| Double L Timber Products Ltd | Manufacturing | 2012 |
| Doughty Brickwork Ltd | Other services | 2015 |
| Downfast Enabling Limited | Construction | 2025 |
| Downhall Under Fives C.I.C. | Education | 2009 |
| Downs Landscapes & Turf Supplies Limited | Wholesale & retail | 2006 |
| DR Gardens & Trees Ltd | Administrative & support | 2026 |
| DR. CJW Ltd. | Other services | 2016 |
| DRC Futures Ltd | Administrative & support | 2008 |
| Driivey Driving School Limited | Education | 2025 |
| Drive Train School of Motoring Ltd | Education | 2025 |
| DRS Plastering & Rendering Limited | Construction | 2023 |
| DS Contractors Ltd | Construction | 2025 |
| DS Project Resourcing Limited | Professional & scientific | 2025 |
| DSW Professionals Ltd | Professional & scientific | 2026 |
| DT Risk Services Ltd | Professional & scientific | 2023 |
| DT Storage Limited | Transport & logistics | 2019 |
| Dtat Properties Ltd | Real estate | 2025 |
| Duckman Industries Ltd | Manufacturing | 2009 |
| DVS Efficiency Limited | Wholesale & retail | 2016 |
| DVS Partners Limited | Wholesale & retail | 2011 |
| Dynamic Dent Repairs Limited | Manufacturing | 2012 |
| DZ Cosmic Pizza Ltd | Hospitality | 2026 |
| E&A Carpets Ltd | Construction | 2014 |
| E. Roberts & Co Limited | Wholesale & retail | 2018 |
| E1 Partners Ltd | Administrative & support | 2024 |
| Each Property Ltd | Real estate | 2025 |
| Eamonn Charles Estates Limited | Real estate | 2019 |
| Eamonn Charles Property Limited | Real estate | 2019 |
| Earth YK Limited | Hospitality | 2023 |
| East Electrical Services Limited | Construction | 1993 |
| Eastwood Security & Estate Services Limited | Administrative & support | 2018 |
| Eastwood SH Ltd | Other services | 2018 |
| Easyplan Properties Limited | Construction | 2008 |
| Echelon Associates Ltd | Professional & scientific | 2024 |
| Ecloud Management Limited | Information & communication | 2015 |
| Eco Cooling & Heating Ltd | Construction | 2025 |
| Eco Earth Cleaning Ltd | Administrative & support | 2023 |
| Eco Tree Solutions Limited | Administrative & support | 2019 |
| Ecoheat & GAS Solutions Ltd | Construction | 2025 |
| Economic Heating Ltd | Construction | 2008 |
| ECW Consultancy Limited | Professional & scientific | 2024 |
| Eden Abodes Ltd | Real estate | 2025 |
| Eden Gifting Services Ltd | Wholesale & retail | 2022 |
| Eden Ground Limited | Real estate | 2019 |
| Edudale Ltd | Education | 2021 |
| Edward Byford Properties Limited | Real estate | 2002 |
| Efccontractors Limited | Administrative & support | 2016 |
| EGA Group Ltd | Real estate | 2024 |
| EGH Block Management Limited | Households | 2024 |
| Eigenic Ltd | Professional & scientific | 2018 |
| EJS Auto Factors Ltd | Wholesale & retail | 2019 |
| EJS Taxi Rentals Ltd | Transport & logistics | 2014 |
| EL TEL Consultancy Limited | Professional & scientific | 2024 |
| Elan Papers Limited | Administrative & support | 2004 |
| Elarecs 1 Limited | Real estate | 2026 |
| Elarecs 2 Limited | Real estate | 2026 |
| Elarecs 3 Limited | Real estate | 2026 |
| Elarecs 4 Limited | Real estate | 2026 |
| Elarecs 5 Limited | Real estate | 2026 |
| Elarecs 6 Limited | Real estate | 2026 |
| Elarecs Holdings Ltd | Financial services | 2026 |
| Electro-Medical Diagnostics Ltd | Professional & scientific | 2016 |
| Elegance Rental Properties Limited | Real estate | 2013 |
| Elevate Online Marketing Ltd | Professional & scientific | 2018 |
| Elevate Sports Marketing Ltd | Professional & scientific | 2025 |
| Elif Narin Ltd | Hospitality | 2017 |
| Elite Hairworks Limited | Other services | 2003 |
| Elite Mortgage Finance Limited | Financial services | 2016 |
| Elite Plumbing & Ventilation Ltd | Construction | 2015 |
| Elite Processing Solutions Ltd | Other services | 2024 |
| Elite Property Management Essex Ltd | Real estate | 2024 |
| Elite Tree Services Limited | Agriculture & fishing | 2007 |
| Elite Wave Audio Ltd | Information & communication | 2025 |
| Elliott Breaks Ltd | Information & communication | 2026 |
| Elliott Smith Partnership Ltd | Real estate | 2014 |
| Elliott-Potter International Consultancy (Epic) Ltd | Professional & scientific | 2019 |
| Elvidge Property Investment Ltd | Real estate | 2021 |
| EM Contracts Ltd | Construction | 2022 |
| EMA Tech Limited | Information & communication | 2013 |
| EMC Renovations Limited | Construction | 2022 |
| Emerson Flooring Company Limited | Construction | 2010 |
| Empire Dynamics Ltd | Wholesale & retail | 2025 |
| Emsworth Construction Consultants Limited | Professional & scientific | 2020 |
| END of Ltd | Professional & scientific | 2017 |
| Energex Technical Services Ltd | Manufacturing | 2019 |
| Energywise Commercial Limited | Energy | 2011 |
| Enfield Cloisters (Management Company) Limited | Households | 1978 |
| Enfield Cloisters Limited | Households | 2021 |
| Engi Pro (Engineering Professional Services) Limited | Professional & scientific | 2019 |
| Enginecheck Limited | Manufacturing | 2013 |
| Entitylink Limited | Information & communication | 2014 |
| EP Technologies, Inc. | | 1993 |
| EPQ LAB Ltd | Education | 2025 |
| Epsila Ltd | Professional & scientific | 2026 |
| Equus Developments Ltd | Construction | 2026 |
| Escala Training Academy Ltd | Professional & scientific | 2026 |
| Essential Beauty Essex Ltd | Other services | 2018 |
| Essential Technologies UK Limited | Administrative & support | 2004 |
| Essential Training (Essex) Limited | Arts & recreation | 2020 |
| Essex & London Maintenance Services Ltd | Administrative & support | 2025 |