| Daniel James Construction (Ashby) Ltd | Construction | 2026 |
| Danovo Limited | Professional & scientific | 2013 |
| DAP Associates Limited | Professional & scientific | 2023 |
| Darcey & Bate Accountants Limited | Professional & scientific | 2013 |
| Darren Cresswell Photography Limited | Manufacturing | 2005 |
| Datt Consultancy Ltd | Information & communication | 2022 |
| Dave Gilbert Joinery Limited | Construction | 2008 |
| David Moss Commercial Management Limited | Professional & scientific | 2016 |
| David Pownall Properties Limited | Real estate | 2013 |
| Davies Geotest Limited | Professional & scientific | 2025 |
| Davies Jackson Ltd | Construction | 2025 |
| Davison Yarrow Limited | Professional & scientific | 2000 |
| Daws & Birch Window Cleaning Ltd | Administrative & support | 2024 |
| Dawson Prop Ltd | Real estate | 2020 |
| Daytona 63 Ltd | Professional & scientific | 2016 |
| DB Modha Limited | Wholesale & retail | 2012 |
| DBA Holdings Limited | Financial services | 2025 |
| DCH Properties (Midlands) Ltd | Real estate | 2016 |
| DE Ligno Designs Ltd | Manufacturing | 2021 |
| Deansgate Developments Limited | Real estate | 2025 |
| DEF Presse Ltd | Administrative & support | 2017 |
| Delicious Driveways & Landscaping Ltd | Construction | 2024 |
| DEM Holdings Ltd | Financial services | 2016 |
| Demand Driven Strategies Limited | Professional & scientific | 2014 |
| Dens Park Properties Limited | Real estate | 2024 |
| Dental & Aesthetic Solutions Limited | Health & social care | 2020 |
| Dental Smiles Chelmsford Ltd | Health & social care | 2017 |
| Dental Smiles Flagstaff Ltd | Health & social care | 2022 |
| Dental Smiles Takeley Ltd | Health & social care | 2015 |
| Destination Laser & Skin Ltd | Other services | 2023 |
| Dextera UK Limited | Professional & scientific | 2000 |
| DHR Consulting Limited | Information & communication | 2007 |
| Digital Sparkle Limited | Professional & scientific | 2024 |
| Dilaksi Limited | Wholesale & retail | 2025 |
| Dilz Cafe Ltd | Hospitality | 2022 |
| Dinham Services Limited | Agriculture & fishing | 2018 |
| Dixons Pharmaceuticals UK Limited | Wholesale & retail | 2005 |
| DJ Rice Solutions Ltd | Professional & scientific | 2018 |
| DLZ Digital Limited | Professional & scientific | 2019 |
| DNA Insight Limited | Administrative & support | 2017 |
| DNN Consulting Ltd | Professional & scientific | 2017 |
| Doctore on Track Training Services Ltd | Education | 2016 |
| Dojomeke Benefits Consultancy Limited | Professional & scientific | 2013 |
| Domingo Jones Ltd | Arts & recreation | 2011 |
| Dovebury Developments (Nailstone) Limited | Construction | 2015 |
| Dovebury Developments Limited | Extraterritorial | 2015 |
| Downtown Property Developments Limited | Construction | 2005 |
| Driven Edge Ltd | Wholesale & retail | 2014 |
| Drum & Monkey Limited | Construction | 2020 |
| DSG Testing Limited | Administrative & support | 2017 |
| DSI Transport Solutions Ltd | Professional & scientific | 2026 |
| Dsky Tech Ltd | Information & communication | 2023 |
| DTR Customs Ltd | Manufacturing | 2018 |
| DUB Products Ltd | Professional & scientific | 2024 |
| DUBI2 Consulting Limited | Information & communication | 2011 |
| Ducklake Limited | Real estate | 2002 |
| Dudley Care Limited | Administrative & support | 2017 |
| Dunkin Rushton (Hood House) Limited | Extraterritorial | 2023 |
| Duotech Innovations Ltd | Information & communication | 2026 |
| Dwfm Ltd | Manufacturing | 2022 |
| Dynamic Energy Control Ltd | Professional & scientific | 2026 |
| E & I Trading Services Limited | Energy | 2010 |
| E a Haydon Educational Consultancy Limited | Education | 2026 |
| E L Allen Limited | Financial services | 2022 |
| E3M Consulting Limited | Information & communication | 2017 |
| EA Haydon Limited | Households | 2012 |
| Eard Services Ltd | Professional & scientific | 2025 |
| Eardington (IM) Limited | Professional & scientific | 2018 |
| Eastwest Cargo Services Limited | Administrative & support | 2010 |
| Easy IT Support Ltd | Information & communication | 2025 |
| Easy Quote Software Systems Limited | Information & communication | 2005 |
| Eco Chateau Training CIC | Hospitality | 2018 |
| ECO3 Design Ltd | Professional & scientific | 2008 |
| Ecoinsight Ltd | Information & communication | 2022 |
| Ecomanager Limited | Extraterritorial | 2005 |
| Ecomize Ltd | Information & communication | 2019 |
| Ecos (UK) Limited | Administrative & support | 2013 |
| Edge Football AI Ltd | Information & communication | 2025 |
| Edmonds Classic Restorations Limited | Administrative & support | 2017 |
| Effective Management Consulting Limited | Professional & scientific | 2023 |
| EGL (Belgium) Holding Company | | 2008 |
| Eivissa Limited | Other services | 2010 |
| EJM IT Consulting Ltd | Information & communication | 2014 |
| Elan Software Limited | Information & communication | 2026 |
| Elcock Services Ltd | Financial services | 2026 |
| Elegance Architecture & Design Ltd | Professional & scientific | 2016 |
| Element 78 Ltd | Financial services | 2026 |
| Element Fire & Security Limited | Construction | 2025 |
| Element Fire Group Limited | Financial services | 2024 |
| Element Fire Safety Consultancy Ltd | Construction | 2025 |
| Element Interiors & Build Ltd | Construction | 2025 |
| ELEV8 Acquisition Ltd | Information & communication | 2025 |
| Elevare Construction Ltd | Construction | 2024 |
| Elite Tuition Group Four Oaks Limited | Education | 2018 |
| Elite Tuition Group Ltd | Education | 2017 |
| Elton Properties (Lettings) Limited | Real estate | 2013 |
| Elton Properties Maintenance Ltd | Construction | 2017 |
| Elworth Consultancy Limited | Information & communication | 2023 |
| Elysium Consultants Limited | Information & communication | 2011 |
| Emdac Limited | Real estate | 1994 |