| East Sheen Consulting Limited | Professional & scientific | 2018 |
| Eastriver Technology Ltd | Information & communication | 2025 |
| Eastway Plumbing & Heating Ltd | Construction | 2023 |
| Easy Cruise Ltd | Transport & logistics | 2026 |
| Easy Sleep Solutions Limited | Health & social care | 2019 |
| Easyfairs UK Limited | Administrative & support | 2004 |
| EAY Construction Ltd | Construction | 2021 |
| Ebisu Commodities Ltd | Transport & logistics | 2025 |
| Ebjm Ltd | Real estate | 2026 |
| EBX Services Ltd | Water & waste | 2026 |
| EC Legal Consultancy London Ltd | Professional & scientific | 2022 |
| Eccos Roofing and Building Ltd | Construction | 2026 |
| Echo-Kilo Ltd | Wholesale & retail | 2021 |
| Eckley Holdings Ltd | Professional & scientific | 2024 |
| Eco Trip Cars Limited | Transport & logistics | 2010 |
| Ecovion Capital Ltd | Financial services | 2026 |
| ED Preedy Ltd | Information & communication | 2019 |
| Eden Flow Yoga Ltd | Education | 2023 |
| Edge of the Forest Studio Ltd | Information & communication | 2013 |
| Edge Strategy Limited | Professional & scientific | 2024 |
| Edmunds Richmond Limited | Professional & scientific | 1985 |
| EDS Development and Construction Limited | Construction | 2024 |
| Edu-Line Limited | Education | 2011 |
| Educare Family Support Service C.I.C. | Health & social care | 2014 |
| Edward Leatham Ltd | Health & social care | 2018 |
| Edwards Accounting Payroll Solutions Ltd | Professional & scientific | 2017 |
| Edwards Accounting Solutions Ltd | Professional & scientific | 2018 |
| Edwards Sherrie Louise Ltd | Wholesale & retail | 2026 |
| Edwin Mason Consulting Limited | Information & communication | 2016 |
| EEL PIE Boatyard Limited | Real estate | 1997 |
| EEL PIE Island Museum CIC | Arts & recreation | 2015 |
| EEL PIE Island Slipways Limited | Manufacturing | 1983 |
| EEL PIE Media Ltd | Professional & scientific | 2021 |
| EFO Ltd | Wholesale & retail | 2021 |
| Efosa Osarumwse Services Limited | Health & social care | 2015 |
| EG Hartnett Heating Limited | Professional & scientific | 2011 |
| Eggsquisite Surprises Ltd | Wholesale & retail | 2021 |
| EHM Media Ltd | Information & communication | 2010 |
| EHT Properties Ltd | Real estate | 2018 |
| Ei-Ja Consulting Ltd | Professional & scientific | 2016 |
| Eight Station Road (Twickenham) Limited | Households | 1975 |
| EKK Vision Ltd | Health & social care | 2016 |
| EL Business Services Limited | Administrative & support | 2013 |
| Elastic EYE Media Limited | Manufacturing | 2015 |
| Electric Meadow Ltd | Professional & scientific | 2014 |
| Electric Space Ltd | Construction | 2025 |
| Electrikp Ltd | Construction | 2025 |
| Electroline Limited | Manufacturing | 1979 |
| Electroskip Ltd | Arts & recreation | 2024 |
| Elegant Food and Wine Ltd | Wholesale & retail | 2026 |
| Elemental Economics Ltd | Professional & scientific | 2015 |
| Eleos Labs Limited | Information & communication | 2025 |
| Eleos London Ltd | Information & communication | 2024 |
| Eleven Fine Art Limited | Administrative & support | 2005 |
| Eligo Property Limited | Real estate | 2009 |
| Elite Accounting & Taxation Ltd | Professional & scientific | 2020 |
| Elite Building Construction Ltd | Construction | 2022 |
| Elite Consultancy & Training Limited | Information & communication | 2014 |
| Elite Cosmetic Beauty Limited | Other services | 2024 |
| Elite Film Electrics Limited | Information & communication | 2023 |
| Elite Maintenance LDN Ltd | Construction | 2022 |
| Elite Martial Arts Richmond Limited | Arts & recreation | 2017 |
| Elite Repair Network Limited | Wholesale & retail | 2025 |
| Elite Standard Ltd | Construction | 2015 |
| Elite Tech Sales Ltd | Administrative & support | 2025 |
| Elite Vehicle Chargers Limited | Administrative & support | 2019 |
| Elite Vehicle Charging Limited | Other services | 2019 |
| Elitesbridge Limited | Professional & scientific | 2017 |
| Elixir Estates Ltd | Real estate | 2020 |
| Elizabeth Samuels Ltd | Administrative & support | 2017 |
| Ellie & Bros Limited | Wholesale & retail | 2019 |
| ELM & Karen Helle Ceramics Ltd | Manufacturing | 2023 |
| Elyned Ltd | Wholesale & retail | 2025 |
| ELZ Aesthetics Ltd | Other services | 2025 |
| EM Construction Management Services Ltd | Construction | 2023 |
| EM Property Renovations Ltd | Construction | 2026 |
| EM Webb Ltd | Education | 2025 |
| Embodied Soul Ltd | Health & social care | 2019 |
| EMC Marine Ltd | Manufacturing | 2022 |
| Emerald Contracts Ltd | Construction | 2020 |
| Emerald Distribution Ltd | Wholesale & retail | 2025 |
| EMG Global Consulting Ltd | Professional & scientific | 2024 |
| Emily Penrose Design Limited | Professional & scientific | 2017 |
| Emma Preedy Limited | Real estate | 2022 |
| Emoteil Ltd | Hospitality | 2025 |
| Empire Managed Offices Limited | Real estate | 2018 |
| Empire Managed Properties Limited | Real estate | 2014 |
| Empire Trends UK Limited | Wholesale & retail | 2024 |
| Employers Support Ltd | Administrative & support | 2018 |
| Encor Music Group Ltd | Information & communication | 2025 |
| END Carpet Cleaning Ltd | Administrative & support | 2022 |
| END2END PM Limited | Information & communication | 2025 |
| Energy Array Partners Ltd | Construction | 2021 |
| Energy Contracting and Consulting Services Limited | Administrative & support | 2013 |
| Energy Investors Limited | Energy | 2022 |
| Energy SRS Ltd | Extraterritorial | 2013 |
| Eneriom UK Ltd | Professional & scientific | 2026 |
| Enervate Capital Limited | Professional & scientific | 2025 |
| England Rugby Football Schools' Union | Arts & recreation | 2002 |
| England Rugby Limited | Arts & recreation | 2001 |