| Dutifuldata Limited | Information & communication | 2025 |
| Dutton and Bailey Limited | Construction | 2001 |
| Dutyfast Limited | Other services | 2003 |
| DUX Management Services Limited | Professional & scientific | 2024 |
| DV Dispatch Ltd | Transport & logistics | 2018 |
| DVA Technical Associates Limited | Information & communication | 2022 |
| DVR Family Ltd | Real estate | 2026 |
| DVT Global (UK) Ltd | Financial services | 2017 |
| DW Engineering and Safety Limited | Administrative & support | 2015 |
| DW Squad Limited | Information & communication | 2018 |
| Dwarakamaai Traders Limited | Wholesale & retail | 2023 |
| DWE IT Ltd | Information & communication | 2019 |
| Dwerry Investment Company Limited | Financial services | 2020 |
| DWG Media Ltd | Arts & recreation | 2017 |
| DWH Commercial Property Limited | Real estate | 2022 |
| DWH Family Investco Limited | Financial services | 2022 |
| DWH FIC Limited | Financial services | 2019 |
| DWH Finance Limited | Financial services | 2022 |
| DWH Novo Holdco Limited | Financial services | 2024 |
| DWH Property Limited | Real estate | 2020 |
| DWH Residential Property Limited | Real estate | 2023 |
| DWS Pharma Limited | Wholesale & retail | 2022 |
| DXD Technology Limited | Administrative & support | 2025 |
| DXI Civil Engineering Ltd | Construction | 2014 |
| DXI Regen Limited | Professional & scientific | 2025 |
| DYA Dent Ltd | Health & social care | 2022 |
| Dyaus Limited | Professional & scientific | 2025 |
| Dylan Patrick Limited | Real estate | 2026 |
| Dynamic Inner YOU Ltd | Health & social care | 2021 |
| Dynamic Social Work Limited | Health & social care | 2025 |
| Dyson Building & Development Ltd | Construction | 2015 |
| DZS PVT Limited | Health & social care | 2025 |
| E & W Overseas Trading Ltd | Wholesale & retail | 2025 |
| E M Accountancy Limited | Professional & scientific | 2017 |
| E Mesrie & Sons Limited | Wholesale & retail | 1951 |
| E W Design & Build Limited | Construction | 2023 |
| E&R Associates Limited | Education | 2025 |
| E-Cloth Limited | Wholesale & retail | 1995 |
| E-Dba Limited | Information & communication | 2013 |
| E-Metrixx Ltd | Information & communication | 1998 |
| E-Path Digital Ltd | Information & communication | 2026 |
| E6 Soft Limited | Information & communication | 2014 |
| EA Brands Limited | Financial services | 2020 |
| EAD Consulting Services Limited | Administrative & support | 2024 |
| Eadfrith (Nominees) Limited | Financial services | 2018 |
| Eadfrith Holdings Limited | Financial services | 2019 |
| Eagle International Logistics Ltd | Transport & logistics | 2020 |
| Eagle Lodge (Management Company) Limited | Households | 1983 |
| Eaglesphere Digital Ltd | Information & communication | 2024 |
| Eama Health Limited | Wholesale & retail | 2024 |
| Early Years Limited | Professional & scientific | 2002 |
| Early Years Vouchers Ltd | Professional & scientific | 2012 |
| Earthmover Tyre Products Limited | Wholesale & retail | 2019 |
| Easeh Ltd | Wholesale & retail | 2023 |
| East Anglian Fine Weld Limited | Manufacturing | 1996 |
| Easton Financial LLP | | 2020 |
| Eastpoint (Leeds) Ltd | Households | 2014 |
| Easy Life GM Limited | Other services | 2002 |
| Easy Medical Device Ltd | Professional & scientific | 2020 |
| Easy Speakers Ltd | Education | 2024 |
| Easy Tech Ltd | Wholesale & retail | 2020 |
| EASYCLEANING4U Ltd | Administrative & support | 2012 |
| Easyflow Water Limited | Manufacturing | 1996 |
| Easylinks Trading Limited | Construction | 1996 |
| EAT School Rent Limited | Wholesale & retail | 2025 |
| EAW Law Limited | Professional & scientific | 2024 |
| Eazycare Ltd | Health & social care | 2025 |
| Eazzi Solutions Ltd | Information & communication | 2025 |
| Ebii Group Limited | Professional & scientific | 2018 |
| Ebioscience Limited | Administrative & support | 2008 |
| EBS Consultores LLP | | 2020 |
| EC One Nominee Limited | Financial services | 2023 |
| EC Outsourcing Ltd | Administrative & support | 2019 |
| EC Two Nominee Limited | Financial services | 2023 |
| Ecanamtour Ltd | Administrative & support | 2026 |
| Ecasco Limited | Professional & scientific | 2016 |
| Eccleston Square Capital Limited | Financial services | 2024 |
| Ecco International Public Relations Limited | Professional & scientific | 2000 |
| ECH Management Services Limited | Administrative & support | 2015 |
| Echosec Systems UK Ltd | Information & communication | 2015 |
| Echosens UK Limited | Professional & scientific | 2019 |
| Eclipse Residents Management Company Limited | Households | 2017 |
| ECN Engineering Service Ltd | Professional & scientific | 2023 |
| Eco Credits Limited | Professional & scientific | 2020 |
| Eco Energy Services Limited | Professional & scientific | 2019 |
| Eco Living Pods Ltd | Construction | 2019 |
| Ecofil Holdings Limited | Financial services | 2025 |
| Ecofil Limited | Manufacturing | 2005 |
| Ecofillers Limited | Professional & scientific | 2003 |
| Ecosphere SP81 Ltd | Construction | 2024 |
| Ecosse Estates Limited | Administrative & support | 2014 |
| Ecp&P Limited | Administrative & support | 2015 |
| Ecrins Aero Ltd | Professional & scientific | 2019 |
| Ecutek Holdings Limited | Financial services | 2015 |
| Ecutek Technologies Limited | Professional & scientific | 2015 |
| Edale Management Company Limited | Households | 2006 |
| Eddie Rockers Limited | Hospitality | 1995 |
| Eddie's Holidays UK Ltd | Administrative & support | 2019 |
| Edelsteen Limited | Real estate | 2025 |
| Edelweiss Consulting Limited | Professional & scientific | 2021 |