017 |
| DOT Property Holdings Limited | Real estate | 2022 |
| Doubleh Property Services Limited | Construction | 2022 |
| Doux Chaton Vietnamese Kitchen Ltd | Hospitality | 2022 |
| DOW Commercial Ltd | Professional & scientific | 2021 |
| Dowdeswell Property Holdings Ltd | Real estate | 2025 |
| Dowdeswell Property Lettings Ltd | Real estate | 2026 |
| Downwood Digs Ltd | Real estate | 2025 |
| DPD Housing Ltd | Households | 2025 |
| Dragonfly Commercial Properties Limited | Real estate | 2020 |
| Drain-Right NW Limited | Construction | 2024 |
| Drayton Close RTM Company Ltd | Households | 2017 |
| Dreadnought Utilities Ltd | Energy | 2022 |
| Dream Lengths Extensions Ltd | Other services | 2025 |
| Drive Development Solutions Limited | Professional & scientific | 2013 |