| Enfield Fish Market Ltd | Wholesale & retail | 2015 |
| Enfield Flooring Ltd | Construction | 2026 |
| Enfield Food & Wine Ltd | Wholesale & retail | 2019 |
| Enfield Food Hall Ltd | Wholesale & retail | 2020 |
| Enfield Food Store Limited | Wholesale & retail | 2016 |
| Enfield Football Club Limited | Arts & recreation | 2007 |
| Enfield Fried Chicken Ltd | Hospitality | 2023 |
| Enfield Golf Club Trading Limited | Arts & recreation | 2016 |
| Enfield Grammar School | Education | 2011 |
| Enfield Health & Wellbeing Services C.I.C. | Other services | 2018 |
| Enfield Heating Services Ltd | Construction | 2018 |
| Enfield Hscp | Other services | 2014 |
| Enfield Installations Limited | | 1984 |
| Enfield Kebab & Pizza Ltd | Hospitality | 2022 |
| Enfield Kitchens and Bathrooms Limited | Other services | 2014 |
| Enfield Kuzzey Sign & Print Ltd | Manufacturing | 2025 |
| Enfield Marble Limited | Construction | 2021 |
| Enfield Meat Ltd | Wholesale & retail | 2024 |
| Enfield Nails Ltd | Other services | 2023 |
| Enfield North London Senior Care Holdings Ltd | Financial services | 2023 |
| Enfield Okey EVI Ltd | Hospitality | 2026 |
| Enfield Performing Arts Limited | Real estate | 2025 |
| Enfield Property Services Limited | Professional & scientific | 1984 |
| Enfield Property Solutions Limited | Professional & scientific | 2010 |
| Enfield Rangers Youth Football Club | Arts & recreation | 2017 |
| Enfield Removals Limited | Transport & logistics | 2022 |
| Enfield Repair Centre Ltd | Other services | 2024 |
| Enfield Solicitors Limited | Professional & scientific | 2017 |
| Enfield Tiles Centre Ltd | Wholesale & retail | 2017 |
| Enfield Town FC Community Sports Development Ltd | Arts & recreation | 2017 |
| Enfield Valeting Ltd | Administrative & support | 2022 |
| Enfield Vape Centre Ltd | Wholesale & retail | 2024 |
| Enfield VEG & Fruits Ltd | Wholesale & retail | 2022 |
| Enfield VEG Co Limited | Agriculture & fishing | 2014 |
| Enfield Waverley CRT RTM Company Ltd | Households | 2025 |
| Enfield Wellbeing Initiative Limited | Other services | 2024 |
| Enfield Windows Ltd | Construction | 2012 |
| Enford Limited | Wholesale & retail | 2016 |
| Engin Gayrimenkul Ltd | Professional & scientific | 2023 |
| Engin Properties Ltd | Construction | 2025 |
| Enhk Limited | Hospitality | 2024 |
| Enies Properties Limited | Real estate | 2024 |
| Enikion Limited | Real estate | 2023 |
| Enka Tour Ltd | Administrative & support | 2019 |
| Enkay RAW Meat Ltd | Wholesale & retail | 2022 |
| Enki Architecture Limited | Professional & scientific | 2020 |
| ENKO24 Ltd | Other services | 2025 |
| Enlighten Community Care Ltd | Health & social care | 2022 |
| Enlighty Limited | Information & communication | 2025 |
| Ennyblac Limited | Other services | 2022 |
| Enough Bespoke Jewellery Ltd | Manufacturing | 2024 |
| ENP Projects UK Ltd | Professional & scientific | 2022 |
| Enrose Estate & Lettings Agents Ltd | Real estate | 2025 |
| Ensia Construction Ltd | Construction | 2020 |
| Enter Security Ltd | Administrative & support | 2025 |
| Enterchoice Limited | Information & communication | 1974 |
| Enterline Limited | Professional & scientific | 2016 |
| Enticing Events Ltd | Other services | 2014 |
| Enugu Ezike Diaspora Organisation Ltd. | Education | 2021 |
| Enviro-Safety Consultancy Ltd | Construction | 2021 |
| Environ Groundworks Ltd | Extraterritorial | 2012 |
| Environ Water Solutions Limited | Other services | 2019 |
| Environmental Cleaning and Maintenance Services Ltd | Administrative & support | 2021 |
| Envirostat Limited | Professional & scientific | 2010 |
| Envora Ltd | Wholesale & retail | 2026 |
| Envy Beauty London Ltd | Other services | 2022 |
| Epeius Design Ltd | Professional & scientific | 2025 |
| Epelle Management Consultancy Limited | Professional & scientific | 2008 |
| Epic Marketing Solutions Ltd | Information & communication | 2018 |
| EPK Consulting Ltd | Professional & scientific | 2024 |
| Epos Technologies Limited | Professional & scientific | 2010 |
| Epping Kebab Limited | Hospitality | 2017 |
| Equalcrown Limited | Real estate | 1990 |
| Equigrow Limited | Manufacturing | 2011 |
| Equine Welfare Limited | Agriculture & fishing | 2013 |
| Equinox A&D Ltd | Professional & scientific | 2020 |
| Equity Release Hub Limited | Financial services | 2025 |
| Equo Equi Limited | Real estate | 2024 |
| Eray Ayaz Ltd | Wholesale & retail | 2026 |
| Eray Esmira Ltd | Hospitality | 2024 |
| Erbc Golf Emporium Limited | Wholesale & retail | 2020 |
| Erbil Construction Ltd | Construction | 2020 |
| Erbiller Angel Ltd | Wholesale & retail | 2017 |
| Erbiller Kingsland Limited | Real estate | 2001 |
| Erbiller UK Ltd | Real estate | 2023 |
| ERC Logistics Ltd | Transport & logistics | 2023 |
| ERD Catering Ltd | Hospitality | 2025 |
| Erd.Supply Ltd | Wholesale & retail | 2026 |
| Erdeli Interiors Ltd | Construction | 2020 |
| Erdil Patisserie Limited | Manufacturing | 2021 |
| Erdogan Property Ltd | Real estate | 2019 |
| Erem Properties Limited | Real estate | 2024 |
| Erem Residentials Ltd | Real estate | 2025 |
| Eren Barbershop Limited | Other services | 2025 |
| Ereneya Limited | Real estate | 2025 |
| Erenler Properties Ltd | Real estate | 2014 |
| Erenown Ltd | Wholesale & retail | 2020 |
| Ergun Properties Limited | Real estate | 2025 |
| Eric Nails Limited | Other services | 2023 |
| Erisan Limited | Other services | 2011 |