| Dorni Limited | Hospitality | 2014 |
| Doug & Bone Ltd. | Wholesale & retail | 2023 |
| Dove Jeffery Homes Holdings Limited | Construction | 2018 |
| DP FX Ltd | Transport & logistics | 2021 |
| DPN Care Ltd | Extraterritorial | 2019 |
| DPS Printing Ltd | Manufacturing | 2012 |
| DR Spicy Ltd | Information & communication | 2021 |
| Dragon Style Kung FU Club (UK) Limited | Arts & recreation | 2026 |
| Dragonhub Limited | Hospitality | 2020 |
| Drewmay Limited | Hospitality | 2018 |
| Droveme Ltd | Wholesale & retail | 2021 |
| Drury Developments Ltd | Construction | 2021 |
| DS Ultrasound Ltd | Other services | 2020 |
| Dublose Care Services Limited | Public administration | 2020 |
| Durantie Recruitment Limited | Administrative & support | 2021 |
| Durera Ltd | Education | 2015 |
| Dusadee Thai Restaurant Limited | Professional & scientific | 2014 |
| Dwellkings Ltd | Construction | 2020 |
| Dyos Carpentry and Building Ltd | Manufacturing | 2023 |
| E & N Impex Ltd | Wholesale & retail | 2024 |
| E&I Financial Services Limited | Financial services | 2021 |
| E678 Group Limited | Wholesale & retail | 2016 |
| EA1 Services Ltd | Construction | 2022 |
| Eagle Wing Links Ltd | Construction | 2016 |
| Earwax Clinic Southend Ltd | Health & social care | 2025 |
| Easy M Recovery Ltd | Transport & logistics | 2026 |
| Easyway Haulage Limited | Wholesale & retail | 2014 |
| Eazibots Ltd | Information & communication | 2023 |
| Ebbamay Limited | Wholesale & retail | 2017 |
| Ecco Green Cars Ltd | Administrative & support | 2015 |
| Echo Shell Limited | Administrative & support | 2023 |
| Eclipse Tlnt Ltd | Professional & scientific | 2023 |
| Ecomdigi Limited | Wholesale & retail | 2025 |
| Ecosmart Heating Ltd | Construction | 2018 |
| ED Heritage Ltd | Wholesale & retail | 2025 |
| ED Locum Limited | Health & social care | 2026 |
| Eddies Cars Limited | Transport & logistics | 2023 |
| Eden Ambience Ltd | Other services | 2019 |
| Eden Beauty and Aesthetics Ltd | Other services | 2019 |
| Eden River Escapes Limited | Hospitality | 2026 |
| Edleo Limited | Professional & scientific | 2023 |
| EDU Pontis Ltd | Wholesale & retail | 2024 |
| Edward Paul (Properties) Limited | Real estate | 2019 |
| Edward Paul (Wills) Limited | Professional & scientific | 2016 |
| Edward Paul Financial Planning Ltd | Financial services | 2014 |
| Eeaa Services Ltd | Transport & logistics | 2025 |
| Eelam United Sports Club | Education | 2026 |
| EJF Marketing Limited | Professional & scientific | 2015 |
| EJK Trace Heating Ltd | Construction | 2025 |
| Ejma Ltd | Professional & scientific | 2024 |
| EL Consult Ltd | Information & communication | 2021 |
| Elated Ltd | Information & communication | 2020 |
| Elderton RD Ltd | Real estate | 2020 |
| Elderwood Property Solutions Limited | Real estate | 2020 |
| Eleanoroliver Limited Partnership | | 2010 |
| Electric Blinds Limited | Wholesale & retail | 2004 |
| Electricmix Limited | Hospitality | 2025 |
| Elevator Arts CIC | Education | 2020 |
| Eleven Imperial AVE RTM Company Limited | Households | 2025 |
| Elgrandspares Ltd | Wholesale & retail | 2021 |
| Elite Autos Mobile Mechanic Ltd | Wholesale & retail | 2025 |
| Elite Management Consultancy Limited | Administrative & support | 2010 |
| Elite Services Hub Ltd | Professional & scientific | 2024 |
| Elite-Uk Limited | Construction | 2011 |
| Ella Harvey Consulting Ltd | Professional & scientific | 2026 |
| Ellahee & Co. Limited | Professional & scientific | 2002 |
| Ellis Leisure Ltd | Administrative & support | 2024 |
| ELM Estates Ltd | Real estate | 2016 |
| ELM Parade Food Limited | Hospitality | 2026 |
| Elmsleigh Corner Ltd | Wholesale & retail | 2023 |
| Elysia Limited | Real estate | 2025 |
| Embassy Payrolls and Accounting Ltd | Wholesale & retail | 2012 |
| Eminence Property Solutions Ltd | Real estate | 2025 |
| Empowerful Consultancy Ltd | Real estate | 2023 |
| Empowerher Solutions Ltd | Administrative & support | 2025 |
| Enchanta Limited | Real estate | 2003 |
| Engineers Advance Ltd | Education | 2025 |
| Enkay Estates Ltd | Real estate | 2022 |
| Entity Events Ltd | Arts & recreation | 2013 |
| Environmental Access and Detection Ltd | Construction | 2017 |
| Epsi Research Services Ltd | Professional & scientific | 2002 |
| ERC Design Limited | Professional & scientific | 2017 |
| Erls Logistics Ltd | Transport & logistics | 2025 |
| Ernest AMA Properties Limited | Real estate | 2021 |
| ES Supermarket Ltd | Wholesale & retail | 2022 |
| Esidimsy Concept Ltd | Wholesale & retail | 2025 |
| Essent Limited | Construction | 2025 |
| Essex Corporate Fitness Ltd | Other services | 2026 |
| Essex Energy Surveys Ltd | Professional & scientific | 2014 |
| Essex Grassroots Analysis Ltd | Arts & recreation | 2022 |
| Essex Money Ltd | Financial services | 2024 |
| Essex Plant Ltd | Administrative & support | 2016 |
| Essex Trade Solutions Ltd | Wholesale & retail | 2023 |
| Essex Tyre Company Ltd | Administrative & support | 2002 |
| EST8 Property Ltd | Real estate | 2025 |
| Estra Investments Ltd | Real estate | 2020 |
| Estra Ltd | Real estate | 2020 |
| Estuary Commercial Interiors Ltd | Construction | 2025 |
| Estuary Garden Design Ltd | Administrative & support | 2026 |
| ESW Estates Ltd | Real estate | 2024 |