| Ekwis Ltd | Administrative & support | 2016 |
| Ekwis Property Ltd | Real estate | 2021 |
| EL Property Consultancy Ltd | Professional & scientific | 2020 |
| Elawjani Ltd | Health & social care | 2022 |
| Elderbee Limited | Financial services | 2014 |
| Eleanor Beeson Fine Art Ltd | Arts & recreation | 2025 |
| Electric EEL Studios Ltd | Information & communication | 2021 |
| Electric Vehicle Software Systems Limited | Real estate | 2022 |
| Electrical Consolidated Limited | Manufacturing | 1978 |
| Electro Sphere Technologies Ltd | Manufacturing | 2025 |
| Elektric Limited | Construction | 2009 |
| Elembici Ltd | Professional & scientific | 2018 |
| Elemeno Ltd | Information & communication | 2024 |
| Element 3-HEATING Limited | Construction | 2015 |
| Element Law Limited | Professional & scientific | 2009 |
| Elerva Ltd | Professional & scientific | 2015 |
| Elevai Limited | Information & communication | 2025 |
| Elevate Elite Coaching Ltd | Education | 2024 |
| Elevate Girls Football Ltd | Education | 2024 |
| ELI Engineering Ltd | Professional & scientific | 2025 |
| Elias Contracting Ltd | Administrative & support | 2011 |
| Elite Aircraft Consulting Limited | Administrative & support | 2004 |
| Elite Cars (Kent) Ltd | Transport & logistics | 2019 |
| Elite Kentish Properties Limited | Real estate | 2024 |
| Elite Point Ltd | Real estate | 2025 |
| Elite Sizzlers Ltd | Hospitality | 2025 |
| Elizabeth Hammond Limited | Professional & scientific | 2016 |
| Elliott Moss Consulting Ltd | Administrative & support | 2010 |
| Elliston Electrical Ltd | Construction | 2026 |
| Ellogy Ltd | Professional & scientific | 2015 |
| Ellyra Life Sciences Ltd | Information & communication | 2025 |
| Elmo Medical Writing & Editorial Limited | Information & communication | 2011 |
| Elmstead Court (Management) Limited | Households | 1978 |
| Elred Ltd | Information & communication | 2015 |
| ELW Estates Ltd | Households | 2023 |
| ELY Grange Management Limited | Real estate | 1994 |
| Emall Limited | Wholesale & retail | 2024 |
| Embr Tax Ltd | Information & communication | 2026 |
| EMC Academy Limited | Arts & recreation | 2016 |
| Eminent Healthcare Ltd | Health & social care | 2022 |
| Emma Verkaik Consultancy Ltd | Professional & scientific | 2011 |
| Emma Watmough Interiors Ltd | Professional & scientific | 2020 |
| EMP Surveyors Limited | Professional & scientific | 2023 |
| Empire Construction Holdings Limited | Financial services | 2018 |
| Empire Developments Sussex Ltd | Real estate | 2023 |
| Empire Property Group Holdings Limited | Financial services | 2019 |
| Empirical Plumbing and Heating Ltd | Construction | 2022 |
| Empirikon Systems Limited | Information & communication | 2026 |
| Employ Direct Ltd | Information & communication | 2024 |
| EMT Media Ltd | Information & communication | 2012 |
| Enchanted Arcade Ltd | Information & communication | 2024 |
| Encoding Ltd | Information & communication | 2022 |
| End:Or:Fin Limited | Information & communication | 2001 |
| Endobiogenic Medicine Society CIC | Education | 2017 |
| Endofbar Holdings Limited | Financial services | 2023 |
| Energy Test (Commercial) Ltd | Professional & scientific | 2022 |
| Energy Umbrella Limited | Wholesale & retail | 2013 |
| Engage Technology Partners Limited | Information & communication | 2014 |
| Engaging Kent CIC | Administrative & support | 2013 |
| English Constitutional Convention | Other services | 2003 |
| English Lobby | Other services | 2004 |
| English Voice Magazine Limited | Information & communication | 2008 |
| Enix Services Ltd | Administrative & support | 2016 |
| ENJOY2DRIVE Ltd | Education | 2019 |
| Enlightened Tax Advisory Services Ltd | Professional & scientific | 2024 |
| Ensor Interior Design Limited | Professional & scientific | 2011 |
| ENT Care Ltd | Health & social care | 2010 |
| Enterprise Change Management Consulting Ltd | Professional & scientific | 2018 |
| Enterprise Incubator and Consultancy LLP | | 2016 |
| Enterprise Solutions Kent CIC | Health & social care | 2011 |
| Enterprise Technology People Limited | Administrative & support | 2013 |
| Envara Group Limited | Financial services | 2026 |
| Envara Investments Ltd | Financial services | 2026 |
| Enveon.Com Limited | Professional & scientific | 2009 |
| Environment Protection Limited | Construction | 1996 |
| Enviroprint Limited | Manufacturing | 2008 |
| Envirosafe UK Ltd | Professional & scientific | 2006 |
| Envirotech Capital Group Limited | Financial services | 2024 |
| Envirotech Energy Solutions Limited | Administrative & support | 2017 |
| Envirotech Group Ltd | Financial services | 2020 |
| Envo Perform Limited | Health & social care | 2025 |
| Enyu Ltd | Information & communication | 2019 |
| Enzyme Software Limited | Information & communication | 2018 |
| EP & T Global Limited | Administrative & support | 2008 |
| EP Comms Limited | Information & communication | 2016 |
| EP Optimal Consulting Ltd | Professional & scientific | 2016 |
| EPH Group Ltd | Agriculture & fishing | 2019 |
| Epically Digital Ltd | Information & communication | 2025 |
| Equestrian Promotions Ltd | Arts & recreation | 2009 |
| Equilibrium Wealth Limited | Financial services | 2025 |
| Equine Sales Limited | Arts & recreation | 2024 |
| EQUIPE52 Limited | Administrative & support | 2004 |
| Equity Chambers Consulting Limited | Real estate | 2016 |
| Eraclea Consulting Ltd | Information & communication | 2020 |
| Eraclea Housing Ltd | Real estate | 2022 |
| Erasmus Historical and Cultural Research Forum | Other services | 2017 |
| Eric GRC Ltd | Information & communication | 2024 |
| Eridge Park Estate Limited | Extraterritorial | 2010 |
| Eridge Park Farm Shop Limited | Extraterritorial | 2012 |
| Eridge Park Festivals Limited | Extraterritorial | 2009 |