| Easy Peasy Transportation Services UK Ltd | Transport & logistics | 2022 |
| Easylink Communications & Cargo Services Ltd | Transport & logistics | 2010 |
| Eazy Trader Limited | Wholesale & retail | 2016 |
| Ebeno Global Services Ltd | Construction | 2021 |
| Ebirim Legal Consultants Ltd | Professional & scientific | 2026 |
| Ebose Properties Ltd | Real estate | 2024 |
| Ebro U.K. Limited | Administrative & support | 2022 |
| ECK Healthcare Ltd | Health & social care | 2021 |
| Eclectic HL Ltd | Health & social care | 2018 |
| Eco HC Renewables Ltd | Construction | 2023 |
| Economy Maintenance Limited | Households | 2020 |
| ECS (Shipping) Limited | Transport & logistics | 2009 |
| ECS Distribution & Warehousing Ltd | Transport & logistics | 2022 |
| ECS Europe Ltd | Transport & logistics | 2024 |
| ECS Haulage Ltd | Transport & logistics | 2020 |
| ECS Property Limited | Real estate | 2019 |
| ECS World Foods Ltd | Wholesale & retail | 2026 |
| ED Integral Construction Limited | Construction | 2021 |
| ED-TECH33 Ltd | Information & communication | 2025 |
| Eddies Engines Ltd | Wholesale & retail | 2023 |
| Edistribute Limited | Wholesale & retail | 2014 |
| Edmar Ventures UK Ltd | Administrative & support | 2026 |
| EDO Festival UK Limited | Administrative & support | 2015 |
| EDU Drylining Ltd | Construction | 2022 |
| Eduabroad Ltd | Education | 2025 |
| Edward Steel & Craig Limited | Construction | 1973 |
| EE Storage Solutions Ltd | Administrative & support | 2025 |
| Eebs Group Ltd | Construction | 2025 |
| Eeha Ltd | Health & social care | 2024 |
| Efficient Limited | Real estate | 2008 |
| Eforia Ltd | Other services | 2026 |
| Eggfree Cake Box Rainham Limited | Wholesale & retail | 2024 |
| Egmd Limited | Other services | 2019 |
| Eguas Limited | Real estate | 2024 |
| EH Miah Ltd | Transport & logistics | 2020 |
| Eighteenth Avenue Ltd | Real estate | 2024 |
| Eiliyah Ltd | Wholesale & retail | 2024 |
| Ejbols Limited | Real estate | 2022 |
| EJE Homes Ltd | Real estate | 2017 |
| EL Lojo Apparel Limited | Wholesale & retail | 2022 |
| El-Bethel and Scott Properties Limited | Real estate | 2024 |
| Elanur Limited | Hospitality | 2026 |
| Elecrail Ltd | Construction | 2015 |
| Electrical Outlet Limited | Wholesale & retail | 2021 |
| Electrol Limited | Education | 2010 |
| Elegance Aesthetic Skin & Body Clinic Ltd | Other services | 2025 |
| Elevate 2 Operate AI Consulting Ltd | Administrative & support | 2025 |
| Eleventh Tech & Partners Ltd | Information & communication | 2022 |
| Eleysien Limited | Real estate | 2024 |
| Elijahkeyaan Ltd | Real estate | 2023 |
| Elisa Rani Aesthetics (ERA) Ltd | Other services | 2024 |
| Elisald Ltd | Wholesale & retail | 2021 |
| Elite Chargers and Electrical Ltd | Construction | 2025 |
| Elite Construct Group Ltd | Construction | 2026 |
| Elite Craft Constructors Ltd | Construction | 2025 |
| Elite Paving & Landscapes Limited | Administrative & support | 2020 |
| Elite Roofing Services (London) Ltd | Construction | 2022 |
| Eliteelegance Installations Ltd | Construction | 2023 |
| Elizabethan Guarding Limited | Administrative & support | 2020 |
| Ellamarvym Consultancy Ltd | Real estate | 2022 |
| Elmer Diverse Limited | Information & communication | 2023 |
| Elmstone Portfolio Limited | Real estate | 2026 |
| Elovate Commerce Limited | Wholesale & retail | 2021 |
| Eltax Ltd | Construction | 2009 |
| Elvami Ltd | Construction | 2020 |
| Elysian Field Limited | Health & social care | 2009 |
| EM Studio and Projects Ltd | Professional & scientific | 2026 |
| Emabol Limited | Real estate | 2017 |
| Emant Property Group Ltd | Real estate | 2025 |
| Emanvick Limited | Administrative & support | 2017 |
| Emily Dean Limited | Professional & scientific | 2021 |
| Emir Food Ltd | Hospitality | 2019 |
| Emmay Incorporations Ltd | Administrative & support | 2011 |
| Emof International Limited | Wholesale & retail | 2019 |
| Empire Visa Consultants Limited | Professional & scientific | 2024 |
| Empowerment Care Services Ltd | Health & social care | 2023 |
| Enablement International | Other services | 2017 |
| Engine Build Specialist Ltd | Wholesale & retail | 2024 |
| Engine Parts 4 U Ltd | Wholesale & retail | 2023 |
| Engine Rebuild Centre Ltd | Wholesale & retail | 2026 |
| Engineering Products Limited | Professional & scientific | 1932 |
| ENJ Construction Services Limited | Construction | 2018 |
| ENJ Group Limited | Financial services | 2018 |
| Eno-Rema Ltd | Health & social care | 2023 |
| Enterprise Training Academy CIC | Education | 2014 |
| Enurture Technologies Ltd | Information & communication | 2022 |
| Ephphatha Gates Ltd | Health & social care | 2021 |
| Equiscore Ltd | Administrative & support | 2026 |
| Erick & SON Ltd | Construction | 2020 |
| Eris Generation Ltd | Construction | 2025 |
| Ernest Designs Limited | Administrative & support | 2017 |
| Ersm Services Provider Limited | Administrative & support | 2018 |
| Ervina C Ltd | Real estate | 2026 |
| Escalafocus Limited | Information & communication | 2010 |
| Eseme Limited | Wholesale & retail | 2004 |
| Esinpt Limited | Arts & recreation | 2014 |
| Essence Housing Ltd | Real estate | 2022 |
| Essex Accounts Limited | Professional & scientific | 2023 |
| Essex Body Shop Rainham Limited | Wholesale & retail | 2024 |
| Essex Building Contractor Ltd | Construction | 2020 |