| Essex Building&Landscaping Ltd | Construction | 2019 |
| Essex Eco Ltd | Construction | 2020 |
| Essex Land Rover Club Limited | Arts & recreation | 1987 |
| Essex Later Life Planning Ltd | Financial services | 2017 |
| Essnat Property Investments Ltd | Real estate | 2026 |
| Esta IT Services Ltd | Professional & scientific | 2023 |
| Estatebridge Partners Ltd | Real estate | 2026 |
| Esteeve Ltd | Real estate | 2025 |
| Estoera Ltd | Wholesale & retail | 2022 |
| Eternal Casting Ltd | Other services | 2023 |
| Ethereal Builds Ltd | Construction | 2023 |
| Ethnat Holdings Ltd | Real estate | 2022 |
| Ethos Staffing and Training Ltd | Administrative & support | 2025 |
| ETU Transport Ltd | Transport & logistics | 2024 |
| EU Accountancy Ltd | Professional & scientific | 2013 |
| Eugino Properties Ltd | Real estate | 2025 |
| Eunny Properties Limited | Real estate | 2019 |
| Eunoka Ltd | Health & social care | 2022 |
| Euphoria NS Ltd | Other services | 2023 |
| Euro Flex Limited | Wholesale & retail | 2020 |
| Euro Shopfitters Limited | Construction | 2003 |
| Evelex Construction Ltd | Construction | 2023 |
| Evelina Care Solution Limited | Health & social care | 2026 |
| Events Meets World Limited | Hospitality | 2020 |
| Ever North Limited | Financial services | 2016 |
| Ever North Mortgages Ltd | Financial services | 2019 |
| Ever Rich (Online) UK Ltd | Wholesale & retail | 2014 |
| Everest Scaffolding Ltd | Construction | 2016 |
| Evergreen Contracts Ltd | Construction | 2024 |
| Everkind Care Services Limited | Health & social care | 2023 |
| Everleigh Construction Ltd | Construction | 2024 |
| Everleigh Groundworks Ltd | Construction | 2026 |
| Everleigh Interiors Ltd | Construction | 2026 |
| Everlys UK Chicken HUT Ltd | Hospitality | 2024 |
| Every Asset Limited | Information & communication | 2020 |
| Every Well Water Foundation | Other services | 2016 |
| Evetec Ltd | Information & communication | 2017 |
| Eveva Health Ltd | Information & communication | 2026 |
| EVF Consulting Ltd | Information & communication | 2010 |
| Evolvz Building and Property Services Ltd | Construction | 2022 |
| EVP Trans Limited | Transport & logistics | 2021 |
| Excel Waste Management Limited | Water & waste | 2013 |
| Exilon Ltd | Manufacturing | 2013 |
| Exit Traders on Ltd | Wholesale & retail | 2020 |
| Express Acoustics Ltd | Other services | 2021 |
| Express Facades & Fabrications Ltd | Construction | 2019 |
| Express Group Construction Ltd | Construction | 2020 |
| Exquisite London City Ltd | Construction | 2017 |
| Extended Reality Sciences Limited | Professional & scientific | 2019 |
| Eyzee Cleaning Solutions Ltd | Administrative & support | 2012 |
| EZ Mount Ltd | Construction | 2025 |
| Ezee Selling Limited | Wholesale & retail | 2018 |
| F a K International Limited | Transport & logistics | 1988 |
| F Ahmed T/A RAJ & Co Ltd | Administrative & support | 2025 |
| F H Brundle | Wholesale & retail | 2010 |
| F&A TEO London Construction Ltd | Construction | 2019 |
| F&F Business Ltd | Professional & scientific | 2023 |
| F&F Initiatives Ltd | Other services | 2024 |
| F&S Brickwork Ltd | Construction | 2023 |
| F&T Property Group Ltd | Real estate | 2025 |
| F.J. Church & Sons Limited | Water & waste | 1937 |
| F.W.S Builders Ltd | Construction | 2020 |
| FAB Supplies Ltd | Wholesale & retail | 2026 |
| FAB Traders Ltd | Wholesale & retail | 2019 |
| Fabvisage Aesthetics Ltd | Health & social care | 2014 |
| Face Building Contracts Ltd | Real estate | 2023 |
| Fade & Blade Rainham Ltd | Other services | 2024 |
| Fade Cave Group Ltd | Other services | 2022 |
| Fadez Barbers by Z Limited | Other services | 2018 |
| FAF Assets Ltd | Real estate | 2022 |
| Fagon Interiors Ltd | Construction | 2017 |
| Fairview Freight Forwarding Ltd | Transport & logistics | 2024 |
| Fairview Truck Parks Ltd | Manufacturing | 2018 |
| Faithgate Ltd | Health & social care | 2013 |
| Falconerroe Properties Limited | Real estate | 2016 |
| FAMED4FOOD Ltd | Hospitality | 2024 |
| Fare Electrical Limited | Construction | 2017 |
| Fareeda’S Ltd | Wholesale & retail | 2023 |
| Farhat Investments Limited | Real estate | 2022 |
| Fari Consultancy Ltd | Administrative & support | 2023 |
| Farmal Properties Ltd | Real estate | 2018 |
| Farmex Yoll Limited | Wholesale & retail | 2023 |
| Farnham PVT Limited | Health & social care | 2013 |
| Fashionage Ltd | Wholesale & retail | 2024 |
| Fasray Developments Ltd | Construction | 2021 |
| Fast K9 Security Limited | Administrative & support | 2022 |
| Fast Line Training Services Limited | Education | 2011 |
| Fast Track Properties Ltd | Hospitality | 2015 |
| Fastlane Products Ltd | Wholesale & retail | 2019 |
| Fastline Safety Group Ltd | Professional & scientific | 2025 |
| Fatyac Limited | Administrative & support | 2011 |
| Faust Kleinerkinder Chilcare Ltd | Education | 2020 |
| Fazkey Ltd | Information & communication | 2025 |
| FBA Essentials Ltd | Wholesale & retail | 2025 |
| Felix and Mercy UK Limited | Health & social care | 2022 |
| Fellatee Investment Limited | Real estate | 2022 |
| Femton Logistics and Supplies Ltd | Wholesale & retail | 2023 |
| Fenemax Integrated Services Ltd | Wholesale & retail | 2014 |
| Fercam Logistics Limited | Transport & logistics | 1999 |
| Ferry Lane Motors (UK) Ltd | Wholesale & retail | 2025 |