| Duddel Hutson & Associates LP | | 2011 |
| Dunatos Flat Management Company Limited | Households | 1977 |
| Dunmow Holdings Limited | Financial services | 2021 |
| Dunmow Skips Ltd | Water & waste | 2001 |
| Durrant Lettings Ltd | Real estate | 2021 |
| Dutzu Ltd | Transport & logistics | 2020 |
| DW Precision Limited | Manufacturing | 2010 |
| DW Refurbishments Ltd | Construction | 2011 |
| DW Saunders Properties Limited | Real estate | 2025 |
| DWD Hand Bookbinders Limited | Manufacturing | 2003 |
| DXP Print Solutions Ltd | Manufacturing | 2001 |
| Dynamic Site Solutions Ltd | Construction | 2018 |
| E & M TAI Holdings Limited | Financial services | 2024 |
| E and G (UK) Services Ltd | Transport & logistics | 2005 |
| E C U Ltd | Transport & logistics | 2025 |
| E J White & SON (UK) Limited | Construction | 2006 |
| E&K Care Limited | Public administration | 2017 |
| E-Facilities Ltd | Construction | 2021 |
| E.L.S. Carpentry Ltd | Manufacturing | 2025 |
| E.O.G. Bond Services Ltd | Administrative & support | 2011 |
| E6 Sports Ltd | Arts & recreation | 2019 |
| EA Family Ventures Limited | Real estate | 2017 |
| Earl Gardening Co Ltd | Other services | 2011 |
| Earwicker Design Consultants Limited | Information & communication | 1999 |
| Easi-Flow Engineering Company Limited | Manufacturing | 2000 |
| East Coast Appliances Ltd | Other services | 2022 |
| East London Landscaping Ltd | Administrative & support | 2025 |
| Eastern Baptist Association | Other services | 2001 |
| Eastern Fire Protection Limited | Professional & scientific | 2025 |
| Eastern General Recovery Service Limited | Other services | 2022 |
| Eastern Waste Disposal Limited | Water & waste | 1997 |
| Eastgate Finishings Ltd | Construction | 2019 |
| Eastman Accounting Services Limited | Professional & scientific | 2010 |
| Eastwoodbury Tree Services Ltd | Transport & logistics | 2021 |
| Easy Accountancy Essex Ltd | Professional & scientific | 2020 |
| Easyprint T Shirts Limited | Other services | 2007 |
| ECB Security Limited | Administrative & support | 2015 |
| Eclipse Security (UK) Ltd | Professional & scientific | 2009 |
| ECN Contractors Ltd | Construction | 2023 |
| Ecoagri Limited | Extraterritorial | 2024 |
| Ecoclear Group Ltd | Administrative & support | 2025 |
| Ecoscape Water Gardens Ltd | Administrative & support | 2025 |
| Ecoserve Response Ltd | Other services | 2020 |
| ECT Environmental Ltd | Construction | 2012 |
| Edbert Consulting Ltd | Professional & scientific | 2021 |
| Eddercliffe Carpentry Limited | Construction | 2002 |
| Eden Networks Ltd | Information & communication | 2010 |
| Edge Lettings & Management Ltd | Real estate | 2017 |
| Edge PI Limited | Real estate | 2021 |
| Edge Refurb & Maintenance Ltd | Real estate | 2017 |
| Edge Training & Resource Ltd | Information & communication | 2017 |
| Edge Vision Trading Co. Ltd | Hospitality | 2024 |
| Edgebits Limited | Information & communication | 2009 |
| Edit Bathrooms Ltd | Construction | 2024 |
| Edmond Dantes Limited | Wholesale & retail | 2010 |
| EDUC8IT Limited | Information & communication | 2024 |
| Education Alice Limited | Education | 2024 |
| Edwards Mccoy Limited | Professional & scientific | 2014 |
| Edwards Ninet Limited | Administrative & support | 2022 |
| Eeco Limited | Agriculture & fishing | 2005 |
| Effe Haulage Ltd | Transport & logistics | 2024 |
| Effective Bird Control (UK) Ltd | Professional & scientific | 2016 |
| Effektiv Group Limited | Manufacturing | 2020 |
| EGS Civil and Drainage Supplies Ltd | Extraterritorial | 2025 |
| EGS Essex Holdings Limited | Administrative & support | 2014 |
| EGS Landscape Supplies Ltd | Extraterritorial | 2025 |
| EGS Utilities Ltd | Extraterritorial | 2025 |
| EHP Consultancy Ltd | Administrative & support | 2019 |
| EHT Investments Ltd | Other services | 2022 |
| EHT Technologies Ltd | Construction | 2010 |
| EHU Theatre Arts Ltd | Arts & recreation | 2018 |
| EJ Shop Ltd | Wholesale & retail | 2022 |
| Elchemy Ltd | Administrative & support | 2015 |
| Electric Teeth Ltd | Information & communication | 2019 |
| Electrical Inspection Services Limited | Professional & scientific | 2017 |
| Electrical Test Solutions Ltd | Construction | 2024 |
| Electrical Testing Essex Ltd | Construction | 2020 |
| Electromatic Tele-Link Limited | Wholesale & retail | 1999 |
| Elegantia Artis Ltd | Wholesale & retail | 2024 |
| Elevation Accountants Limited | Professional & scientific | 2025 |
| Eley Catering Ltd | Hospitality | 2018 |
| Elite Maintenance Services Ltd | Construction | 2023 |
| Elixir Natural Water Limited | Manufacturing | 2025 |
| Elizabeth Hart Creative Ltd | Information & communication | 2018 |
| Ellis Surfacing and Civils Ltd | Construction | 2025 |
| Ellison Electronics Limited | Wholesale & retail | 1996 |
| Elmcrest Limited | Hospitality | 2022 |
| Elmo Digital Security Limited | Other services | 2014 |
| Elmstar Developments Limited | Real estate | 2009 |
| Elmwood Solutions Limited | Professional & scientific | 2009 |
| Elric Consulting Ltd | Professional & scientific | 2022 |
| Emabela Limited | Construction | 2023 |
| Embrace Socials Limited | Real estate | 2024 |
| Embryology Solutions Limited | Professional & scientific | 2021 |
| Emdt Limited | Real estate | 2015 |
| Emerald Transport and Consultancy Ltd | Transport & logistics | 2026 |
| Emerson Property Maintenance Limited | Construction | 2010 |
| EMJ Entertainments Ltd | Arts & recreation | 2020 |
| Empire Salon Dunmow Hairdressing Ltd | Other services | 2017 |
| Empire Salon Hairdressing Ltd | Other services | 2017 |