| Dave & Dave Ltd | Wholesale & retail | 2020 |
| Dave Bennett Electrical Ltd | Manufacturing | 2013 |
| Dave Construction Ltd | Construction | 2018 |
| Dave Maxwell Limited | Construction | 2012 |
| Dave Mcnulty Fitted Furniture Limited | Manufacturing | 2006 |
| Dave Phillips Transport Limited | Transport & logistics | 2012 |
| Daven Systems Limited | Administrative & support | 2017 |
| Davenport Developments (Leicester) Limited | Construction | 2022 |
| Davenport Developments Limited | Hospitality | 1973 |
| Daventry Panelcraft Limited | Wholesale & retail | 2005 |
| Davet Ventures Limited | Wholesale & retail | 2025 |
| David a. Clarke (Electrical) Limited | Construction | 2007 |
| David Belmont Ltd | Health & social care | 2016 |
| David Bray (Matlock) Limited | Wholesale & retail | 2014 |
| David Cullen Homes Limited | Construction | 1994 |
| David Fairley Gardens Limited | Administrative & support | 2015 |
| David Freer Events Limited | Administrative & support | 2015 |
| David Harris Accountants Limited | Professional & scientific | 2014 |
| David J. Ltd. | Households | 2017 |
| David J. Martin Painting & Decorating Limited | Construction | 2007 |
| David JAY Properties Ltd | Real estate | 2024 |
| David Johnson (Lutterworth) Limited | Wholesale & retail | 1979 |
| David N Parker Ltd | Real estate | 2018 |
| David Praise UK Ltd | Wholesale & retail | 2026 |
| David Safo Ltd | Wholesale & retail | 2025 |
| David Thorley Ltd | Professional & scientific | 2008 |
| David Trans Ltd | Transport & logistics | 2012 |
| David Transport Services Ltd | Transport & logistics | 2018 |
| David Wells Carpet & Flooring Ltd | Wholesale & retail | 2020 |
| David Wills Consulting Ltd | Professional & scientific | 2023 |
| David Window & Door Fittings Ltd | Construction | 2025 |
| David Winterton Leisure Wear Limited | Manufacturing | 1983 |
| David's Bike Repairs Ltd | Manufacturing | 2023 |
| David's Elite Services Ltd | Manufacturing | 2024 |
| Davidson Aviation Limited | Transport & logistics | 2022 |
| Davidson Design Limited | Manufacturing | 2003 |
| Davidson Moss Ltd | Wholesale & retail | 2025 |
| Davidwgregory Ltd | Information & communication | 2025 |
| Davies Risk Consultants Limited | Professional & scientific | 2013 |
| Davies Wright Limited | Construction | 2011 |
| Davinat Solutions and Consulting Ltd | Wholesale & retail | 2022 |
| Davlyn House Care Limited | Health & social care | 2014 |
| Davlyn House Property Limited | Real estate | 2014 |
| Davymarkham Limited | Manufacturing | 2006 |
| DAW Consulting Ltd | Administrative & support | 2025 |
| Daw-Pol Logistics Ltd | Transport & logistics | 2025 |
| Dawat 4 U Ltd | Hospitality | 2019 |
| Dawes & Sutton (Business Services) Limited | Real estate | 1985 |
| Dawid Medical Service Ltd | Transport & logistics | 2019 |
| Dawn Healthcare Solutions Limited | Health & social care | 2022 |
| Dawood's Transport & Logistics Limited | Transport & logistics | 2018 |
| Dawson Jones Recruitment Ltd | Administrative & support | 2025 |
| Dawson Property Management Ltd | Real estate | 2026 |
| Dawson-Short Limited | Households | 2025 |
| Daxe Fashion Ltd | Manufacturing | 2020 |
| Day Care Nest Limited | Health & social care | 2024 |
| Day Getaways Ltd | Administrative & support | 2025 |
| Daya & Associates Limited | Professional & scientific | 2003 |
| Daya Estates Limited | Real estate | 2020 |
| Dayaa Clothing Limited | Wholesale & retail | 2024 |
| Dayadent Limited | Health & social care | 2008 |
| Daye Services Ltd | Administrative & support | 2025 |
| Daylight Experts Ltd | Professional & scientific | 2020 |
| Daymans DIY Limited | Wholesale & retail | 2018 |
| Daymm Limited | Information & communication | 2013 |
| Daystar Care Services Ltd | Health & social care | 2021 |
| Daytona Cars Limited | Wholesale & retail | 2013 |
| Dazom UK Ltd | Wholesale & retail | 2026 |
| Dazzling Duchess Wigs Ltd | Wholesale & retail | 2023 |
| DB Air Conditioning Services Ltd | Construction | 2026 |
| DB Barber Shop Group Limited | Professional & scientific | 2015 |
| DB Business Machine Ltd | Wholesale & retail | 2024 |
| DB Elite Motors Ltd | Wholesale & retail | 2026 |
| DB Floor Screeding Limited | Construction | 2020 |
| DB Grab Truck Hire Ltd | Water & waste | 2019 |
| DB Ironworks Ltd | Manufacturing | 2017 |
| DB Management Consulting Limited | Professional & scientific | 2018 |
| DB Mech-Eng Consultancy Limited | Professional & scientific | 2016 |
| DB Printing Ltd | Manufacturing | 2025 |
| DB Properties (Leicester) Limited | Real estate | 2010 |
| DB Restaurants Leics Ltd | Extraterritorial | 2024 |
| DBC: the Second Ascent Ltd | Other services | 2025 |
| DBG Prop Limited | Real estate | 2026 |
| DBJ Investments Ltd | Real estate | 2012 |
| DBL BUS & Coach Ltd | Wholesale & retail | 2024 |
| DBM Design Limited | Manufacturing | 2003 |
| DBM Transport Ltd | Transport & logistics | 2023 |
| DBR Developments Ltd | Real estate | 2020 |
| DBR Holdings Limited | Health & social care | 2018 |
| Dbvfx Limited | Information & communication | 2018 |
| DBX Design Limited | Professional & scientific | 2014 |
| DC Air Services Ltd | Construction | 2025 |
| DC Dent Limited | Health & social care | 2021 |
| DC Electrical Services (Leics) Limited | Construction | 2011 |
| DC Fastfix Ltd | Construction | 2025 |
| DC Fencing Limited | Construction | 2014 |
| DC Leicester Ltd | Hospitality | 2025 |
| DC Netpro Ltd | Information & communication | 2025 |
| DC Plastering Works Limited | Construction | 2021 |
| DC Wholefoods Limited | Manufacturing | 2014 |