| Dragoness Limited | Real estate | 2016 |
| Draig Goch Builders Limited | Construction | 2016 |
| Dram Arch Ltd | Wholesale & retail | 2025 |
| Dram FAM Ltd | Professional & scientific | 2023 |
| Dram Wholesale Ltd | Wholesale & retail | 2023 |
| Drayton Court Brockworth Management Ltd | Households | 2021 |
| Drcb Ltd | Wholesale & retail | 2024 |
| DRD Taxis Ltd | Transport & logistics | 2025 |
| Dream Gardens Gloucester Limited | Administrative & support | 2025 |
| Dream Holdings Limited | Other services | 2016 |
| Dream Solution World Limited | Professional & scientific | 2024 |
| Dreamscape Interiors Ltd | Construction | 2003 |
| Dreamsight Internet Limited | Information & communication | 2017 |
| Dreamweaver Visions Ltd | Other services | 2025 |
| Drei Edge // Ltd | Arts & recreation | 2025 |
| DRI Design Engineering Ltd | Professional & scientific | 2007 |
| Driftan Limited | Wholesale & retail | 2025 |
| Drillbook Academy Ltd | Education | 2026 |
| Drive AP Ltd | Information & communication | 2023 |
| Drive Away Car Sales Ltd | Wholesale & retail | 2023 |
| Drive for Excellence Ltd | Professional & scientific | 2014 |
| Drives and Patios Limited | Administrative & support | 2014 |
| Driveways South West Ltd | Construction | 2021 |
| Dronex Events Ltd | Professional & scientific | 2024 |
| DRW Infosec Consulting Limited | Administrative & support | 2018 |
| DSP Group Services Ltd | Hospitality | 2025 |
| Dsrt Group Limited | Real estate | 2025 |
| DT Security Ltd | Administrative & support | 2024 |
| DT Solutions Limited | Manufacturing | 2008 |
| Dtiss Ltd | Information & communication | 2014 |
| DTL Building Services Ltd | Construction | 2025 |
| Dtrh Ltd | Other services | 2023 |
| DTS Carpentry Ltd | Construction | 2020 |
| Dual Connections Ltd | Construction | 2021 |
| Duddage Farm Management Limited | Real estate | 2004 |
| Duffcarrig Limited | Hospitality | 2015 |
| Duligall & Associates Ltd | Information & communication | 2010 |
| Dumfries Drive (Trowbridge) Management Company Limited | Households | 2025 |
| Dumraba Ltd | Other services | 2025 |
| Duncan-Taggart Property Investments Limited | Real estate | 2025 |
| Duncanson & Holt Europe Limited | Financial services | 1989 |
| Dunn and Dusted Pest Control Ltd | Administrative & support | 2021 |
| Dunn Property Management Services Limited | Real estate | 2021 |
| Dunslea Haulage Ltd | Transport & logistics | 2014 |
| Dunstan Glen Management Limited | Households | 2023 |
| Duplia Ltd | Information & communication | 2012 |
| Durucliff Limited | Transport & logistics | 2017 |
| Dusty Slider Limited | Information & communication | 2008 |
| Dutypoint (NW) Ltd | Financial services | 2017 |
| Dutypoint Limited | Manufacturing | 2014 |
| DUZ Property Limited | Real estate | 2021 |
| DV Auto Repairs Ltd | Manufacturing | 2023 |
| DV Building & Plastering Ltd | Construction | 2024 |
| Dvmi Ltd | Transport & logistics | 2019 |
| DVW Project Management Solutions Ltd. | Extraterritorial | 2012 |
| DW Mechanical Contractors Limited | Construction | 2026 |
| DW Pact Limited | Other services | 2015 |
| Dwhite Group Ltd | Financial services | 2022 |
| DXB Fuels Limited | Other services | 2022 |
| DXB Retail Limited | Wholesale & retail | 2022 |
| Dyer 16 (North) Limited | Professional & scientific | 2018 |
| Dymond House RTM Company Ltd | Households | 2016 |
| Dynamic Dogs Limited | Agriculture & fishing | 2003 |
| Dynamic Heli Parts Ltd | Wholesale & retail | 2024 |
| Dynamic Sales Solutions Ltd | Professional & scientific | 2006 |
| Dynamicpitch Ltd | Wholesale & retail | 2020 |
| Dynamiq Goods Limited | Wholesale & retail | 2022 |
| Dynara Energy Ltd | Construction | 2025 |
| Dynasty Exclusive Ltd | Professional & scientific | 2021 |
| Dynavour Care Services Limited | Extraterritorial | 2009 |
| Dynavour Limited | Health & social care | 2002 |
| DZH Holdings Ltd | Real estate | 2022 |
| E & J Property Holdings Ltd | Real estate | 2026 |
| E & M Event Management Ltd | Hospitality | 2026 |
| E & R Homes Ltd | Real estate | 2018 |
| E & R Mechanical Services Ltd | Construction | 2015 |
| E F Coaching Ltd | Education | 2020 |
| E F Wealth Ltd | Real estate | 2022 |
| E G Carter (Holdings) Limited | Financial services | 2003 |
| E J Bell Ltd | Administrative & support | 2019 |
| E J Tanner Ltd | Construction | 2018 |
| E J Taylor & Sons (Gloucester) Limited | Construction | 1999 |
| E Maxi Shop Ltd | Wholesale & retail | 2018 |
| E Rimmer Construction Limited | Construction | 2017 |
| E Thengumpalli Ltd | Health & social care | 2025 |
| E&B Security Limited | Financial services | 2020 |
| E-Listing Ltd | Professional & scientific | 2022 |
| E-Services Worldwide Ltd | Wholesale & retail | 2017 |
| E-Simplistic Limited | Information & communication | 2009 |
| E. Cotton Motorcycles Limited | Manufacturing | 1998 |
| E. G. Carter (Developments) Limited | Extraterritorial | 1988 |
| E.D.C.M. Engineering Limited | Manufacturing | 2013 |
| E.G Legal Limited | Professional & scientific | 2018 |
| E.G.Carter & Company Limited | Construction | 1964 |
| E.I.O. Trustees Limited | Administrative & support | 1968 |
| E.L.P. Accounting Services Ltd | Professional & scientific | 2019 |
| E.P-Sagri Ltd | Financial services | 2024 |
| E.R Electrical Services Ltd. | Construction | 2019 |
| Eagle Exterior Cleaning Ltd | Administrative & support | 2025 |
| Eagle Lettings Ltd | Real estate | 2018 |