| E W Court Management Ltd | Households | 2018 |
| E-Shoppie Ltd | Wholesale & retail | 2025 |
| E.J Barrett Building Services Ltd | Construction | 2019 |
| E.J Barrett Properties Ltd | Real estate | 2022 |
| E.N.E. Conveyor Systems Ltd | Manufacturing | 1997 |
| E.N.Suiter & Sons Limited | Construction | 1974 |
| E.T.A. -Exclusive Travel Advisor Ltd | Extraterritorial | 2011 |
| E.W. Bell & Co. | Agriculture & fishing | 1978 |
| E.W.Becker & Son(Properties)Limited | Real estate | 1965 |
| EA Mobility Holdings Limited | Financial services | 2019 |
| EA Mobility Limited | Extraterritorial | 2019 |
| EA Spa Services Limited | Manufacturing | 2024 |
| Eagles EOD Engineering Limited | Professional & scientific | 2025 |
| Eagles Gymnastics Club Ltd | Arts & recreation | 2017 |
| Early Years Book Company Ltd | Education | 2007 |
| Early Years Educational Services UK Limited | Education | 2021 |
| East Anglia Aerial Installation Limited | Construction | 2014 |
| East Anglia Electrical Contractors Ltd | Construction | 2026 |
| East Anglia Electrical Limited | Construction | 2022 |
| East Anglia Properties Ltd | Real estate | 2019 |
| East Anglia Vets Limited | Professional & scientific | 2019 |
| East Anglia Web Design Ltd | Information & communication | 2021 |
| East Anglian Cladding Ltd | Construction | 2019 |
| East Anglian Installation Systems Ltd | Manufacturing | 2014 |
| East Anglian Installations Limited | Manufacturing | 1992 |
| East Anglian Project Management Ltd | Professional & scientific | 2020 |
| East Anglian Roofing and Cladding Limited | Construction | 2025 |
| East Coast Holiday Maintenance Limited | Information & communication | 2025 |
| East Coast Mobile Conversions Ltd | Manufacturing | 2025 |
| East Coast Motorhomes Ltd | Administrative & support | 2020 |
| East Coast Veterinary Services Ltd | Professional & scientific | 2020 |
| East Grove Residents Association (1995) Limited | Households | 1995 |
| East Harling Chemist Limited | Wholesale & retail | 2013 |
| East Harling Dental Care Ltd | Health & social care | 2022 |
| Eastern Adaptations Limited | Construction | 2017 |
| Eastern Builders Limited | Construction | 2013 |
| Eastern Contractors Holding Ltd | Financial services | 2022 |
| Eastern Doors Ltd | Construction | 2007 |
| Eastern Electrical Contractors (Norfolk) Ltd | Construction | 2022 |
| Eastern Electrical Contractors Ltd | Construction | 2015 |
| Eastern GAS Ltd | Construction | 2014 |
| Eastern Guttering Ltd | Construction | 2016 |
| Eastern Multi-Academy Trust | Education | 2010 |
| Eastern Star Restaurant Ltd | Hospitality | 2012 |
| Eastland House Ltd | Real estate | 1981 |
| Easy Sofas and Wardrobes Ltd | Wholesale & retail | 2022 |
| Easy-Fit Conservatory Roof Systems Ltd | Construction | 2017 |
| Easywall Limited | Construction | 2006 |
| Eaton Care Group Limited | Professional & scientific | 2025 |
| Eaton Surgical Services Ltd | Health & social care | 2020 |
| Ebrima Limited | Construction | 2025 |
| Eccles Developments Limited | Construction | 2020 |
| Eco-Cycle (Europe) Limited | Extraterritorial | 2024 |
| Eco-Cycle Waste Management Limited | Water & waste | 2024 |
| Ecolodgic Ltd | Construction | 2014 |
| Ecological Homes Limited | Extraterritorial | 2017 |
| Economy Flooring Ltd | Wholesale & retail | 2010 |
| Economy Plant Hire and Aggregate Ltd | Administrative & support | 2020 |
| Economy Timber Limited | Wholesale & retail | 2015 |
| Ecosmoke Ltd | Wholesale & retail | 2017 |
| Ecowise Renewables Limited | Construction | 2022 |
| ED Rollings Associates Limited | Professional & scientific | 2018 |
| EDC Healthcare Limited | Health & social care | 2023 |
| Eddiecat Holdings Limited | Real estate | 2025 |
| EDEN4CARE Ltd | Health & social care | 2022 |
| Edge Media KL Limited | Information & communication | 2025 |
| Edinburgh Court Management Limited | Households | 1987 |
| Edmonton Estates Limited | Real estate | 2009 |
| Edtech Systems Ltd | Education | 2021 |
| Edufit Limited | Education | 2014 |
| Edwards (KL) Limited | Real estate | 1992 |
| Edwards and SON Professional Decorators Ltd | Construction | 2025 |
| Edwards Egan Developments Ltd | Construction | 2023 |
| Edwin Seaman Farms Development Limited | Construction | 2023 |
| EES Management Services Limited | Professional & scientific | 2015 |
| Egis Painting & Co Ltd | Construction | 2020 |
| Egis Trans Limited | Transport & logistics | 2020 |
| EH Haylage Limited | Agriculture & fishing | 2026 |
| EHP Heating Ltd | Construction | 2016 |
| Eighty SIX Co Living Limited | Real estate | 2025 |
| Eipd Ltd | Real estate | 2025 |
| EK Intimacy Ltd | Information & communication | 2022 |
| Ekam Kara Limited | Real estate | 2024 |
| EKO Homes Ltd | Construction | 2015 |
| EKO Homes SVP Ltd | Construction | 2020 |
| EKO Homes Wicken Ltd | Construction | 2024 |
| Elandra Group Ltd | Professional & scientific | 2025 |
| Elandra PUB Co Ltd | Hospitality | 2026 |
| Elder Farm Investments Limited | Financial services | 2022 |
| Elecspur Ltd | Construction | 2019 |
| Electraquip Limited | Wholesale & retail | 2009 |
| Electrical Design Installations Limited | Construction | 2014 |
| Electrical Engineering Services (GB) Limited | Construction | 2007 |
| Electro-Mag Limited | Manufacturing | 1993 |
| Elements Health and Well-Being (Norfolk) Limited | Arts & recreation | 2022 |
| Eliam Properties Ltd | Real estate | 2023 |
| Eligijo Sport System Ltd | Transport & logistics | 2021 |
| Elisavas Ltd | Financial services | 2025 |
| Elite AID Ltd | Health & social care | 2025 |
| Elite Detectives Limited | Administrative & support | 2020 |