| Durham Wells Ltd | Wholesale & retail | 2025 |
| Durkin & Ramsey Investments Limited | Other services | 2016 |
| Durow Ltd | Professional & scientific | 2026 |
| Dusita Thai Massage Ltd | Other services | 2014 |
| Dust and Fume Filtration Ltd. | Construction | 2013 |
| Dust Busters Services Ltd | Administrative & support | 2020 |
| Dust Solutions Limited | Construction | 2002 |
| Dust Spares Ltd | Professional & scientific | 2000 |
| Dustraction Limited | Manufacturing | 2000 |
| Dutch Lime Ltd | Professional & scientific | 2022 |
| Dutchpot Limited | Hospitality | 2026 |
| Dutta a Star Limited | Hospitality | 2020 |
| Dutton Consultancy Ltd | Real estate | 2011 |
| Dutydoctor Healthcare Ltd | Health & social care | 2023 |
| DV & Sons Ltd | Construction | 2017 |
| DV Consult Ltd | Professional & scientific | 2026 |
| DV Electrical & Home Improvements Ltd | Construction | 2024 |
| Dvilis Ltd | Transport & logistics | 2018 |
| Dvina Prospectus Ltd | Wholesale & retail | 2022 |
| DVM Booze Ltd | Wholesale & retail | 2025 |
| DVM Wholesale Ltd | Wholesale & retail | 2024 |
| Dvpp Ltd | Wholesale & retail | 2018 |
| DVR Medical Services Ltd | Health & social care | 2016 |
| DVX Holdings Ltd | Financial services | 2025 |
| DVY Properties Limited | Households | 2024 |
| DW Cladding (U.K) Limited | Construction | 2019 |
| DW Creative Associates Ltd | Professional & scientific | 2020 |
| DW Duct-Shop Direct Ltd | Wholesale & retail | 2024 |
| DW Ducting Supplies Ltd | Wholesale & retail | 2023 |
| DW Engineering Co. Ltd | Professional & scientific | 2014 |
| DW Fascia Limited | Construction | 2019 |
| DW Housing Limited | Real estate | 2022 |
| DW Landscapes Ltd | Administrative & support | 2015 |
| DW Logistics and Transport Ltd | Transport & logistics | 2026 |
| Dwarika Investments Limited | Real estate | 2026 |
| Dwarkadhish Investments Ltd | Real estate | 2026 |
| Dwarkadhish Limited | Wholesale & retail | 2026 |
| DWC Coalville Limited | Health & social care | 2024 |
| Dwell Holdings Limited | Real estate | 2000 |
| Dwell Leicester Limited | Real estate | 2015 |
| Dwell Limited | Health & social care | 1986 |
| Dwella Limited | Real estate | 2025 |
| Dwellement Ltd | Real estate | 2022 |
| Dwg.It Limited | Administrative & support | 2022 |
| Dwijay Ltd | Real estate | 2025 |
| DWL GAS Limited | Construction | 2013 |
| DWL Stitches Ltd | Manufacturing | 2026 |
| DWM Power Tech Limited | Professional & scientific | 2017 |
| DWS Legal Limited | Professional & scientific | 2014 |
| DXL UK Trans Ltd | Transport & logistics | 2024 |
| DY Auto Limited | Wholesale & retail | 2011 |
| Dyal Venue Hire Ltd | Hospitality | 2025 |
| Dyce Surgery Ltd | Health & social care | 2011 |
| DYE Point Ltd | Manufacturing | 2019 |
| Dyer & Co Wealth Management Ltd | Financial services | 2022 |
| Dyerich Ltd | Wholesale & retail | 2025 |
| Dygitized Limited | Information & communication | 2022 |
| Dylan Foods Ltd | Wholesale & retail | 2024 |
| Dynamic (UK) Energy Solutions Limited | Construction | 2024 |
| Dynamic Care Services Ltd | Health & social care | 2014 |
| Dynamic Cooling Solutions Limited | Construction | 2013 |
| Dynamic Driving School Leicester Ltd | Education | 2025 |
| Dynamic Electric Metering Limited | Information & communication | 2015 |
| Dynamic Electrical & Security Systems Ltd | Construction | 2019 |
| Dynamic Heating & Plumbing Solutions Ltd | Construction | 2020 |
| Dynamic Investments (UK) Limited | Manufacturing | 2014 |
| Dynamic Leics Ltd | Professional & scientific | 2013 |
| Dynamic Restaurants Limited | Hospitality | 2020 |
| Dynamic Risk Associates Ltd | Administrative & support | 2007 |
| Dynamic Shift Ltd | Health & social care | 2025 |
| Dynamic Social Care Solutions Limited | Health & social care | 2014 |
| Dynamic Synergy Limited | Health & social care | 2014 |
| Dynamic Technical Solutions Limited | Information & communication | 2005 |
| Dynamic UK Consulting Limited | Construction | 2013 |
| Dynamically Ltd | Transport & logistics | 2024 |
| Dynamo Magenta Ltd | Wholesale & retail | 2022 |
| Dynasty Hospitality Ltd | Hospitality | 2026 |
| DYP Ltd | Wholesale & retail | 2024 |
| DYS Software Limited | Information & communication | 2025 |
| Dysk Engineering Solutions Ltd | Construction | 2015 |
| Dyslexia Lifeline Ltd | Education | 2011 |
| Dyson Builders Limited | Construction | 2016 |
| Dyson Design Limited | Wholesale & retail | 2006 |
| Dyson's Competitions Ltd | Arts & recreation | 2026 |
| Dystinity Ltd | Wholesale & retail | 2023 |
| DYT2 Limited | Hospitality | 2022 |
| Dyuk Limited | Wholesale & retail | 2025 |
| Dyvr Limited | Information & communication | 2023 |
| DZ MAP Ltd | Transport & logistics | 2026 |
| Dzavakwa Logistics Ltd | Health & social care | 2012 |
| Détrimm Ltd | Other services | 2025 |
| E & C House Cleaning Ltd | Administrative & support | 2026 |
| E & J Peacock Properties Ltd | Real estate | 2023 |
| E & M Decorators Limited | Construction | 2020 |
| E & S Engineering Ltd | Professional & scientific | 2018 |
| E & S Raven Property Maintenance Ltd | Construction | 2006 |
| E a Global Limited | Wholesale & retail | 2022 |
| E a Home Care Services Ltd | Health & social care | 2024 |
| E Bazar Private Limited | Wholesale & retail | 2025 |
| E C Transport (Leicester) Limited | Transport & logistics | 1998 |