| East Anglian Psychologists Ltd | Health & social care | 2022 |
| Eastern Sporting Limited | Wholesale & retail | 2006 |
| Eastman Capital Limited | Real estate | 2022 |
| Easy Accounting Limited | Professional & scientific | 2005 |
| Easy Air-Source Limited | Construction | 2024 |
| Eazecoenergy UK Ltd | Construction | 2023 |
| EC Romford Holdings Limited | Health & social care | 2020 |
| Eclipse Mechanical Limited | Manufacturing | 2011 |
| Ecofit Holdings Limited | Construction | 2025 |
| Ecoms Cleaning Services Ltd | Administrative & support | 2019 |
| Edumadic Limited | Administrative & support | 2016 |
| Egsg Ltd | Financial services | 2021 |
| Eh-Architecture Ltd | Professional & scientific | 2024 |
| EHG Aviation Limited | Education | 2026 |
| EHG Group Holdings Limited | Financial services | 2026 |
| EHG Sports Consulting Limited | Arts & recreation | 2025 |
| EHJ Property Ltd | Real estate | 2019 |
| Eilativ Ltd | Wholesale & retail | 2021 |
| EJP Music Limited | Education | 2017 |
| EJP Properties Ltd | Real estate | 2023 |
| Electric Mayhem Limited | Wholesale & retail | 2019 |
| Electric Opening Skylights Ltd | Wholesale & retail | 2016 |
| Electric Spinach Limited | Construction | 2020 |
| Electrical Connections Limited | Construction | 1983 |
| Elite Mailbox Limited | Real estate | 2026 |
| Elite Physios London Ltd | Health & social care | 2020 |
| Elite Van & Plant Sales Limited | Wholesale & retail | 2023 |
| Elizabeth Morris Medical Limited | Health & social care | 2022 |
| Elstead Engineering (Structural Steel) Limited | Manufacturing | 2023 |
| Eltham Ventures Ltd | Extraterritorial | 2015 |
| Entegro Tech Limited | Administrative & support | 2024 |
| EQ Resolutions Limited | Administrative & support | 2025 |
| Eriswell Road Lakenheath Management Company Limited | Households | 2023 |
| Essex Bookkeeping Limited | Professional & scientific | 2011 |
| Essex Decco Limited | Construction | 2024 |
| Essex Emergency Plumbing Ltd | Construction | 2025 |
| Essex Garden Designs Ltd | Administrative & support | 2020 |
| Essex Prime Trading AS Upsticks Limited | Households | 2025 |
| Essex Salt Ltd | Wholesale & retail | 2016 |
| Estrel Ltd | Wholesale & retail | 2025 |
| ETC. Family Property Limited | Real estate | 2016 |
| Even Farm-Uk Ltd | Financial services | 2022 |
| Everelm Holdings Limited | Financial services | 2025 |
| Everelm Ltd | Wholesale & retail | 2000 |
| Evolution Transport and Recovery Ltd | Transport & logistics | 2023 |
| Excel in Power BI Ltd | Information & communication | 2019 |
| Excelsior Pro Ltd | Arts & recreation | 2023 |
| Executive Plumbing & Heating Ltd | Construction | 2021 |
| Exterior Property Care Essex Ltd | Households | 2025 |
| Extreme Skills Limited | Education | 2023 |
| Eyevine Holdings Limited | Financial services | 2022 |
| Eyevine Limited | Professional & scientific | 2002 |
| F M LOG Cabins Limited | Construction | 2016 |
| F.E.R. Ltd | Real estate | 2025 |
| Face Skincare Limited | Wholesale & retail | 2020 |
| Fairacres Group (Holdings) Limited | Professional & scientific | 2021 |
| Fairacres Group Limited | Extraterritorial | 1995 |
| Fairman Restorations Ltd | Real estate | 2021 |
| Fallows Residents Management Company Limited | Real estate | 2025 |
| Farmer Paul’S Limited | Agriculture & fishing | 2021 |
| Farmina Pet Foods UK Ltd | Wholesale & retail | 2023 |
| Farrows Farm Residents Limited | Households | 2023 |
| Feis Wigs and Accessories Ltd | Wholesale & retail | 2023 |
| Fielding Environmental Limited | Construction | 2014 |
| Finishing Touch (Covers) Limited | Administrative & support | 2011 |
| Finnish LOG Cabins Limited | Wholesale & retail | 2015 |
| Finnish LOG Homes Limited | Wholesale & retail | 2016 |
| First Cargo Limited | Transport & logistics | 2018 |
| First Exec Limited | Wholesale & retail | 2018 |
| First Golf Developments (Herongate) Limited | Real estate | 1999 |
| First Golf Limited | Real estate | 1992 |
| First Golf Operations (Hampshire) Limited | Hospitality | 2023 |
| First Golf Operations Limited | Hospitality | 2019 |
| Five Arrows Solutions Limited | Professional & scientific | 2009 |
| FJC Group Ltd | Wholesale & retail | 2026 |
| FK Swiftkeys Ltd | Real estate | 2026 |
| Flagpole Maintenance Company Limited | Manufacturing | 2009 |
| Flat OUT Creations Ltd | Information & communication | 2021 |
| FLO Rael Limited | Real estate | 2023 |
| FMI Consulting Ltd | Financial services | 2024 |
| FN Property Investments Ltd | Real estate | 2017 |
| FN Property Services Ltd | Real estate | 2016 |
| FN Property Solutions Ltd | Real estate | 2016 |
| Fnpg 1 Ltd | Real estate | 2021 |
| Fnpg 2 Ltd | Real estate | 2025 |
| Fnpg Construction Ltd | Construction | 2026 |
| Fnpg Holdings Ltd | Financial services | 2025 |
| FNS Property Group Ltd | Real estate | 2018 |
| Fordham Fine Foods Limited | Wholesale & retail | 1998 |
| Foregone Conclusion Ltd | Financial services | 2025 |
| Foresight Consulting (UK) Ltd. | Professional & scientific | 2002 |
| Forever Callie Ltd | Information & communication | 2018 |
| Fortiora Holdings Limited | Administrative & support | 2025 |
| Fortis Property Investment LLP | | 2005 |
| Foundland Residents Association Limited | Households | 1982 |
| Four Little Ducks Ltd | Professional & scientific | 2019 |
| Fowler Financial Solutions Limited | Financial services | 2008 |
| Fowler Wealth Management Ltd | Financial services | 2019 |
| Foxhill Limited | Financial services | 2016 |
| Freedom UK Investment Ltd | Real estate | 2018 |