| Digital Traders Limited | Wholesale & retail | 2016 |
| Digital Trio Ltd | Information & communication | 2012 |
| Digital Verification X Ltd | Information & communication | 2025 |
| Digital Vision Consultancy Ltd | Professional & scientific | 2020 |
| Digital Wealth Group Ltd | Wholesale & retail | 2024 |
| Digital Wonders Limited | Education | 2024 |
| Digital Wordcrafts Limited | Manufacturing | 2001 |
| DIGITAL3SOLUTIONS Ltd | Professional & scientific | 2024 |
| Digitalallin Ltd | Wholesale & retail | 2021 |
| Digitalpioneer Group Limited | Information & communication | 2025 |
| Digitals Phoenix Ltd | Other services | 2022 |
| DIGITECH398 Limited | Information & communication | 2025 |
| Digiteck Ltd | Administrative & support | 2006 |
| Digiwork Technologies Ltd | Real estate | 2020 |
| Diglas Limited | Real estate | 2020 |
| Dignity and Value Care Limited | Professional & scientific | 2013 |
| Dignity Health Care Services Ltd | Public administration | 2021 |
| DIGNITYHEALTHCARE24/7 Limited | Health & social care | 2023 |
| Digonto Limited | Hospitality | 1999 |
| Digs.Tv Limited | Real estate | 2003 |
| Dihm Limited | Real estate | 2022 |
| Dika Homes Ltd | Real estate | 2025 |
| Dilan Logistics Ltd | Transport & logistics | 2025 |
| Dilan Pizza Ltd | Hospitality | 2025 |
| Diligent Doctors Ltd | Health & social care | 2024 |
| Dilip Services Ltd | Information & communication | 2024 |
| Dillon (Leicester) Ltd | Real estate | 2019 |
| Dillons Optical Labs Ltd | Wholesale & retail | 2008 |
| Dilshad Cafe Ltd | Hospitality | 2025 |
| Dilshad Foods Limited | Wholesale & retail | 2020 |
| Dilshadz Dreamz Holiday Limited | Administrative & support | 2026 |
| Dimamaghrib Ltd | Wholesale & retail | 2025 |
| Dime Enterprises Ltd | Transport & logistics | 2016 |
| Dimension Abbas Builders Ltd | Construction | 2019 |
| Dimension Development Limited | Manufacturing | 1990 |
| Dimensional Control Systems Limited | Information & communication | 2002 |
| Dimensions Kitchens & Bedrooms Limited | Construction | 2011 |
| DIN & SAV Limited | Financial services | 2020 |
| Dina Essentials Limited | Wholesale & retail | 2023 |
| Dina Goda Ltd | Health & social care | 2024 |
| Dina International Limited | Other services | 2017 |
| Dinah-Risk Ltd | Administrative & support | 2022 |
| Dinallo Limited | Wholesale & retail | 2002 |
| Dinasty Transport Limited | Transport & logistics | 2018 |
| Dincsoy Limited | Wholesale & retail | 2025 |
| Dineros Trans Ltd | Transport & logistics | 2024 |
| Dingdong Immigration Services Ltd | Professional & scientific | 2022 |
| Dingley Hall Gardens Limited | Households | 1977 |
| Dingley Ltd | Administrative & support | 2019 |
| Dining Ltd | Manufacturing | 2019 |
| Dining Room Birstall Ltd | Hospitality | 2022 |
| Dining Room Restaurant Ltd | Hospitality | 2025 |
| Diodoric Consulting Limited | Professional & scientific | 2024 |
| Dioxice Limited | Extraterritorial | 2023 |
| DIP Systems (UK) Limited | Construction | 1994 |
| DIP Your Vehicle Limited | Wholesale & retail | 2018 |
| Dipali Cuisine Limited | Hospitality | 2019 |
| Dipen Patel Limited | Professional & scientific | 2012 |
| Dipesh H Patalia Limited | Information & communication | 2014 |
| Dipped Kitchen Groby Ltd | Hospitality | 2025 |
| Dippers Food Limited | Hospitality | 2024 |
| Dipun Gandhi Designers Limited | Professional & scientific | 2008 |
| Dirameena Trading Ltd | Wholesale & retail | 2021 |
| Direct 2 Buy Limited | Extraterritorial | 2013 |
| Direct 365 Ltd | Wholesale & retail | 2022 |
| Direct Access Platforms Limited | Manufacturing | 2008 |
| Direct Building Materials Ltd | Wholesale & retail | 2025 |
| Direct Car Spares Limited | Wholesale & retail | 2002 |
| Direct Care Works Ltd | Health & social care | 2011 |
| Direct Carpet Supplies (Leicester) Limited | Wholesale & retail | 1995 |
| Direct Contract Furniture Limited | Transport & logistics | 1990 |
| Direct Electrical (Leics) Ltd | Construction | 2012 |
| Direct Electrical PV Limited | Construction | 2020 |
| Direct Energy Saving Limited | Professional & scientific | 2022 |
| Direct Experiences Limited | Arts & recreation | 2005 |
| Direct Fencing (Leicester) Ltd | Manufacturing | 2015 |
| Direct Lettings & Management Ltd | Real estate | 2011 |
| Direct Mart Limited | Wholesale & retail | 2020 |
| Direct Motor Centre Ltd | Wholesale & retail | 2018 |
| Direct Plastics Limited | Wholesale & retail | 1993 |
| Direct Properties (Leics) Limited | Professional & scientific | 2023 |
| Direct Residential Properties Limited | Real estate | 2025 |
| Direct Shift Removals Ltd | Transport & logistics | 2026 |
| Direct Textile Designs Limited | Administrative & support | 2003 |
| Direct Trade BAG Company Limited | Manufacturing | 2008 |
| Direct Trade Cars Limited | Wholesale & retail | 2012 |
| Direct Transfer Private Hire Ltd | Transport & logistics | 2024 |
| Direct Tuition Limited | Education | 2008 |
| Directflex Ltd | Wholesale & retail | 2023 |
| Directional Scholars Programs Ltd | Education | 2024 |
| Directmeds Limited | Wholesale & retail | 2023 |
| Directory Futures Ltd | Administrative & support | 2020 |
| Dirty Tactics Limited | Professional & scientific | 2025 |
| Discino Investments Limited | Real estate | 2024 |
| Disciple Holdings Limited | Financial services | 2025 |
| Disciples Fellowship Ministries UK (DFM) | Other services | 2010 |
| Discordia Ltd | Professional & scientific | 2023 |
| Discount Cars Limited | Wholesale & retail | 2017 |
| Discount Dance Supplies Ltd | Wholesale & retail | 2024 |
| Discount Fabrics Limited | Wholesale & retail | 2013 |