| D Middleton Ltd | Other services | 2014 |
| D Murray Logistics Limited | Other services | 2021 |
| D Onana Ltd | Administrative & support | 2025 |
| D P Automotive Limited | Professional & scientific | 2009 |
| D P Hunt Property Ltd | Administrative & support | 2017 |
| D Patel Construction Limited | Construction | 2017 |
| D S J 88 Limited | Extraterritorial | 2016 |
| D S M (General) Ltd | Construction | 2015 |
| D Sykes Limited | Professional & scientific | 2010 |
| D Szpak Transport Ltd | Construction | 2012 |
| D Y Interiors and Building Limited | Construction | 2022 |
| D&D Africa Exotics Ltd | Wholesale & retail | 2020 |
| D&D Expedition Ltd | Transport & logistics | 2019 |
| D&H Woodworks Ltd | Manufacturing | 2025 |
| D&Hj Bennett Ltd | Financial services | 2026 |
| D&M Sports and Social Ltd | Hospitality | 2019 |
| D&R Contract Services Holdings Limited | Financial services | 2018 |
| D&S Waste Management Ltd | Water & waste | 2025 |
| D&Y Family Properties Ltd | Real estate | 2023 |
| D'Hairport Ltd | Wholesale & retail | 2025 |
| D-Farm Ventures Ltd | Hospitality | 2019 |
| D-Lux Flips Limited | Real estate | 2025 |
| D-Lux Invests Limited | Real estate | 2025 |
| D-Lux Property Limited | Extraterritorial | 2024 |
| D-Mix Concrete Ltd | Manufacturing | 2022 |
| D. F. Banks Painting and Decorating Limited | Construction | 2009 |
| D. J. Wright Flooring Limited | Construction | 2006 |
| D. Stewart Rail Solutions Ltd | Manufacturing | 2012 |
| D.& J.Bailey(Flooring)Limited | Construction | 1972 |
| D.C.A 1983 Logistics Limited | Transport & logistics | 2020 |
| D.F.J. Hewer (Builders) Limited | Construction | 1983 |
| D.H Transconsult Ltd | Transport & logistics | 2025 |
| D.I.A.L Roofing & Cladding Systems Ltd | Construction | 2021 |
| D.J.Docker Transport Ltd | Administrative & support | 2017 |
| D.N.O. Design Ltd | Professional & scientific | 2019 |
| D.S Reclamation & Salvage Limited | Administrative & support | 2017 |
| D.S.Clinicalcodingservices Ltd | Information & communication | 2015 |
| D1 Contracts Limited | Transport & logistics | 2023 |
| D2D Retail Solutions Ltd | Construction | 2020 |
| D4VINCITRANSPORT Ltd | Transport & logistics | 2025 |
| Daani's Designs Ltd | Other services | 2023 |
| Daariya Ltd | Wholesale & retail | 2026 |
| Daat GEM Limited | Health & social care | 2023 |
| Dabaash Trading Ltd | Wholesale & retail | 2024 |
| Dabam Ltd | Health & social care | 2023 |
| Dabeatbangz Entertainment Ltd | Information & communication | 2025 |
| Dabhi Ltd | Health & social care | 2016 |
| Dabrobot Ltd | Professional & scientific | 2018 |
| Dacaa Ltd | Construction | 2025 |
| Dadepence Ltd | Wholesale & retail | 2024 |
| Dadra Construction Services Ltd | Construction | 2025 |
| Daelapeloris Ltd | Administrative & support | 2024 |
| Daftbrous Ltd | Wholesale & retail | 2024 |
| Daily Driven Cars Limited | Wholesale & retail | 2021 |
| Daily Maintenance Ltd | Construction | 2026 |
| Daily Pickz Ltd | Wholesale & retail | 2025 |
| Daily Ware Limited | Wholesale & retail | 2024 |
| Dainty & Co Ltd | Administrative & support | 2017 |
| Daisy Chains Day Nursery Ltd | Other services | 2010 |
| Daisy Holdings (Midlands) Limited | Real estate | 2017 |
| Dal's Interiors Ltd | Wholesale & retail | 2015 |
| Dale Ratledge Motor Services Limited | Wholesale & retail | 2007 |
| Dale Retail Ltd | Wholesale & retail | 2016 |
| Dale Retail Resi Ltd | Real estate | 2023 |
| Dales News Ltd | Wholesale & retail | 2014 |
| Dalesyer Ltd | Wholesale & retail | 2024 |
| Dalil K9 Security Ltd | Administrative & support | 2025 |
| Dalki Meadows Ltd | Construction | 2025 |
| Daltan Inc Limited | Professional & scientific | 2012 |
| Dalwadi Property Holdings Ltd | Real estate | 2018 |
| DAM Wholesale Ltd | Wholesale & retail | 2022 |
| Damand Ltd | Construction | 2022 |
| Damarco Ltd | Transport & logistics | 2019 |
| Dameremp Ltd | Transport & logistics | 2024 |
| Damex Ltd | Transport & logistics | 2011 |
| Dammy Natural Cars Ltd | Wholesale & retail | 2023 |
| Damon Sun Ltd | Real estate | 2022 |
| Dampvert Ltd | Transport & logistics | 2024 |
| DAN Barnard Ltd | Construction | 2025 |
| DAN Florentin Ionescu Limited | Other services | 2017 |
| Dan-Electrical Ltd | Construction | 2024 |
| Danaerassa Ltd | Administrative & support | 2024 |
| Danamayo Ltd | Administrative & support | 2020 |
| Dance and Beats by Beth Ltd | Arts & recreation | 2026 |
| Dance City Ltd | Arts & recreation | 2004 |
| Danceiah Ltd | Wholesale & retail | 2024 |
| Daner Limited | Wholesale & retail | 1982 |
| Daniash Trading Limited | Wholesale & retail | 2019 |
| Daniel Oxford Ltd | Manufacturing | 2021 |
| Daniel Truck Ltd | Transport & logistics | 2017 |
| Daniellelouisa-Aesthetics Ltd | Health & social care | 2021 |
| DANNY7 Ltd | Transport & logistics | 2023 |
| Dannys Fried Chicken Ltd | Hospitality | 2023 |
| Dans Pizza Co Ltd | Hospitality | 2026 |
| Dansoh Limited | Wholesale & retail | 2025 |
| Dantata Group Ltd | Wholesale & retail | 2025 |
| Dany B Ltd | Transport & logistics | 2022 |
| Dargahgate Kitchens Ltd | Hospitality | 2021 |
| Dark Foundry NO8 Limited | Manufacturing | 2025 |
| Dark Sale Limited | Wholesale & retail | 2025 |