| Dart Engineering Services Ltd | Professional & scientific | 2019 |
| Dartboard Math Ltd | Education | 2024 |
| Dartsdudes Limited | Arts & recreation | 2018 |
| Darvick Ltd | Manufacturing | 2020 |
| DAS Prestige Limited | Wholesale & retail | 2026 |
| Davado Limited | Arts & recreation | 2025 |
| Davcott Capital Ltd | Real estate | 2026 |
| Dave the Coach Ltd | Professional & scientific | 2019 |
| Davenhill Investments Holdings Limited | Financial services | 2019 |
| Davenhill Investments Limited | Financial services | 2019 |
| Davenhill Quarries Holdings Limited | Mining & quarrying | 2019 |
| Davenhill Quarries Land Ltd | Mining & quarrying | 2024 |
| Davicon Group Limited | Financial services | 2020 |
| Davicon Holdings Limited | Financial services | 2017 |
| Davicon Mezzanine Floors Limited | Manufacturing | 2009 |
| David Holliday Engineering Limited | Professional & scientific | 2003 |
| David Thompson Dental Laboratory Ltd | Manufacturing | 2004 |
| Davidgrill Limited | Hospitality | 2023 |
| Davies Plant Sales Limited | Wholesale & retail | 2025 |
| Davis-Standard Ltd | Manufacturing | 2000 |
| Davron Motors Limited | Wholesale & retail | 2010 |
| Dazorn Ltd | Wholesale & retail | 2018 |
| Dazzlepot Ltd | Wholesale & retail | 2018 |
| DC21 Properties Limited | Real estate | 2020 |
| DCB Environmental Limited | Other services | 2009 |
| DCB Group Holdings Limited | Real estate | 2014 |
| DDD Property Investments Limited | Real estate | 2025 |
| DDM Designs Ltd | Professional & scientific | 2018 |
| De-Luxxe Living Spaces Ltd | Manufacturing | 2025 |
| De-Met Colourcoat Limited | Manufacturing | 2001 |
| De-Met Limited | Manufacturing | 1998 |
| Dealzify Ltd | Wholesale & retail | 2022 |
| Deancast Limited | Manufacturing | 2011 |
| Decarbonising Transport Consultancy Limited | Professional & scientific | 2024 |
| Decor Products Limited | Other services | 1998 |
| Deerhurst Estates Ltd | Real estate | 2023 |
| Definitive Plumbing Heating Renewables Limited | Construction | 2021 |
| Defy Limitations Ltd | Arts & recreation | 2017 |
| Deirivge Property Limited | Administrative & support | 2020 |
| Deliver ME Logistics Ltd | Transport & logistics | 2025 |
| Delonbress Ltd | Transport & logistics | 2017 |
| Delph Glazed Units Limited | Manufacturing | 2004 |
| Delph Waterside Management Company Limited | Real estate | 2005 |
| Delta Sheet Metal Ltd | Manufacturing | 2019 |
| Deltec Climate Ltd | Construction | 2024 |
| Denston Builders Limited | Construction | 2024 |
| Denston Property Services Ltd. | Construction | 2009 |
| Derek Coulson Limited | Information & communication | 2026 |
| Design - Floor (Midlands) Limited | Construction | 2026 |
| Design Management Solutions Ltd. | Professional & scientific | 2004 |
| Designer Drives Ltd | Construction | 2014 |
| DEV Developments Limited | Construction | 2018 |
| Devil Fish Poker Limited | Other services | 2005 |
| Devon Petersen Darts Limited | Arts & recreation | 2020 |
| Dexter-Daisy Pubs Limited | Hospitality | 2018 |
| DGN Property Investments Ltd | Real estate | 2021 |
| DH4 Systems Limited | Administrative & support | 2018 |
| DHA22 Holdings Limited | Real estate | 2025 |
| Dhaliwal Management Ltd | Information & communication | 2021 |
| Dhic Property Ltd | Real estate | 2021 |
| DHS Repairs Limited | Manufacturing | 2022 |
| Diffusion Fashion Limited | Wholesale & retail | 2018 |
| Dighton Limited | Professional & scientific | 2014 |
| Digital Daisies Ltd | Professional & scientific | 2021 |
| Digital Holistics Limited | Information & communication | 2016 |
| Ding Dong Draws Ltd | Wholesale & retail | 2026 |
| Direct Channel Asset Company Ltd | Real estate | 2021 |
| Direct Channel Support Systems Limited | Wholesale & retail | 2010 |
| Discofix Limited | Manufacturing | 2024 |
| Disperis Contracting Ltd | Transport & logistics | 2016 |
| DIY Trade Tools Limited | Wholesale & retail | 2021 |
| DJ Gwilt Heating & Plumbing Ltd | Construction | 2009 |
| DJB Security Steel Doors Limited | Construction | 2022 |
| Djla Ingredients Limited | Hospitality | 2024 |
| DM1 Property Investments Limited | Real estate | 2021 |
| DMC Utilities Limited | Other services | 2014 |
| Dmch Limited | Financial services | 2014 |
| Dmnock Ltd | Real estate | 2026 |
| DNB Vapes Limited | Wholesale & retail | 2017 |
| DNM Merchants Ltd | Wholesale & retail | 2023 |
| Dobson Management Services Limited | Real estate | 2022 |
| Dock Properties Limited | Real estate | 2022 |
| Doctorque Limited | Health & social care | 2011 |
| Doddingtree Limited | Real estate | 2017 |
| Dog and Partridge at Marchington Limited | Hospitality | 2024 |
| Dog and Partridge Holding Company Ltd | Real estate | 2024 |
| Dojo Flow Ltd | Information & communication | 2025 |
| Donna S Home Style Cooking Ltd | Manufacturing | 2025 |
| Donovan & Sons Properties Ltd | Real estate | 2023 |
| Donsons Limited | Financial services | 1994 |
| Doorflex Products Ltd | Manufacturing | 1993 |
| Dotty Dogs Limited | Professional & scientific | 2020 |
| Douglas J T Properties Limited | Real estate | 2025 |
| DP25 Properties Limited | Real estate | 2025 |
| DPF Centre Ltd | Wholesale & retail | 2024 |
| DPF Ultra Clean Limited | Wholesale & retail | 2019 |
| DPL Interiors Ltd | Construction | 2023 |
| DPS (2014) Limited | Construction | 2014 |
| DR LEA Psychology Ltd | Health & social care | 2021 |
| DR Safety Limited | Health & social care | 2012 |