| Elliotts Group Limited | Administrative & support | 2022 |
| Elliotts Investments Limited | Real estate | 2022 |
| Elliotts Resico Limited | Real estate | 2025 |
| Elliotts Specialist Cleaning Ltd | Administrative & support | 2025 |
| Elluxi Group Limited | Administrative & support | 2017 |
| Elmanahry Healthcare Limited | Health & social care | 2021 |
| Elmex Burritos Limited | Hospitality | 2023 |
| Elmex FLK Limited | Hospitality | 2024 |
| Elmex SL Limited | Hospitality | 2024 |
| Elmexdc Limited | Hospitality | 2022 |
| Elmexicana Limited | Hospitality | 2023 |
| Elmhurst Services Ltd | Extraterritorial | 2018 |
| Elon DS Ltd | Transport & logistics | 2013 |
| Elried Limited | Manufacturing | 2024 |
| Elsa Cafe Ltd | Construction | 2024 |
| Elsacookz Limited | Manufacturing | 2024 |
| Elstree Property Maintenance Limited | Construction | 1999 |
| ELT Cost Management Ltd | Professional & scientific | 2020 |
| ELT Holdings Limited | Financial services | 2022 |
| Elynetics Consulting Limited | Information & communication | 2020 |
| Elysium Innovations Ltd | Wholesale & retail | 2023 |
| Emajowins Limited | Health & social care | 2021 |
| Ember Homes Developments Limited | Real estate | 2016 |
| Ember Homes Limited | Real estate | 2001 |
| Emberglow Pictures Ltd | Information & communication | 2023 |
| Embroidery and Prints Online Ltd | Manufacturing | 2023 |
| Emcee Music Services Ltd | Information & communication | 2026 |
| Emchard Limited | Professional & scientific | 2023 |
| Emergency Grease Trap Services Ltd | Water & waste | 2025 |
| Emily Clothing Limited | Wholesale & retail | 2011 |
| Emily Manufacturing Ltd | Manufacturing | 2023 |
| Emily Ponte Clinic Limited | Other services | 2025 |
| Emmett & Co. Estates Ltd | Real estate | 2025 |
| Empire Tiling Limited | Construction | 2020 |
| Empowerment Partners Ltd | Education | 2025 |
| Emtrans Logistics Limited | Transport & logistics | 2024 |
| Emysam Ltd | Construction | 2015 |
| Encase Worldwide Limited | Wholesale & retail | 2018 |
| END Times Revival Global Ministries Ltd | Other services | 2021 |
| Endosketch Ltd | Health & social care | 2023 |
| Ends Well Homes Ltd | Real estate | 2024 |
| Engage Tackle Ltd | Manufacturing | 2021 |
| Engineering College of Technology Limited | Education | 2021 |
| Engineering Consulting and Services Limited | Professional & scientific | 2019 |
| Engineering Support 24/7 Limited | Professional & scientific | 2014 |
| ENH Pharma Ltd | Health & social care | 2014 |
| Enhance Build Limited | Construction | 2020 |
| Enhanced by KAY Ltd | Other services | 2025 |
| Enigma Music Services Ltd | Arts & recreation | 2019 |
| Enodo Education Ltd | Education | 2024 |
| Ensconce Property Ltd | Real estate | 2021 |
| Ensconce Supported Living Ltd | Real estate | 2024 |
| Ensynq Ltd | Administrative & support | 2001 |
| Entarchi Solutions Limited | Information & communication | 2025 |
| Enter Homes Ltd | Real estate | 2019 |
| Enterprise Building Contractors Ltd | Construction | 2021 |
| Enterprise Digital Marketing Limited | Information & communication | 2014 |
| Entertainment Effects Group Holdings Limited | Real estate | 2024 |
| Entertainment Effects Group Ltd | Arts & recreation | 1997 |
| Entro Canvas Ltd | Wholesale & retail | 2025 |
| Entro Overseas UK Ltd | Real estate | 2024 |
| Enviro Repair Limited | Wholesale & retail | 2023 |
| Environmental Management Group Limited | Administrative & support | 2018 |
| Envision Property Investment Limited | Real estate | 2018 |
| Epco Holdings Limited | Wholesale & retail | 1998 |
| EPH Install Services Ltd | Construction | 2014 |
| Epiphany Productions Limited | Information & communication | 2003 |
| Epos Leader Ltd | Wholesale & retail | 2024 |
| Eppendorf UK Limited | Manufacturing | 2001 |
| Epping Cleaning Services Limited | Households | 2021 |
| EPS Fitout Limited | Extraterritorial | 2011 |
| EPS Interiors Limited | Extraterritorial | 2011 |
| Equinox Investments Limited | Other services | 2016 |
| Equipmedics Ltd | Health & social care | 2025 |
| Equity Release Matters Limited | Financial services | 2014 |
| Erialaia Limited | Real estate | 2022 |
| Eric Engineering Ltd | Construction | 2017 |
| Erotica Direct Ltd | Other services | 2006 |
| ERP Architecture Consulting (OJR) Limited | Administrative & support | 2026 |
| Erriff Drive Management Company Limited | Households | 1994 |
| Erriseask Rollo Limited | Financial services | 2015 |
| ERS Consortium Ltd | Hospitality | 2017 |
| Erudition PVT Limited | Information & communication | 2011 |
| Erzulie Cakes Limited | Manufacturing | 2022 |
| Esanophin Healthcare Ltd | Health & social care | 2021 |
| Escaramello Ltd | Wholesale & retail | 2021 |
| ESG Ventures Ltd | Professional & scientific | 2020 |
| Esgcontrols Ltd | Information & communication | 2024 |
| Eskapayd C.I.C. | Administrative & support | 2022 |
| Eslee Entertainment Limited | Hospitality | 2024 |
| Esme Robinson Commercial Limited | Professional & scientific | 2022 |
| Esprit Digital Limited | Professional & scientific | 2002 |
| ESS Cube Ltd | Information & communication | 2022 |
| Essenare Silverstone Ltd | Real estate | 2023 |
| Essential Drain Services Limited | Water & waste | 2022 |
| Essential Exterior Cleaning Limited | Administrative & support | 2026 |
| Essential Results Limited | Administrative & support | 2005 |
| Essex Corporate Events Ltd | Administrative & support | 2025 |
| Essex Events Ltd | Hospitality | 2025 |
| Essex Hospitality Ltd | Hospitality | 2025 |