| E4! Clex Solutions Limited | Information & communication | 2011 |
| E6WEBSOLUTIONSWITHAI Limited | Information & communication | 2026 |
| EA Advisors Ltd | Financial services | 2014 |
| EA HAS Ltd | Real estate | 2023 |
| EA Jigsaw Care Limited | Real estate | 2019 |
| EA51RUB Limited | Information & communication | 2025 |
| EAA UK Group Limited | Construction | 2023 |
| Eachotha. Limited | Financial services | 2014 |
| Eador Limited | Hospitality | 2013 |
| Eady Management Services Limited | Professional & scientific | 2022 |
| Eagle Artisan Ltd | Construction | 2022 |
| Eagle Auto Repairs Limited | Wholesale & retail | 2025 |
| Eagle Chariot Autos Limited | Wholesale & retail | 2025 |
| Eagle Education Advisor (PVT) Limited | Education | 2025 |
| Eagle EYE Electrical Ltd | Manufacturing | 2019 |
| Eagle Information Technology Ltd | Information & communication | 2015 |
| Eagle Infotech Limited | Real estate | 2021 |
| Eagle Investment Company(Uk) Ltd | Wholesale & retail | 2014 |
| Eagle Irrigation & Landscaping Ltd | Administrative & support | 2023 |
| Eagle Lighting Electrical Ltd | Construction | 2021 |
| Eagle MOT Centre Morden Limited | Wholesale & retail | 2012 |
| Eagle Pictures UK Limited | Information & communication | 2010 |
| Eagle Property Care Ltd | Construction | 2024 |
| Eaglecobb Limited | Construction | 1990 |
| Eagles FC Limited | Professional & scientific | 2020 |
| Eagles Football Academy Ltd | Professional & scientific | 2014 |
| Eagles Rental Ltd | Administrative & support | 2019 |
| Eaglestone Building Limited | Construction | 2018 |
| Eaglett Limited | Administrative & support | 2018 |
| EAL Holdings Limited | Other services | 2021 |
| Ealing Gastrosurgery Limited | Health & social care | 2015 |
| Ealing Homecare Ltd | Health & social care | 2018 |
| Ealing Personal Training Ltd | Arts & recreation | 2006 |
| EAN Cafe Ltd | Wholesale & retail | 2025 |
| EAR Ease Limited | Health & social care | 2022 |
| EAR Expert Clinic Limited | Wholesale & retail | 2026 |
| Earl Kendrick (London & South) Limited | Professional & scientific | 2019 |
| Earl Kendrick Associates (North) Limited | Real estate | 2018 |
| Earl Kendrick Associates (South) Limited | Real estate | 2018 |
| Earl Kendrick Associates (West) Limited | Real estate | 2019 |
| Earl Kendrick Associates Limited | Real estate | 2010 |
| Earl Kendrick Interior Design Limited | Construction | 2022 |
| Earley Valeting Service Ltd | Wholesale & retail | 2025 |
| Earls Consulting Limited | Extraterritorial | 2010 |
| Earlsmead Management Consultants Limited | Real estate | 2015 |
| Early Years Nurseries Limited | Health & social care | 2025 |
| Earlystars Childcare Ltd | Education | 2026 |
| Earnps Limited | Hospitality | 2003 |
| Earology London Ltd | Wholesale & retail | 2025 |
| Earplugshop Limited | Administrative & support | 2012 |
| Ears PLC | Information & communication | 1999 |
| Earth Diamonds Ltd | Wholesale & retail | 2024 |
| Earth Linkways Ltd | Wholesale & retail | 2025 |
| Earth Routes Ltd | Professional & scientific | 2012 |
| Earthcraft Driveway Limited | Administrative & support | 2018 |
| Earthlink Consultants Limited | Administrative & support | 2014 |
| Earthlink International Ltd | Education | 2019 |
| Earthmere Limited | Real estate | 1992 |
| Earthstone Holdings Limited | Real estate | 2024 |
| Earthtone Investments Ltd | Real estate | 2025 |
| Easan & Parvathy Limited | Construction | 2023 |
| Easan Properties Limited | Real estate | 2025 |
| East Anglia Healthcare Ltd | Administrative & support | 2018 |
| East Court Farm Ltd | Agriculture & fishing | 2021 |
| East Herts Gymnastics Club Limited | Arts & recreation | 2023 |
| East London Picture Company Ltd | Information & communication | 2024 |
| East Tech Limited | Information & communication | 2017 |
| East View Assets & Investments Ltd | Real estate | 2022 |
| East View Assets LLP | | 2017 |
| Eastate Properties Limited | Real estate | 2025 |
| Eastbrook Hall Management Company Limited | Real estate | 2005 |
| Eastbrook Village East Phase 1 (Site H) Management Company Limited | Households | 2022 |
| Eastbury Avenue Ltd | Real estate | 2018 |
| Eastcote Investment Developments Limited | Real estate | 2016 |
| Easterbray Ltd | Administrative & support | 2014 |
| Eastern Commercial Limited | Real estate | 2016 |
| Eastern District Limited | Construction | 2012 |
| Eastern Pride Properties Limited | Real estate | 2021 |
| Eastfield Side Store Limited | Wholesale & retail | 2025 |
| Eastimate Services Limited | Administrative & support | 2014 |
| Eastlines Ltd | Transport & logistics | 2009 |
| Eastmay Ltd. | Administrative & support | 2020 |
| Eaststream Limited | Real estate | 2014 |
| Eastwood Community Football Club CIC | Arts & recreation | 2014 |
| Easy Accountancy Ltd. | Professional & scientific | 2002 |
| Easy Build London Ltd | Construction | 2015 |
| Easy Jewellery Limited | Extraterritorial | 2004 |
| Easy Learning Ltd | Education | 2006 |
| Easy PCO Limited | Other services | 2025 |
| Easy Return Ltd | Professional & scientific | 2003 |
| Easy Solutions Consultancy Ltd | Information & communication | 2021 |
| Easy Way Trans Ltd | Transport & logistics | 2026 |
| Easybooks Incorporated Limited | Professional & scientific | 2012 |
| Easybuild Recruitment Ltd | Administrative & support | 2025 |
| Easycare Professional Consulting Ltd | Information & communication | 2010 |
| Easyway Vehicle Hire Ltd | Other services | 2022 |
| Easywellbeing Limited | Wholesale & retail | 2007 |
| EAT in Curry Limited | Hospitality | 2019 |
| Eatery & Catery Ltd | Hospitality | 2024 |
| Eating Healthy Limited | Hospitality | 2014 |