| Duaz Ltd | Health & social care | 2009 |
| Duncan Medical Ltd | Administrative & support | 2022 |
| Dunich Property Investment Co. Limited | Financial services | 1961 |
| Durkin's Scaffolding Ltd | Construction | 2013 |
| Durley Electrical Limited | Construction | 2007 |
| Dutch Snacks UK Limited | Hospitality | 2015 |
| Dvhe Consulting Ltd | Professional & scientific | 2023 |
| Dvsn Consulting Ltd | Information & communication | 2025 |
| DW Interiors Ltd | Construction | 2025 |
| DWP Soft Ltd | Information & communication | 2022 |
| Dynamic Healthstaff ( U.K) PVT. Ltd. | Administrative & support | 2019 |
| Dynamic Staffing Services Private Limited | Administrative & support | 2022 |
| Dynamic-Grc Limited | Information & communication | 2016 |
| DZ Apparel Limited | Wholesale & retail | 2025 |
| Dzinmaya UK Ltd | Wholesale & retail | 2023 |
| E & a Coachworks (Wembley) Limited | Wholesale & retail | 2003 |
| E C Estate Management Services Limited | Households | 2022 |
| E G Services (Heating) Limited | Construction | 2010 |
| E J L S Investments Ltd | Real estate | 2020 |
| E S Residential Ltd | Real estate | 2018 |
| E&J Group Holdings Ltd | Construction | 2012 |
| E&J Property Limited | Real estate | 2017 |
| E&S Wholesale Ltd | Hospitality | 2024 |
| E&V Holdings Ltd | Real estate | 2021 |
| E-Yuga Technologies Limited | Information & communication | 2019 |
| E. Ivor Hughes Educational Foundation | Education | 1986 |
| E9R Consulting Ltd | Information & communication | 2026 |
| EA Dent Products & Services Ltd | Health & social care | 2023 |
| EA Dental Recruitment Ltd | Administrative & support | 2023 |
| Eadn Limited | Hospitality | 2021 |
| Eagle Compliance and Risk Consultancy Limited | Professional & scientific | 2025 |
| Eagle RAY CX Ltd | Information & communication | 2025 |
| Eaglecapital Limited | Real estate | 2016 |
| Eames Property Ltd | Real estate | 2023 |
| EAR WAX Extraction Ltd | Health & social care | 2024 |
| Earth Consulting Limited | Information & communication | 2019 |
| EAS Consultancy Ltd | Administrative & support | 2024 |
| East Lane Montessori Ltd | Real estate | 2021 |
| East Shopping Centre Limited | Real estate | 2014 |
| East Shopping Centre Service Charge Limited | Households | 2018 |
| Eastcote Heritage Palace Limited | Real estate | 2025 |
| Eastcote Studios Limited | Information & communication | 1988 |
| Eastmidian Limited | Real estate | 2022 |
| Easy Financial (London) Limited | Financial services | 1991 |
| Easy Landon Ltd | Professional & scientific | 2025 |
| Easy Peasy Ltd | Wholesale & retail | 2026 |
| Easy Peezy Ltd | Wholesale & retail | 2026 |
| Easy Study Limited | Education | 2008 |
| Easyai Tech Limited | Information & communication | 2024 |
| Easydealsuk Ltd | Wholesale & retail | 2025 |
| EAT Fresh Langley Limited | Hospitality | 2019 |
| EAT Train Gain Wellness Ltd | Arts & recreation | 2025 |
| Eaton Technologies Limited | Information & communication | 2024 |
| EBJ Homes Ltd | Construction | 2026 |
| Ebtisam & Co Ltd | Education | 2013 |
| ECB Medical Limited | Health & social care | 2026 |
| ECI Enterprise Ltd | Construction | 2023 |
| Eco Buddy Limited | Wholesale & retail | 2018 |
| Eco Car Care Winchester Limited | Other services | 2011 |
| Eco Homez Limited | Construction | 2017 |
| Eco Living Group Limited | Real estate | 2019 |
| Ecocool Ltd | Construction | 2023 |
| Econometric Services Limited | Information & communication | 2006 |
| Ecotec Mobile Solutions UK Limited | Other services | 2024 |
| Eczema Clinic Ltd | Health & social care | 2024 |
| Eddington Medicines Limited | Wholesale & retail | 2024 |
| Edgecore Ltd | Information & communication | 2025 |
| Edgier Limited | Professional & scientific | 2012 |
| Edgware Motors Limited | Wholesale & retail | 2023 |
| EDK Consulting Ltd | Administrative & support | 2018 |
| Edubox Ltd | Information & communication | 2025 |
| Educopod Ltd | Construction | 2020 |
| Eduxon Consulting Ltd | Education | 2026 |
| EDW. Milton Instruments Limited | Wholesale & retail | 1977 |
| Edward J Reed Properties Limited | Real estate | 2019 |
| Eelanilavan Investments Ltd | Real estate | 2017 |
| EF Extra Limited | Hospitality | 2023 |
| Efficient Mortgages Limited | Financial services | 2020 |
| EFS Facades Ltd | Construction | 2026 |
| Efsh Limited | Hospitality | 2025 |
| EFT Associates Limited | Information & communication | 1990 |
| Egghead Partners Limited | Other services | 2020 |
| Eggholic (Hatch END) Ltd | Hospitality | 2024 |
| Egham Dental Care Limited | Health & social care | 2013 |
| EHC Consulting Limited | Professional & scientific | 2014 |
| Ehhc Limited | Professional & scientific | 2021 |
| EID Limited | Wholesale & retail | 1998 |
| Eight 10 Consulting Ltd | Professional & scientific | 2026 |
| Eiman Investments Ltd | Financial services | 2022 |
| Eirley Homes (Properties) Ltd | Real estate | 2020 |
| EJV Company Limited | Health & social care | 2024 |
| Ekho Wellbeing Limited | Health & social care | 2020 |
| EL (UK) Limited | Real estate | 2008 |
| Elagili Limited | Wholesale & retail | 2025 |
| Elbe Aviation Ltd | Administrative & support | 2010 |
| Elder Brother Sons Limited | Households | 2020 |
| ELEC4YOU Limited | Construction | 2014 |
| Elecpat Ltd | Construction | 2018 |
| Electric Orange Productions Ltd | Information & communication | 2012 |
| Electrician Club Limited | Construction | 2018 |