| Eplium Ltd | Professional & scientific | 2025 |
| Eportal Market Ltd | Wholesale & retail | 2020 |
| EPP Solutions Ltd | Information & communication | 2025 |
| Epping Essex Investments Limited | Real estate | 2017 |
| EPR Global Recruitment Ltd | Administrative & support | 2016 |
| EPR Services Ltd | Health & social care | 2020 |
| Epsilon Soft Software Solutions Limited | Information & communication | 2014 |
| Epsilon Solutions Ltd | Administrative & support | 2015 |
| EQ AV UK Limited | Information & communication | 2023 |
| Eqac Ltd | Education | 2016 |
| Eqfx Ltd | Administrative & support | 2017 |
| Equator Properties (UK) Limited | Real estate | 2019 |
| Equilibrium Strategy Ltd | Manufacturing | 2025 |
| Equilibrium Technology Solutions Ltd | Information & communication | 2016 |
| Equinox RE Ltd | Real estate | 2009 |
| Equipe Electrical & Building Solutions Limited | Construction | 2017 |
| Equipe Mentoring Ltd | Education | 2026 |
| Equipoise Properties Limited | Real estate | 2020 |
| Equitara Ltd | Financial services | 2025 |
| Equity Finance and Investments Ltd | Financial services | 2021 |
| Equity Steps Ltd | Education | 2025 |
| ER Motors Ltd | Wholesale & retail | 2024 |
| ERA Travel's Ltd | Transport & logistics | 2022 |
| Eratiana Ltd | Wholesale & retail | 2025 |
| Eray Property Limited | Real estate | 2022 |
| ERC Profiles Ltd | Manufacturing | 2018 |
| Eremi Ltd | Construction | 2018 |
| Erha Trading Limited | Manufacturing | 2025 |
| Erickseb Limited | Transport & logistics | 2018 |
| Erik Delivery Ltd | Construction | 2020 |
| Erik Properties Ltd | Construction | 2021 |
| Erik Property Investment Ltd | Real estate | 2025 |
| Erin Aniker Ltd | Arts & recreation | 2016 |
| Eris Barber Ltd | Other services | 2025 |
| Erith & Woolwich Kabadi Club (B) Ltd | Arts & recreation | 2025 |
| Ernest & Orest Ltd | Construction | 2021 |
| Ernshaw Property Maintenance Limited | Administrative & support | 2019 |
| Erohin Electrical Ltd | Construction | 2026 |
| Eroll Contractors Ltd | Construction | 2015 |
| ERP Systems Solutions Limited | Information & communication | 2022 |
| Erra Company Ltd | Construction | 2022 |
| ERV Motors Ltd | Wholesale & retail | 2021 |
| Erzurum Limited | Hospitality | 2020 |
| ES Agency Ltd | Other services | 2015 |
| ES Hair Salon Ltd | Other services | 2023 |
| ES6 Plumbing and Heating Services Limited | Construction | 2015 |
| Esawa Traders Ltd | Wholesale & retail | 2026 |
| Escaping the Matrix Ltd | Real estate | 2023 |
| ESELLER2025 Ltd | Wholesale & retail | 2025 |
| ESF Fire Protection Limited | Construction | 2015 |
| ESF Property Holdings Ltd | Real estate | 2024 |
| Esfo Property Ltd | Real estate | 2025 |
| ESG Contractors Ltd | Administrative & support | 2024 |
| ESG Work Resources Limited | Construction | 2017 |
| Esha Locums Limited | Professional & scientific | 2025 |
| Eshaal Enterprises Ltd | Wholesale & retail | 2025 |
| Eshaal General Trading Ltd | Wholesale & retail | 2021 |
| Eshal Homes Ltd | Real estate | 2025 |
| Eshin Investments Ltd | Other services | 2022 |
| Eshnika (UK) Limited | Hospitality | 2014 |
| Eshop Galaxy Ltd | Wholesale & retail | 2025 |
| Eshopu Limited | Wholesale & retail | 2025 |
| Eshtech Limited | Wholesale & retail | 2015 |
| ESK IT Solutions Ltd | Information & communication | 2020 |
| Esmart Ltd | Wholesale & retail | 2024 |
| Esna Accountancy Limited | Professional & scientific | 2018 |
| Esna Consultancy Limited | Administrative & support | 2015 |
| Esol Trainig Ltd | Other services | 2022 |
| Espacios Ltd | Real estate | 2023 |
| Espanza Limited | Wholesale & retail | 2018 |
| Espd - Experienced & Qualified Tutors Ltd | Education | 2022 |
| Espertolab Ltd | Professional & scientific | 2022 |
| Esporti Ltd | Wholesale & retail | 2021 |
| Essdon Home Care Ltd | Health & social care | 2024 |
| Essdon PAY Ltd | Professional & scientific | 2024 |
| Esselas Art Ltd | Wholesale & retail | 2021 |
| Essence 5 Ltd | Wholesale & retail | 2024 |
| Essence Care Services Limited | Health & social care | 2021 |
| Essence of Events Limited | Real estate | 2023 |
| Essential Bridge Trade Ltd | Wholesale & retail | 2026 |
| Essential Global Ltd | Professional & scientific | 2022 |
| Essential Property Development Limited | Real estate | 2016 |
| Essex A.C. Ltd | Construction | 2018 |
| Essex Accountants and Tax Consultants Ltd | Professional & scientific | 2020 |
| Essex Auto Village Ltd | Wholesale & retail | 2024 |
| Essex Autocentre Ltd | Wholesale & retail | 2017 |
| Essex Beauty Group Limited | Other services | 2026 |
| Essex Bros Removal Ltd | Transport & logistics | 2025 |
| Essex Building and Cleaning Ltd | Construction | 2023 |
| Essex Business Venture Ltd | Real estate | 2021 |
| Essex Car & Van Centre Limited | Wholesale & retail | 2021 |
| Essex Car Village Ltd | Administrative & support | 2017 |
| Essex Clean Machine Ltd | Administrative & support | 2026 |
| Essex College of Professional Studies Limited | Education | 2022 |
| Essex Construction Group Ltd | Construction | 2021 |
| Essex Consultancy Services Ltd | Hospitality | 2019 |
| Essex Electrical Supplies Limited | Wholesale & retail | 1984 |
| Essex Estates & Investments Ltd | Real estate | 2016 |
| Essex Fast Food Limited | Extraterritorial | 2010 |
| Essex Fire Safety Consultants Limited | Public administration | 2025 |