| Digiformation Ltd | Wholesale & retail | 2026 |
| Digika UK Limited | Construction | 2023 |
| Diginexel Ltd | Information & communication | 2025 |
| Digirocketmarketing Limited | Information & communication | 2026 |
| Digiscan CAD Ltd | Professional & scientific | 2026 |
| Digital Asylum Limited | Information & communication | 2024 |
| Digital Buddy Limited | Professional & scientific | 2025 |
| Digital Customer Limited | Information & communication | 2016 |
| Digital D Ltd | Professional & scientific | 2019 |
| Digital Deers Ltd | Wholesale & retail | 2025 |
| Digital Device Hub Ltd | Wholesale & retail | 2026 |
| Digital Dock Media Limited | Information & communication | 2024 |
| Digital DOT IT Solutions Ltd | Information & communication | 2026 |
| Digital Goal Ltd | Professional & scientific | 2026 |
| Digital Imaging Services Limited | Information & communication | 1997 |
| Digital Inspirations Limited | Professional & scientific | 2021 |
| Digital Leaf Ltd | Arts & recreation | 2022 |
| Digital Mesh Limited | Construction | 2024 |
| Digital Momentum Agency Ltd | Professional & scientific | 2025 |
| Digital Slope Ltd | Information & communication | 2024 |
| Digital Studio 99 Ltd | Professional & scientific | 2024 |
| Digital Transitions Consulting Limited | Information & communication | 2016 |
| Digitalbeast Ltd | Wholesale & retail | 2026 |
| Digitally Rich Ltd | Wholesale & retail | 2025 |
| Digitcore Solutions Ltd | Information & communication | 2026 |
| Digitra Ltd | Wholesale & retail | 2024 |
| Digitronix Tech Ltd | Wholesale & retail | 2026 |
| Dignityview Ltd | Construction | 2022 |
| Digvinay Properties Ltd | Real estate | 2026 |
| DIL Mehnoor Limited | Real estate | 2025 |
| Dill Day Care Limited | Health & social care | 2024 |
| Dilloway Business Services Ltd. | Professional & scientific | 2021 |
| Dilshad Indian Restaurant Ltd | Hospitality | 2015 |
| Dilution Ltd | Wholesale & retail | 2025 |
| Dimaraeya Limited | Real estate | 2025 |
| Dimic Limited | Transport & logistics | 2014 |
| Dimmack Pipelines Ltd | Construction | 2021 |
| Dimmack Property Limited | Real estate | 2017 |
| Dimmingsdale Bridge Garden Centre Limited | Wholesale & retail | 2010 |
| Dimple Sweet & Savoury Ltd | Hospitality | 2020 |
| Dinks Pickleball Clubs 1 Ltd | Arts & recreation | 2025 |
| Dinks Pickleball Clubs Ltd | Arts & recreation | 2025 |
| Dino's Building Limited | Construction | 2004 |
| Dinu Ltd | Transport & logistics | 2025 |
| Diode Electrics Limited | Manufacturing | 2003 |
| Dione Homes Ltd | Real estate | 2024 |
| Diplomat MED Ltd | Health & social care | 2010 |
| Dippons Dog Park Ltd | Other services | 2025 |
| Dippons House Management Limited | Real estate | 1987 |
| Dippons Management Co Limited | Households | 2004 |
| Direct Aggregates Group Limited | Construction | 2021 |
| Direct AK Solutions Ltd | Professional & scientific | 2014 |
| Direct Back Office Payroll Ltd | Administrative & support | 2021 |
| Direct Building Ltd | Construction | 2025 |
| Direct Clothing Co. (UK) Limited | Wholesale & retail | 2021 |
| Direct MOT Center Limited | Wholesale & retail | 2021 |
| Direct Motors Services Limited | Wholesale & retail | 2019 |
| Direct Planting (Containers) Limited | Real estate | 1963 |
| Direct Plumbing and Heating Distribution Limited | Construction | 2009 |
| Direct Point Logistics Ltd | Transport & logistics | 2010 |
| Direct Point Ltd | Wholesale & retail | 2009 |
| Direct Property Support Ltd | Hospitality | 2026 |
| Direct R&L Ltd | Wholesale & retail | 2022 |
| Direct Security Systems (Midlands) Limited | Construction | 1983 |
| Direct Technology Network Limited | Information & communication | 2013 |
| Direct Trading Group Ltd | Wholesale & retail | 2021 |
| Direct Tyre Services Ltd | Wholesale & retail | 2023 |
| DIRECT2DOOR Transport Ltd | Transport & logistics | 2026 |
| Dirham Estates Ltd | Real estate | 2023 |
| Dirtguards Ltd | Manufacturing | 2021 |
| Discount Deals Limited | Wholesale & retail | 2011 |
| Disposable Cubicle Curtains Limited | Manufacturing | 2004 |
| Disposable Cubicle Curtains Trustee Ltd | Manufacturing | 2020 |
| Disputes Mediation Ltd | Professional & scientific | 2019 |
| Distinct Effects Ltd | Extraterritorial | 2019 |
| Disulfican Limited | Professional & scientific | 2017 |
| Divaye Estates Limited | Real estate | 2025 |
| Diverse Contractors Ltd | Administrative & support | 2024 |
| Diversity Music Community 1ST CIC | Other services | 2017 |
| Divine Ability Care Limited | Health & social care | 2016 |
| Divine Chisom Healthcare Limited | Public administration | 2023 |
| Divine Favour Acceleration Ltd | Health & social care | 2017 |
| Divine General Services Ltd | Public administration | 2021 |
| Divine Groly Care Ltd | Health & social care | 2024 |
| Divine Heritage Trades Limited | Hospitality | 2007 |
| Divine Mandate Incorporation Ltd | Health & social care | 2022 |
| Divine Masculine Ltd | Wholesale & retail | 2026 |
| Divine Ministries Education Enterprise (Nonprofit) Limited | Other services | 2017 |
| Divine Onkar Mission | Other services | 1998 |
| Dixon’S Management Limited | Real estate | 2026 |
| Diya Market Ltd | Wholesale & retail | 2026 |
| Dizzycare Clinic Limited | Health & social care | 2017 |
| DJ Business Solutions Limited | Water & waste | 2020 |
| DJ Haus Limited | Real estate | 2026 |
| DJ Nicku Ltd | Arts & recreation | 2025 |
| DJ Rukky Sounds Limited | Information & communication | 2019 |
| DJ Same Day Couriers Ltd | Transport & logistics | 2024 |
| Djayep Services Limited | Wholesale & retail | 2023 |
| DJC Building & Construction Ltd | Construction | 2026 |
| DJC Roofing & Builders Limited | Construction | 2005 |