| DPB Limited | Construction | 2011 |
| DPN Installation Ltd | Construction | 2025 |
| DPV Logistics Group Limited | Transport & logistics | 2023 |
| DR N Bhatt Limited | Health & social care | 2016 |
| Dramont (Holdings) Limited | Professional & scientific | 1990 |
| Drax Cleaning Services Ltd | Administrative & support | 2018 |
| Draxx Services Ltd | Administrative & support | 2019 |
| Dream Abode Properties Ltd | Real estate | 2023 |
| Dream and Vision Ltd | Wholesale & retail | 2020 |
| Dream Wings Ltd | Wholesale & retail | 2024 |
| Dreamcart Innovations Ltd | Wholesale & retail | 2025 |
| Dreams Developers Limited | Construction | 2015 |
| Dreams Media Limited | Information & communication | 2012 |
| Dreamtree Care Ltd | Health & social care | 2026 |
| DRG Facades Ltd | Construction | 2024 |
| Drich Homes Ltd | Real estate | 2025 |
| Drip Donutz Ltd | Hospitality | 2026 |
| Driveline Leasing Ltd | Administrative & support | 2024 |
| Drivena Limited | Education | 2025 |
| Driveway Management Ltd | Real estate | 2007 |
| Drl.Electrical Systems Limited | Construction | 2025 |
| Drone Tour Limited | Wholesale & retail | 2025 |
| Drop Needle UK Ltd | Administrative & support | 2017 |
| Dropshipping Gurus Ltd | Information & communication | 2023 |
| DRS Business & Financial Consultants Ltd | Financial services | 2017 |
| DS Deamon Ltd | Transport & logistics | 2023 |
| DS Fire Protection Ltd | Construction | 2026 |
| DS6 Ltd | Wholesale & retail | 2026 |
| DSC Lettings Ltd | Real estate | 2025 |
| Dsgnr Apparel Ltd | Wholesale & retail | 2025 |
| Dsgnr Group Ltd | Financial services | 2024 |
| Dsgnr Initiative CIC | Education | 2025 |
| Dsgnr Studio Ltd | Professional & scientific | 2025 |
| DSS Auto Limited | Construction | 2015 |
| DST Motorsport Limited | Wholesale & retail | 2009 |
| Dtb-Uk Services Ltd | Construction | 2019 |
| DTD Couriers Ltd | Transport & logistics | 2015 |
| Dtdf Enterprise Limited | Wholesale & retail | 2025 |
| Duago Holdings Limited | Real estate | 2025 |
| Duago Motors Ltd | Administrative & support | 2025 |
| Dublin Meats Limited | Wholesale & retail | 2017 |
| DUF Sports Ltd | Manufacturing | 2023 |
| Dunamis House | Professional & scientific | 2008 |
| Dunamis Impact CIC | Information & communication | 2025 |
| Dunny’S Touch UK Limited | Other services | 2026 |
| Dutch Real Estates Ltd | Construction | 2024 |
| Dutta & Co Ltd | Professional & scientific | 2017 |
| DUX Strategic Partners Ltd | Professional & scientific | 2025 |
| DXM Logistics Limited | Transport & logistics | 2024 |
| Dyii Property Investments Limited | Real estate | 2021 |
| Dylca Limited | Administrative & support | 2018 |
| Dyli Rail Ltd | Construction | 2015 |
| Dymundlyfe Limited | Other services | 2024 |
| Dynamic Force Guarding Ltd | Administrative & support | 2018 |
| Dynamic Health Systems Ltd | Wholesale & retail | 2016 |
| Dynamiq Logistics & Transport Ltd | Transport & logistics | 2025 |
| Dynamite Deal Sourcing Ltd | Real estate | 2022 |
| Dynapro Property Services Ltd | Administrative & support | 2025 |
| Dyneva Limited | Wholesale & retail | 2025 |
| DYP Group Ltd | Construction | 2023 |
| DZ Flooring Ltd | Construction | 2025 |
| DZ Property Group Ltd | Real estate | 2022 |
| DZB Development Co. Ltd | Real estate | 2018 |
| E & a DRY Cleaners Ltd | Wholesale & retail | 2007 |
| E & M Superstore Limited | Wholesale & retail | 2005 |
| E & Q Construction Ltd | Construction | 2022 |
| E & S Fixers Limited | Construction | 2007 |
| E Channel Homes Ltd | Real estate | 2021 |
| E Cleaning Company (London) Ltd | Administrative & support | 2021 |
| E K 1 Services Ltd | Administrative & support | 2019 |
| E Karakushi Ltd | Administrative & support | 2025 |
| E M Training Advocacy CIC | Other services | 2023 |
| E M Training Solutions Ltd | Education | 2008 |
| E Motor Bay Ltd | Wholesale & retail | 2017 |
| E Petrov Fire Protection Ltd | Construction | 2026 |
| E S B Services Limited | Construction | 1990 |
| E Saint George Ltd | Construction | 2019 |
| E Scalers Limited | Wholesale & retail | 2025 |
| E&L (UK) Limited | Wholesale & retail | 2009 |
| E&U Pest Control Ltd | Administrative & support | 2026 |
| E-Guarantee Ltd | Wholesale & retail | 2019 |
| E-Learning and Earning Ltd | Information & communication | 2021 |
| E.Adrian Consulting Ltd | Information & communication | 2025 |
| E.C.L. Helping Hands Ltd | Administrative & support | 2014 |
| E12 Media Services Ltd. | Arts & recreation | 2021 |
| E3 Entertainment Ltd | Information & communication | 2010 |
| E6 Glazing Limited | Construction | 2022 |
| EA Concepts Limited | Construction | 2025 |
| EA Real Estate Capital Limited | Financial services | 2023 |
| Eagle Facilities Management Services Ltd | Administrative & support | 2019 |
| Eagle Import & Export Ltd | Wholesale & retail | 2023 |
| Eaglecrest Group Ltd | Administrative & support | 2025 |
| Eagleview Consult Ltd | Professional & scientific | 2020 |
| Eamhomes Ltd | Real estate | 2025 |
| EAO Consulting Ltd | Information & communication | 2022 |
| Early Talkers Ltd | Health & social care | 2025 |
| EAS Search Limited | Administrative & support | 2019 |
| East & West Bridge Group Limited | Wholesale & retail | 2025 |
| East 'N' West Cash & Carry Limited | Wholesale & retail | 2006 |
| East 2 West Harmony Ltd | Construction | 2019 |