| Delta Star International Ltd | Professional & scientific | 2021 |
| Deltacol Limited | Construction | 1997 |
| Deltafix Ltd | Administrative & support | 2019 |
| Delyn Metals Limited | Wholesale & retail | 1987 |
| Demage Management Services Limited | Professional & scientific | 2017 |
| Dembe Limited | Professional & scientific | 2016 |
| Demby Farm Ltd | Agriculture & fishing | 2021 |
| Demetri Group Ltd | Hospitality | 2019 |
| Demlek Consulting Ltd | Financial services | 2011 |
| Demlek Properties Limited | Real estate | 2024 |
| Demoreton Marine Limited | Transport & logistics | 2022 |
| Denelson Group Limited | Other services | 2025 |
| Densons Recruit Ltd | Hospitality | 2025 |
| Denton Clark Rentals Limited | Real estate | 2005 |
| Dentukas Ltd | Manufacturing | 2025 |
| DEPLOY365 Ltd | Information & communication | 2025 |
| Derma DEN Aesthetics Ltd | Health & social care | 2023 |
| Derma Group Ltd | Administrative & support | 2021 |
| Derwen Joinery Ltd | Manufacturing | 2016 |
| Desian Recruitment Ltd | Administrative & support | 2024 |
| Design DNA Ltd | Professional & scientific | 2007 |
| Designcafe (UK) Ltd | Professional & scientific | 2011 |
| Designed in Colour Limited | Wholesale & retail | 2015 |
| DESIGNED4DEVOPS Ltd | Information & communication | 2021 |
| Designs Zone Ltd | Professional & scientific | 2010 |
| Destal Gates & Fencing Ltd | Manufacturing | 2010 |
| Destination 2 Cruise Limited | Administrative & support | 2019 |
| Destination 2 Limited | Administrative & support | 2016 |
| DEV Done Ltd | Information & communication | 2017 |
| Deva Arms Co (Gunsmiths) Limited | Arts & recreation | 2016 |
| Deva Bridge Club | Arts & recreation | 2013 |
| Deva Build Ltd | Households | 2021 |
| Deva Business Park Management Company Limited | Real estate | 2022 |
| Deva Catering Ltd | Hospitality | 2025 |
| Deva Consulting Services Limited | Administrative & support | 2015 |
| Deva Craft Beer Ltd | Manufacturing | 2014 |
| Deva Designs Limited | Wholesale & retail | 1992 |
| Deva Digital Ltd | Administrative & support | 2020 |
| Deva Directors Limited | Professional & scientific | 2022 |
| Deva Dynamics Ltd | Professional & scientific | 2023 |
| Deva Engineering Services Ltd | Professional & scientific | 2016 |
| Deva English Limited | Education | 2014 |
| Deva Entertainments Limited | Arts & recreation | 2003 |
| Deva Golf Limited | Wholesale & retail | 2020 |
| Deva Health and Safety Limited | Other services | 2017 |
| Deva Holdings Limited | Information & communication | 2023 |
| Deva House Limited | Households | 2002 |
| Deva Integrated Services Limited | Administrative & support | 2022 |
| Deva IT Ltd | Information & communication | 2008 |
| Deva Land and Property Ltd | Real estate | 2023 |
| Deva Medical Consulting Limited | Professional & scientific | 2006 |
| Deva Medical Practice Management Limited | Administrative & support | 2021 |
| Deva Mowers Limited | Manufacturing | 1966 |
| Deva Planning Ltd | Professional & scientific | 2023 |
| Deva Pools Limited | Manufacturing | 2004 |
| Deva Portus Ltd | Financial services | 2024 |
| Deva Project Management Ltd | Information & communication | 2018 |
| Deva Property Maintenance Ltd | Other services | 2024 |
| Deva Risk Group Ltd | Professional & scientific | 2016 |
| Deva Roman Discovery Centre Ltd | Education | 2022 |
| Deva Safety Limited | Professional & scientific | 2024 |
| Deva Solutions Chester Limited | Administrative & support | 2021 |
| Deva Trading Ltd | Information & communication | 2001 |
| Deva Travel and Tours Limited | Administrative & support | 1979 |
| Deva-Mersey Ltd | Wholesale & retail | 2016 |
| DEVA3 Limited | Other services | 2007 |
| Devans Health Care Ltd | Health & social care | 2022 |
| Devashine Limited | Administrative & support | 2014 |
| Devatech Solutions Ltd | Information & communication | 2017 |
| Devaweb Limited | Information & communication | 2011 |
| Development Solutions Ltd. | Real estate | 1999 |
| Developments STD Group Ltd | Real estate | 2009 |
| Devi Utilities Limited | Information & communication | 2012 |
| Devyser UK Ltd | Administrative & support | 2021 |
| DEW Aesthetics Ltd | Health & social care | 2019 |
| Dewan Holdings Limited | Financial services | 2025 |
| Dewisant Lettings & Management Ltd | Real estate | 2003 |
| Dewisant LM Ltd | Real estate | 2019 |
| Dewisant Ltd | Households | 2022 |
| Dexcore Construction Group Ltd | Construction | 2025 |
| Dextra Construction UK Ltd | Construction | 2014 |
| DFR Holdings Limited | Financial services | 2017 |
| DG Metal Finishing Ltd | Manufacturing | 2017 |
| DGS Horse Transport Limited | Transport & logistics | 2010 |
| DGX Maintenance Ltd | Manufacturing | 2021 |
| DH Care and Outdoor Activity Consultancy Ltd | Education | 2021 |
| DH Developments and Projects Ltd | Construction | 2011 |
| DH Property Solutions Ltd | Administrative & support | 2019 |
| Dhanjal Designs Ltd | Professional & scientific | 2025 |
| DHH Developments Ltd | Real estate | 2024 |
| DHH Holdings Ltd | Financial services | 2024 |
| Dhillon's PVT Limited | Hospitality | 2021 |
| DHM Systems Ltd | Professional & scientific | 2024 |
| Dholakia Noden Group Ltd | Real estate | 2025 |
| DHP UK Properties Ltd | Real estate | 2022 |
| DI Property Investments Ltd | Real estate | 2024 |
| Diagnostic Techniques Limited | Professional & scientific | 2006 |
| Diagoro Bars Ltd | Hospitality | 2025 |
| Dial a Dog Wash Chester Limited | Professional & scientific | 2016 |
| Dial a Dog Wash Wirral Limited | Other services | 2016 |