| Desktop Limited | Information & communication | 2005 |
| Desla Group Limited | Mining & quarrying | 2022 |
| Desom Motors Ltd | Wholesale & retail | 2025 |
| Dessert Rose Ltd | Hospitality | 2024 |
| Dessert Villa Ltd | Hospitality | 2024 |
| Desta Global Ltd | Wholesale & retail | 2019 |
| Desta Organics Ltd | Wholesale & retail | 2023 |
| Destej Properties Limited | Real estate | 2006 |
| Destiny Bike Service Ltd | Wholesale & retail | 2024 |
| Detailers on Call Ltd | Wholesale & retail | 2026 |
| Detangled Hair Ltd | Wholesale & retail | 2017 |
| Deus EX Gardenia Ltd | Wholesale & retail | 2023 |
| DEV Contractors Ltd | Construction | 2019 |
| DEV Hairdresser Limited | Other services | 2025 |
| DEV Imports Ltd | Wholesale & retail | 2019 |
| DEV State Ltd | Professional & scientific | 2024 |
| Devadi Limited | Administrative & support | 2015 |
| Devalia Properties Limited | Real estate | 2023 |
| Devbuild UK Limited | Construction | 2012 |
| Developer R Squared Limited | Information & communication | 2025 |
| DEVELOPMENT101 Limited | Real estate | 2018 |
| DEVELOPMENT2 Limited | Administrative & support | 2011 |
| Develvo Limited | Wholesale & retail | 2026 |
| Deveshri Limited | Wholesale & retail | 2026 |
| Devi Jewellers Ltd | Wholesale & retail | 2024 |
| Devi Stores Ltd | Wholesale & retail | 2023 |
| Deviant Limited | Wholesale & retail | 2025 |
| Devidu Construction Limited | Construction | 2023 |
| Devimpact Advisors Ltd | Professional & scientific | 2024 |
| Devjainik Properties Ltd | Real estate | 2018 |
| Devjan Ltd | Real estate | 2018 |
| Devo Trade Ltd | Construction | 2026 |
| Devonshire Associates (UK) Ltd | Administrative & support | 2010 |
| Devonshire Centre Ltd | Health & social care | 2022 |
| Dexan Power & Build Ltd | Construction | 2026 |
| Dexter Contractors Ltd | Construction | 2016 |
| Dezal Ltd | Wholesale & retail | 2021 |
| Dfal Ltd | Professional & scientific | 2014 |
| DG Contractors Ltd | Administrative & support | 2016 |
| DG Network and Wireless Consultancy Ltd | Information & communication | 2022 |
| DG Structural Engineering Ltd | Professional & scientific | 2025 |
| DG, Bar and Restaurant Limited | Hospitality | 2022 |
| DGD Zinc Roofing and Cladding Ltd | Construction | 2020 |
| DGG Logistics Ltd | Transport & logistics | 2021 |
| Dgmm Properties Ltd | Real estate | 2024 |
| DGS Associates Ltd | Professional & scientific | 2025 |
| DH Computer Ltd | Information & communication | 2026 |
| DH Hospitality London Ltd | Hospitality | 2025 |
| Dhading Samaj UK | Health & social care | 2025 |
| Dhairya Group Ltd | Wholesale & retail | 2025 |
| Dhami Transport Limited | Transport & logistics | 2006 |
| Dhamma Retreats | Other services | 2011 |
| Dhamu Hema Estates Ltd | Real estate | 2023 |
| Dhanika Properties Ltd | Real estate | 2025 |
| Dhanya Logistics Limited | Transport & logistics | 2012 |
| Dharani Properties Limited | Real estate | 2024 |
| Dharmjivan Consultant Ltd | Professional & scientific | 2022 |
| Dhaz Fashion Limited | Other services | 2020 |
| Dheera Logistics Ltd | Transport & logistics | 2025 |
| Dhillons Flour Mill Limited | Manufacturing | 2022 |
| Dhiru Gorasia Group Ltd | Financial services | 2021 |
| Dhiru Gorasia Ltd | Real estate | 2021 |
| Dhiyanika Enterprise Ltd | Transport & logistics | 2025 |
| Dhizay Limited | Professional & scientific | 2021 |
| Dhobi Cleaning Service Ltd | Administrative & support | 2026 |
| Dhrasti Method Ltd | Administrative & support | 2026 |
| Dhruvapsee Ltd | Other services | 2024 |
| Dhruvi Properties Ltd | Real estate | 2021 |
| Dhtut Ltd | Real estate | 2023 |
| DIA (Wembley) Ltd | Wholesale & retail | 2018 |
| Dial a Contractor UK Ltd | Construction | 2020 |
| Diamond Heating & Plumbing Services Ltd | Construction | 2021 |
| Diamond Jubilee Trading UK Ltd | Wholesale & retail | 2023 |
| Diamond Security Ltd | Administrative & support | 2021 |
| Diamond Smiles London Limited | Health & social care | 2017 |
| Diamond Sound Ltd | Information & communication | 2002 |
| Diana Children Ltd | Other services | 2016 |
| Diba Gostar Ltd | Wholesale & retail | 2020 |
| Dice Sculptor Ltd | Manufacturing | 2021 |
| Dida Construction London Limited | Construction | 2016 |
| Didit Solution Limited | Information & communication | 2023 |
| Digby Group Limited | Other services | 2024 |
| Digisend Ltd | Financial services | 2018 |
| Digital BOT Solutions Ltd | Information & communication | 2022 |
| Digital Spirit Ltd. | Wholesale & retail | 2015 |
| Digitalwaze Ltd | Professional & scientific | 2018 |
| Digitalx Ltd | Information & communication | 2020 |
| Digitisemarketing Ltd | Professional & scientific | 2025 |
| Digitrans Ltd | Transport & logistics | 2016 |
| Digitutors Ltd | Education | 2024 |
| Dignity Grace (UK) Ltd | Professional & scientific | 2002 |
| Diha Hair Limited | Other services | 2025 |
| Diksha Investments Limited | Real estate | 2023 |
| DIL & Day Limited | Real estate | 2011 |
| Dilbhav Limited | Information & communication | 2025 |
| Diligent Offspring Ltd | Health & social care | 2023 |
| Diljot Limited | Wholesale & retail | 2025 |
| Dilla Ltd | Wholesale & retail | 2017 |
| Dilli Darbar Limited | Hospitality | 2018 |
| DILPESHM12 Ltd | Wholesale & retail | 2024 |