| Ddsm Group Ltd | Wholesale & retail | 2024 |
| DE VIA MAR Limited | Construction | 2014 |
| Deals 247 UK Ltd | Wholesale & retail | 2023 |
| Deals 4 Foods Ltd | Hospitality | 2024 |
| Deals Zone Limited | Wholesale & retail | 2023 |
| Debac Estates Ltd | Real estate | 2024 |
| Debbie Scantlebury Limited | Wholesale & retail | 2001 |
| Debi 22 Limited | Construction | 2026 |
| Debu Limited | Transport & logistics | 2025 |
| December Springs Limited | Wholesale & retail | 2021 |
| Decent Dwellings London Ltd | Real estate | 2025 |
| Decent Motors 123 Ltd | Wholesale & retail | 2020 |
| Deckedout Cards & Collectibles Ltd | Wholesale & retail | 2024 |
| Deco F&W Ltd | Wholesale & retail | 2024 |
| Decor Dynamics Ltd | Wholesale & retail | 2025 |
| Decorly Home Improvements Ltd | Construction | 2025 |
| Decornest Ltd | Wholesale & retail | 2025 |
| Deddar Limited | Wholesale & retail | 2021 |
| Dedishack Ltd | Information & communication | 2011 |
| DEE RAM UK Ltd | Health & social care | 2021 |
| Deemed Fresh Entertainment Limited | Arts & recreation | 2017 |
| DEEN4TOTS Ltd | Wholesale & retail | 2026 |
| Deena Hand Car Wash UK Ltd | Administrative & support | 2026 |
| Deena's Hand Car Wash Ltd | Other services | 2025 |
| Deep 24 Express Ltd | Wholesale & retail | 2021 |
| Deep Convenience Store Ltd | Wholesale & retail | 2026 |
| Deep RAI Roofing Ltd | Construction | 2025 |
| Deep Singh & Sons Ltd | Wholesale & retail | 2015 |
| Deep's Convenience Store Ltd | Wholesale & retail | 2025 |
| Deepak Transport Ltd | Transport & logistics | 2025 |
| Defendx Security Ltd | Administrative & support | 2024 |
| DEFIN3INK Ltd | Wholesale & retail | 2024 |
| Define Contractors Ltd | Construction | 2021 |
| Degan Care Limited | Health & social care | 2025 |
| Degdan WA Tanoor Ltd | Administrative & support | 2017 |
| Dehkaan Food UK Limited | Wholesale & retail | 2019 |
| Dehsarak UK Enterprise Ltd | Wholesale & retail | 2019 |
| Deimy Automobile Limited | Wholesale & retail | 2023 |
| Dekot Engineering Ltd | Professional & scientific | 2018 |
| Delhiwala Catering Ltd | Hospitality | 2025 |
| Delicious Pastrye Ltd | Hospitality | 2026 |
| Delicious YUM Dessert Ltd | Hospitality | 2026 |
| Deliverxpress Limited | Transport & logistics | 2024 |
| Delta (UK) Investment Limited | Administrative & support | 2009 |
| Delta Cloud Associates Ltd | Information & communication | 2019 |
| Delta Design and Construction Ltd | Construction | 2023 |
| Delta V Solutions Ltd | Professional & scientific | 2025 |
| Deltex Link Cargo Limited | Transport & logistics | 2026 |
| Deluxe Build Ltd | Construction | 2021 |
| Demand Construction Ltd | Construction | 2021 |
| Demore Decor Limited | Construction | 2015 |
| Demostruction Ltd | Construction | 2026 |
| Dench Traders Limited | Wholesale & retail | 2019 |
| Deneb & Pollux Tours and Travels Limited | Administrative & support | 2012 |
| Denham Cricket Club Limited | Arts & recreation | 2013 |
| Dentaltrack Instruments Ltd | Wholesale & retail | 2022 |
| Deol Builder Ltd | Construction | 2022 |
| Deol Homes Limited | Real estate | 2025 |
| Deol Transport Ltd | Transport & logistics | 2023 |
| Deol Wholesales Ltd | Wholesale & retail | 2025 |
| DEQ PCO Ltd | Transport & logistics | 2025 |
| Dermlok Ltd | Wholesale & retail | 2024 |
| Dervish Supermarket Ltd | Wholesale & retail | 2018 |
| Dervisler Properties Ltd | Real estate | 2023 |
| Desi EMM Ltd | Administrative & support | 2023 |
| Desi Mela UK Ltd | Administrative & support | 2023 |
| Desi Rasoi Ltd | Hospitality | 2026 |
| Desi Tadka Hayes Ltd | Hospitality | 2026 |
| Desi Tadka UK Ltd | Administrative & support | 2017 |
| Desi Tiles World Limited | Wholesale & retail | 2023 |
| Desi Toilets Hire Ltd | Water & waste | 2019 |
| Desifest London CIC | Administrative & support | 2024 |
| Design - Plus (UK) Limited | Administrative & support | 2005 |
| Design Construct & Build Co Ltd | Construction | 2021 |
| Design Cove Ltd | Information & communication | 2021 |
| DESIGN4YOURDRIVEWAY Limited | Construction | 2026 |
| Designer Banu Ltd | Manufacturing | 2025 |
| Designer Composite Door Factory Limited | Manufacturing | 2020 |
| Designverse Ltd | Information & communication | 2026 |
| Desire Digital Limited | Arts & recreation | 2026 |
| Desivibez Ltd | Wholesale & retail | 2026 |
| Desta Engineering Limited | Construction | 2014 |
| Destination on Time Ltd | Transport & logistics | 2023 |
| Destinations Sales Group Ltd | Wholesale & retail | 2025 |
| Destiny Traders Ltd | Wholesale & retail | 2022 |
| Detached Audio Ltd | Information & communication | 2025 |
| DEU Construction Limited | Construction | 2025 |
| DEV Fast Food Ltd | Hospitality | 2016 |
| DEV Housing Management Limited | Real estate | 2020 |
| DEV Real Estate Limited | Real estate | 2025 |
| DEV Shutter and Shopfronts Ltd | Construction | 2019 |
| Devace Limited | Construction | 2001 |
| Devansh Investments Ltd | Real estate | 2023 |
| Devbhomi Ltd | Hospitality | 2024 |
| Develop a Space Limited | Hospitality | 2025 |
| Deven Design & Build Ltd | Construction | 2019 |
| Devgan Construction Ltd | Manufacturing | 2024 |
| Devgun Enterprises Ltd | Construction | 2021 |
| Devmart Ltd | Wholesale & retail | 2020 |
| Devopz Consulting Limited | Information & communication | 2020 |