| Danaggy Limited | Administrative & support | 2019 |
| Danaq Limited | Wholesale & retail | 2026 |
| Dang Developments Ltd | Construction | 2021 |
| Dani Asavei Construction Ltd | Construction | 2017 |
| Dankal Limited | Information & communication | 2025 |
| Danny Concrete Limited | Construction | 2022 |
| Dansecureguard Ltd | Administrative & support | 2024 |
| Danwadaag Ltd | Education | 2011 |
| DAP Development Ltd | Real estate | 2025 |
| Dara Homes Limited | Construction | 2025 |
| Darbar Lopon Limited | Transport & logistics | 2025 |
| Darkhaven Security Limited | Administrative & support | 2025 |
| Darmal UK Trading Ltd | Administrative & support | 2017 |
| Darsha Ltd | Financial services | 2019 |
| Darshan Azad Limited | Professional & scientific | 2013 |
| Darshan Azad Trust Corporation Limited | Other services | 2020 |
| Darssn Culinary Private Limited | Wholesale & retail | 2025 |
| Darussalam Cultural Centre Ltd | Education | 2009 |
| Dashmesh Fittings Ltd | Construction | 2026 |
| Dastarkhwan UK Ltd | Hospitality | 2025 |
| Datasecure Systems Limited | | 1986 |
| Dave Gill Couriers Ltd | Transport & logistics | 2022 |
| Davinder Singh Ltd | Construction | 2026 |
| DAW Trading Ltd | Construction | 2005 |
| Dawat Southall Ltd | Hospitality | 2019 |
| Dawra Ltd | Real estate | 2025 |
| Day Light Trading UK Limited | Wholesale & retail | 2023 |
| Dazlen Silver Ltd | Wholesale & retail | 2025 |
| DB Project Consultants Limited | Administrative & support | 2017 |
| DC Platforms Limited | Extraterritorial | 2022 |
| DCP Jewellers LLP | | 2013 |
| DD Cargo Ltd | Transport & logistics | 2021 |
| DD Interior Designer Ltd | Manufacturing | 2026 |
| Dd&Br Transport Limited | Transport & logistics | 2025 |
| DDK Distribution Ltd | Wholesale & retail | 2025 |
| Deal Bridge Real Estate Ltd | Real estate | 2025 |
| Deal Empire Ltd | Wholesale & retail | 2026 |
| Deals Network Ltd | Real estate | 2015 |
| Dean Samuel Immigration Chambers Ltd | Professional & scientific | 2017 |
| Deart Hand Car Wash Ltd | Manufacturing | 2016 |
| Decofix Ltd | Construction | 2022 |
| Decorate in Style and Refurbishment Limited | Construction | 2023 |
| Decorist Ltd | Other services | 2013 |
| Deebika Limited | Wholesale & retail | 2024 |
| Deen & Drape Ltd | Wholesale & retail | 2026 |
| Deen Care Limited | Health & social care | 2003 |
| Deen Seekers Ltd | Transport & logistics | 2014 |
| Deenland Limited | Wholesale & retail | 2017 |
| Deens Commercial Foods Ltd | Wholesale & retail | 2024 |
| Deep Brilliant Roofing Ltd | Construction | 2020 |
| Deep Enterprises UK Limited | Wholesale & retail | 2008 |
| Deep Freight Ltd | Transport & logistics | 2025 |
| Deep JI Constructions Ltd | Construction | 2023 |
| Deep Music Ltd | Information & communication | 2022 |
| Deep Singh Sandhu Ltd | Construction | 2026 |
| Deep Skip Hire Ltd | Water & waste | 2012 |
| Deep Superstores ( UK) Ltd | Wholesale & retail | 2020 |
| Deep Tattoo Studio Ltd | Arts & recreation | 2026 |
| Deep's Properties Ltd | Real estate | 2020 |
| Deepdara Limited | Manufacturing | 2026 |
| Deepraj Property Investment Limited | Real estate | 2025 |
| Deepshades Limited | Wholesale & retail | 2024 |
| Deevale Healthcare Limited | Health & social care | 2007 |
| Defence Tech Tribe Ltd | Information & communication | 2026 |
| Deja VU Entertainments Limited | Administrative & support | 2011 |
| Dela 14 Care Limited | Health & social care | 2018 |
| Delbuilding Project Ltd | Real estate | 2022 |
| Delice DE France Limited | Wholesale & retail | 1987 |
| Delight Accountants Limited | Professional & scientific | 2024 |
| Delivhere Ltd | Transport & logistics | 2021 |
| Delta Force Group Basement's and Waterproofing Ltd | Construction | 2025 |
| Delux Automotives Ltd | Wholesale & retail | 2024 |
| Delux Design and Build Ltd. | Construction | 2019 |
| Deluxe Auto Limited | Wholesale & retail | 2025 |
| Deluxe Escapes Ltd | Households | 2025 |
| Demon Wears Ltd | Wholesale & retail | 2021 |
| DEN of Goods Limited | Information & communication | 2015 |
| Denmark Terrace Limited | Real estate | 2018 |
| Dental Training Masterclass Ltd | Health & social care | 2021 |
| Denver Court Management Limited | Households | 1966 |
| Derley Transport Limited | Transport & logistics | 2015 |
| Deshforce Demolition Limited | Water & waste | 2025 |
| Deshwal Transport Limited | Transport & logistics | 2025 |
| Desi Beats Limited | Professional & scientific | 2012 |
| Desi Swad Ltd | Hospitality | 2025 |
| Design and Plan Consultants Ltd | Professional & scientific | 2013 |
| Design and Wonder Ltd | Construction | 2019 |
| Design by Sanj Limited | Arts & recreation | 2017 |
| Design Diagnosis Limited | Information & communication | 2024 |
| Design Flair Limited | Professional & scientific | 2023 |
| DESIGN4SMILES Ltd | Health & social care | 2019 |
| Designer Suits Limited | Wholesale & retail | 2016 |
| Designer Villa Limited | Wholesale & retail | 2015 |
| Designs by DDK Limited | Professional & scientific | 2022 |
| Desire Homes 1 Ltd | Real estate | 2025 |
| Desire Homes 3 Ltd | Real estate | 2025 |
| Desire Homes Ltd | Construction | 2013 |
| Dessert Plug Ltd | Hospitality | 2022 |
| Dessert Wale Ltd | Wholesale & retail | 2025 |
| Desserts.Wrexham Ltd | Hospitality | 2016 |