| DZ Nolte Limited | Health & social care | 2016 |
| Dzak Limited | Other services | 2024 |
| E & B Build Limited | Construction | 2012 |
| E & J Domestic Services Ltd | Administrative & support | 2022 |
| E a Zacharia Ltd | Health & social care | 2021 |
| E C Dunn Limited | Administrative & support | 2001 |
| E FRY Consultancy Limited | Other services | 2010 |
| E O Creamery Limited | Hospitality | 2019 |
| E&E Scaffolding Ltd | Construction | 2023 |
| E&F Studios Ltd | Construction | 2022 |
| E&M Electrical Ltd | Construction | 2022 |
| E-Arch Limited | Extraterritorial | 2018 |
| E-Auto Charge Limited | Construction | 2021 |
| E-Commerce by Hayee Limited | Wholesale & retail | 2025 |
| E-Fit Interiors Limited | Construction | 2008 |
| E. and V. Jones (Butchers) Limited | Wholesale & retail | 1975 |
| E.And W.Hopkins Limited | Wholesale & retail | 1938 |
| E.S and Sons Ltd | Financial services | 2023 |
| E.S Structures Ltd | Construction | 2016 |
| E.W.S.N. Consulting Ltd | Wholesale & retail | 2014 |
| EA Creators Ltd | Professional & scientific | 2026 |
| Eagle Nest Skip Hire Ltd | Water & waste | 2022 |
| Eaglespeed International Logistics Ltd | Transport & logistics | 2022 |
| EAI (London) Limited | Information & communication | 2018 |
| Ease Investments Ltd | Construction | 2019 |
| East London Nest Limited | Real estate | 2020 |
| East Sussex Inns Ltd | Hospitality | 2025 |
| EAST2WEST Distribution Ltd | Wholesale & retail | 2025 |
| Eastbrook View Ltd | Arts & recreation | 2012 |
| Eastbrookend Country Park Tea Room Ltd | Hospitality | 2016 |
| Eastern Square (Essex) Limited | Construction | 2001 |
| Eastern Timber Merchant Ltd | Wholesale & retail | 2025 |
| Eastman Electrics Ltd | Manufacturing | 2013 |
| Eastman of Yorkshire Limited | Manufacturing | 2015 |
| Eastmark Group Limited | Manufacturing | 2026 |
| Easycare Bathrooms Limited | Construction | 2025 |
| Easydor Limited | Transport & logistics | 2018 |
| Easyfires Limited | Real estate | 2025 |
| EAT FAB Ltd | Hospitality | 2023 |
| Eaton Install Ltd | Construction | 2022 |
| Eatwaves Ltd | Manufacturing | 2023 |
| EAW Media and Consulting Ltd | Professional & scientific | 2022 |
| EB Contractors Limited | Construction | 2016 |
| EBJ Ecommerce Ltd | Wholesale & retail | 2024 |
| Ebsworth Estates Ltd | Real estate | 2018 |
| ECE Building Services Limited | Construction | 2015 |
| ECE Property Developments Limited | Real estate | 2024 |
| ECHELON35 Consulting Limited | Professional & scientific | 2022 |
| Eclectic Photographic Ltd | Professional & scientific | 2024 |
| ECN Contracts Limited | Construction | 2020 |
| Eco Energy Distribution Ltd | Wholesale & retail | 2025 |
| Eco Fire Doors Ltd | Construction | 2021 |
| Eco Fire Protection Ltd | Construction | 2020 |
| Eco Mobility Solutions Ltd | Administrative & support | 2025 |
| Eco Organic Logistics Ltd | Hospitality | 2026 |
| Eco Solutions and Building Ltd | Construction | 2025 |
| Eco Solutions Holdings Ltd | Financial services | 2025 |
| Eco Studio Limited | Administrative & support | 2011 |
| Ecofit Solutions Ltd | Construction | 2018 |
| Economic Growth and Resilience Ltd | Professional & scientific | 2025 |
| Ecosmart Loft Insulation Solutions Ltd | Construction | 2025 |
| Ecss Properties Ltd | Real estate | 2026 |
| Ecton House Limited | Hospitality | 2018 |
| ED Carpentry Ltd | Construction | 2023 |
| EDB Consultancy Services Ltd | Other services | 2020 |
| Eddy Grimstead Group Limited | Professional & scientific | 1997 |
| Eddy Motorcycle Consultants Limited | Other services | 2019 |
| Eddy Rose Property Limited | Real estate | 1999 |
| Edeh Ventures Ltd | Real estate | 2025 |
| Eden Essentials Ltd | Wholesale & retail | 2020 |
| Eden Slate Limited | Information & communication | 2014 |
| Edi's Auto Limited | Wholesale & retail | 2021 |
| Edisoni Maintenance Ltd | Construction | 2023 |
| Edmonds & Co (Accountants) Limited | Professional & scientific | 2000 |
| Edmonds & Turner Ltd | Wholesale & retail | 2003 |
| Educate 1 Network Ltd | Information & communication | 2025 |
| Educational Office Supplies Limited | Wholesale & retail | 2023 |
| Edward James Cook Limited | Manufacturing | 2024 |
| Edwards and Long Limited | Agriculture & fishing | 2021 |
| Edwards Event Catering Limited | Hospitality | 2025 |
| Edy's Handyman Services Limited | Construction | 2022 |
| EGC Concept Ltd | Administrative & support | 2025 |
| EGK Solutions Ltd | Construction | 2018 |
| EHJ Trading Ltd | Arts & recreation | 2015 |
| Ehsas Invest Ltd | Financial services | 2007 |
| Einherjar Associates Limited | Professional & scientific | 2021 |
| Ejaa Ltd | Real estate | 2012 |
| EK (Essex) Limited | Arts & recreation | 2014 |
| EK Catering Group Limited | Hospitality | 2024 |
| EK Parent Limited | Financial services | 2024 |
| Ekadasa Square Ltd | Real estate | 2023 |
| Ekma Properties Limited | Real estate | 2026 |
| Ekow Eshun Ltd | Information & communication | 2003 |
| EL Churro Company Limited | Hospitality | 2022 |
| ELA Roofing Ltd | Construction | 2025 |
| Elangos LLP | | 2020 |
| Elbourne Property Services Ltd | Real estate | 2019 |
| Electeck Services Limited | Manufacturing | 2013 |
| Electrical & Plumbing Corporation Limited | Construction | 2001 |
| Electrical Inspections Limited | Professional & scientific | 2021 |