| Essex Halal Meat Ltd | Other services | 2024 |
| Essex Health Care London Ltd | Administrative & support | 2023 |
| Essex Indian Ltd | Hospitality | 2026 |
| Essex Installation Team Limited | Construction | 2020 |
| Essex Investments Ilford Ltd | Construction | 2020 |
| Essex Joinery Fitters Ltd | Construction | 2021 |
| Essex Lodge I-Health Ltd. | Health & social care | 2009 |
| Essex Maintenance Solutions Ltd | Construction | 2026 |
| Essex Medical Aesthetics Limited | Health & social care | 2018 |
| Essex MOT Ltd | Wholesale & retail | 2020 |
| Essex Plumbing & Electrical Ltd | Wholesale & retail | 2017 |
| Essex Pools Limited | Administrative & support | 2022 |
| Essex Properties Southend Ltd | Real estate | 2018 |
| Essex Property Services Ltd | Real estate | 2025 |
| Essex Realtors Limited | Real estate | 2026 |
| Essex Roofing Services Limited | Construction | 2024 |
| Essex School of Business Limited | Education | 2024 |
| Essex Shopfitters Ltd | Construction | 2021 |
| Essex SJ Mobile Vallet Ltd | Other services | 2017 |
| Essex Snacks Ltd | Wholesale & retail | 2011 |
| Essex Softech Ltd | Construction | 2026 |
| Essex Spicy Chicken & Pizza Ltd | Hospitality | 2016 |
| Essex Sporting Club Ltd | Extraterritorial | 2018 |
| Essex Trader UK Ltd | Wholesale & retail | 2019 |
| Essex United Ltd | Education | 2024 |
| Essex Van & Vine Ltd | Transport & logistics | 2025 |
| Essex Window Cleaning Ltd | Administrative & support | 2019 |
| Essexlondon Limited | Wholesale & retail | 2025 |
| Essexwise (EW) Traders Limited | Wholesale & retail | 2024 |
| Essexwise Consultancy Services Ltd | Information & communication | 2022 |
| Esshal Estates Ltd | Real estate | 2015 |
| Essien Property UK Limited | Real estate | 2016 |
| Estate 14 Ltd | Real estate | 2025 |
| Estate Agents London Limited | Real estate | 2016 |
| Estate Agents of UK Limited | Real estate | 2007 |
| Estate Brothers Limited | Real estate | 2016 |
| Estate Corner Ltd | Real estate | 2024 |
| Estate Pro Ltd | Real estate | 2025 |
| Estates by J&S Ltd | Real estate | 2023 |
| Estates VIE Ltd | Real estate | 2021 |
| Estates' Inn Ltd | Real estate | 2021 |
| Estateserve.Co Limited | Professional & scientific | 2019 |
| Estatly Properties Ltd | Hospitality | 2023 |
| Estetica AZ Ltd | Manufacturing | 2026 |
| Esthetics Ltd | Health & social care | 2015 |
| Estiduct Ltd. | Professional & scientific | 2017 |
| Estimacore Solutions Ltd | Water & waste | 2025 |
| Estmanco (Corinth House) Limited | Households | 1991 |
| Estmanco (Thornton House) Limited | Households | 1979 |
| Estrella DEL Norte Property Ltd | Real estate | 2023 |
| Esum Limited | Administrative & support | 2009 |
| Esvea Properties Ltd | Real estate | 2025 |
| ESX Cleaning Services Ltd | Administrative & support | 2025 |
| Esze Creatives Ltd | Real estate | 2021 |
| ET Build Ltd | Construction | 2024 |
| ET Group Investments Limited | Real estate | 2023 |
| ET Logistic Ltd | Transport & logistics | 2023 |
| ET9 Financial Holdings Ltd | Professional & scientific | 2021 |
| Etdd Group Ltd | Extraterritorial | 2019 |
| Etech Global Ltd | Wholesale & retail | 2018 |
| Eternal 14 Ltd | Information & communication | 2022 |
| Eternity Care Group Limited | Administrative & support | 2016 |
| Ethan Alecia Ltd | Health & social care | 2022 |
| Ethereal Contractors Limited | Construction | 2023 |
| Etherealle Ltd | Wholesale & retail | 2026 |
| Ethnic Engine Ltd | Wholesale & retail | 2025 |
| Ethnic Land Ltd | Wholesale & retail | 2019 |
| Etihad Town (PVT) UK Ltd | Professional & scientific | 2025 |
| Etijarat Ltd | Wholesale & retail | 2021 |
| Etiquettecare Limited | Health & social care | 2024 |
| ETL Stop Ltd | Other services | 2024 |
| ETM Construction Limited | Construction | 2021 |
| Eton Gate Investments Limited | Administrative & support | 2017 |
| Etradeexpo Limited | Wholesale & retail | 2025 |
| Etravel Concierge Limited | Extraterritorial | 2025 |
| Etrove Ltd | Wholesale & retail | 2025 |
| Etruria Stoke Limited | Real estate | 2024 |
| Ettl Shopfitting Ltd | Administrative & support | 2017 |
| EU Tyres UK Ltd | Wholesale & retail | 2018 |
| Euclase Global Limited | Professional & scientific | 2024 |
| Euda Accounting Ltd | Professional & scientific | 2026 |
| Eugen Marta Ltd | Construction | 2016 |
| Eukedu Limited | Other services | 2023 |
| Eukprime Ltd | Wholesale & retail | 2024 |
| Eumbria Ltd | Real estate | 2024 |
| Euphoria Ltd | Wholesale & retail | 2026 |
| Euphoria Prestige Events Limited | Other services | 2024 |
| Euphorium International Ltd | Wholesale & retail | 2024 |
| Eura Mini Market Ltd | Wholesale & retail | 2026 |
| Eureka Accountants Limited | Professional & scientific | 2022 |
| Euro Asia VEG Ltd | Wholesale & retail | 2015 |
| Euro Bangla Friends Ltd | Hospitality | 2018 |
| Euro Car Service Mobile Garage Ltd | Wholesale & retail | 2018 |
| Euro Corporation Ltd | Extraterritorial | 2024 |
| Euro Design & Build Ltd | Construction | 2017 |
| Euro Driveline UK Ltd | Real estate | 2020 |
| Euro Express 2 Limited | Wholesale & retail | 2026 |
| Euro Express Store Limited | Wholesale & retail | 2025 |
| Euro Furniture Group Ltd | Construction | 2017 |
| Euro Lams Ltd | Wholesale & retail | 2015 |