| E-Cap Solutions Limited | Financial services | 2025 |
| E1 Corner Shop Limited | Hospitality | 2012 |
| E2 Cornershop Ltd | Hospitality | 2018 |
| Earl of Portchester Limited | Professional & scientific | 2025 |
| Earth Medical Limited | Health & social care | 2022 |
| East & IVY Ltd | Real estate | 2025 |
| East & Silk International Limited | Wholesale & retail | 2005 |
| East Marsh Regeneration Limited | Construction | 2013 |
| East Park Limited | Administrative & support | 2024 |
| East Tower Security Systems Ltd | Administrative & support | 2014 |
| Eastcourt Independent School Limited | Education | 1962 |
| Eastroad Developments Ltd | Real estate | 2021 |
| Ebbsfleet Blinds Ltd | Other services | 2022 |
| EBL Property Development Ltd | Real estate | 2023 |
| EBL Trading Ltd | Wholesale & retail | 2022 |
| Eco Group Direct Limited | Construction | 2021 |
| Eco Maintenance Direct Ltd | Other services | 2019 |
| Eco Secondary Glazing Ltd | Wholesale & retail | 2012 |
| Eden Interior & Design Ltd | Construction | 2024 |
| Edpro Solutions Ltd | Education | 2023 |
| EEM Electrical Installations Ltd | Construction | 2021 |
| EJS Building Services Limited | Construction | 2007 |
| Electrical Safety Services (GB) Limited | Administrative & support | 2012 |
| Eleosity Ltd | Other services | 2022 |
| Elevator-Planning (U.K.) Limited | Professional & scientific | 2002 |
| Elisium Eco Structures Limited | Construction | 2025 |
| Elisium Ltd | Construction | 2019 |
| Elite Visions Limited | Wholesale & retail | 2003 |
| Ellis Jones Property Management Limited | Real estate | 2018 |
| ELM Houseplants Limited | Wholesale & retail | 2023 |
| Elmhurst Payments Consultants Limited | Professional & scientific | 2025 |
| Elmtree Partners Limited | Administrative & support | 2024 |
| Elsenham Hall Park Ltd | Real estate | 2023 |
| Elsm Genesis Ltd | Real estate | 2024 |
| Emanon Limited | Information & communication | 2008 |
| EMD Cleaning Ltd | Administrative & support | 2022 |
| Emdpro Limited | Administrative & support | 2025 |
| EMM Commissioning Limited | Construction | 2008 |
| Emma Zucker Ltd | Information & communication | 2023 |
| Emmal Tech Ltd | Professional & scientific | 2014 |
| Emmatt Limited | Real estate | 2026 |
| Empress House Freehold Limited | Households | 2017 |
| Engineering Forensics Ltd | Professional & scientific | 2015 |
| Enlightened Control Solutions Ltd | Construction | 2024 |
| ENR Consulting Engineers Ltd | Professional & scientific | 2022 |
| Envisionthecloud Ltd | Information & communication | 2016 |
| Ephesus Limited | Wholesale & retail | 2011 |
| Equis Energy Limited | Professional & scientific | 2006 |
| Equity Launch Ltd | Information & communication | 2025 |
| ERA Financial Ltd | Financial services | 2017 |
| Espress Organics Limited | Hospitality | 2001 |
| Essex Maintenance & Construction Ltd | Construction | 2019 |
| Essex Motorcycle Repair Limited | Wholesale & retail | 2020 |
| Essex Sports Medicine Ltd | Health & social care | 2025 |
| ESSEXCOUNTYCARS4U Ltd | Wholesale & retail | 2025 |
| European Commissioning Services Ltd | Construction | 2010 |
| Events With Natalie Ltd | Administrative & support | 2025 |
| Everards Farm Limited | Hospitality | 2020 |
| Everydot Ltd | Information & communication | 2021 |
| Evolution Holdings Group Ltd | Financial services | 2024 |
| Evolution Interiors Holdings Ltd | Administrative & support | 2017 |
| Evolution Interiors Limited | Administrative & support | 2002 |
| Evolve Tackle Ltd | Professional & scientific | 2022 |
| Excava Limited | Information & communication | 2021 |
| Exlin Properties Limited | Construction | 2023 |
| Expert Field Sales Recruitment Limited | Administrative & support | 2012 |
| Express Heating and Electrical Supplies Limited | Wholesale & retail | 2019 |
| Extra Building & Maintenance Ltd | Construction | 2016 |
| F S People Limited | Administrative & support | 2001 |
| F Tibetan Ltd | Health & social care | 2024 |
| F&M Financial Ltd. | Financial services | 2021 |
| F&Z Trading Limited | Wholesale & retail | 2023 |
| F.J.Heath & Company Limited | Construction | 1961 |
| F2 Construction Management Ltd | Administrative & support | 2011 |
| Fade Cave Buckhurst Ltd | Other services | 2025 |
| Fairy Touch Cleaning Limited | Administrative & support | 2013 |
| Fallowfields Management Limited | Real estate | 2011 |
| Families First Mediation Limited | Administrative & support | 2024 |
| Famsum Ltd | Health & social care | 2019 |
| FAMSUM2 Limited | Real estate | 2024 |
| Farquhar Electrical Ltd | Construction | 2023 |
| Fashas Ltd | Real estate | 2025 |
| Fast Route Logistics Limited | Transport & logistics | 2023 |
| Fayd LDN Ltd | Wholesale & retail | 2022 |
| Feliciter Ltd | Wholesale & retail | 2019 |
| Ferzan Information Technologies Ltd | Information & communication | 2019 |
| FFF Estates Maintenance Limited | Other services | 2021 |
| Fieldview Care Recruitment Solutions Ltd | Administrative & support | 2023 |
| Fifty Q Limited | Hospitality | 2026 |
| Filedawn Limited | | 1986 |
| Finasta Consulting Ltd | Professional & scientific | 2014 |
| Finchfleet Limited | Real estate | 1985 |
| Fine Doors Ltd | Wholesale & retail | 2004 |
| Fineraid Limited | Other services | 2003 |
| First Memories Ltd | Real estate | 2019 |
| First Southfleet Maintenance Limited | Households | 1985 |
| First Team Marketing Consultancy Ltd | Information & communication | 2017 |
| Firstable Ltd | Professional & scientific | 2025 |
| FK Capital Limited | Real estate | 2022 |
| Flowers by Danielle Ltd | Wholesale & retail | 2025 |