| Easi-Plan Limited | Real estate | 2025 |
| Easilocks Hair Limited | Administrative & support | 2015 |
| East London and Essex Digital CIC | Information & communication | 2023 |
| East Space Projects Limited | Construction | 2025 |
| Eastern Counties Football League Limited | Arts & recreation | 2007 |
| Eastern Oriental Chinese Restaurant Ltd | Hospitality | 2019 |
| Eastman Enterprises Limited | Other services | 2023 |
| Eastside Building & Maintenance Ltd | Construction | 2013 |
| Eastside Contracting Services Limited | Construction | 2010 |
| Eastside Mews Management Limited | Households | 2007 |
| Eastway Garage Doors Limited | Construction | 2018 |
| Eastwells' Limited | Real estate | 1939 |
| Eastwest (Europe) Limited | Other services | 2014 |
| Easy Advertise Ltd | Professional & scientific | 2020 |
| Easy AS AI Ltd | Information & communication | 2025 |
| Eatmore Fruit & VEG Ltd | Wholesale & retail | 2019 |
| Eaton Gate Developments Limited | Construction | 2012 |
| Eaton Mayfair Limited | Professional & scientific | 2009 |
| Eazee Properties Ltd | Real estate | 2013 |
| Eazystore (UK) Ltd | Transport & logistics | 2011 |
| EB Gynaecology Limited | Health & social care | 2025 |
| EBM Partners Limited | Administrative & support | 2025 |
| EBO99 Logistics Ltd | Transport & logistics | 2021 |
| Ebony Door Ltd | Households | 2021 |
| Ebony Healthcare Services Limited | Health & social care | 2014 |
| EBZ Properties Ltd | Real estate | 2023 |
| EC Controls Ltd | Construction | 2025 |
| ECA & Sons Transport Ltd | Transport & logistics | 2015 |
| Echo Vision Consulting Ltd | Professional & scientific | 2023 |
| Eclipse Cricket Consultancy Ltd | Education | 2021 |
| Eclipse Resourcing Ltd | Administrative & support | 2024 |
| Eco Associates Worldwide Limited | Wholesale & retail | 2009 |
| Eco Best Solutions Ltd | Construction | 2024 |
| Eco Cable Ltd | Construction | 2025 |
| Eco Friendsheep Limited | Wholesale & retail | 2023 |
| Eco Orange Construction Ltd | Construction | 2021 |
| Ecoedge Ltd | Professional & scientific | 2023 |
| Ecofit Heating Ltd | Construction | 2013 |
| Ecommerce Empire Limited | Wholesale & retail | 2025 |
| Ecommerce Trade Ltd | Wholesale & retail | 2010 |
| Ecotherm Exteriors Ltd | Construction | 2025 |
| Ecothermsolutions Ltd | Energy | 2025 |
| Eden Estate Maintenance Limited | Administrative & support | 2003 |
| Eden Homes and Apartments Ltd | Hospitality | 2021 |
| Eden Project Management Consulting Ltd | Information & communication | 2019 |
| Edison Fabrication Limited | Manufacturing | 2005 |
| Edudeck Limited | Information & communication | 2026 |
| EDW Group Limited | Extraterritorial | 2025 |
| EDW Security Limited | Extraterritorial | 2025 |
| Edward Senior Associates Limited | Education | 2005 |
| Edwards Bonett Developments Ltd | Construction | 2023 |
| Edwards Bonett Limited | Real estate | 2019 |
| Edwin Healthcare Ltd | Administrative & support | 2021 |
| EDY SC Limited | Transport & logistics | 2014 |
| EET Holding Group Ltd | Financial services | 2025 |
| Effecting Change Ltd | Professional & scientific | 2013 |
| Efficient Building Services Limited | Administrative & support | 2025 |
| EG Accountancy Limited | Professional & scientific | 2012 |
| EGE Capital Ltd | Professional & scientific | 2024 |
| Ego-Free Community CIC | Health & social care | 2026 |
| EH Assets Ltd | Administrative & support | 2023 |
| EH Energy Developments Limited | Professional & scientific | 2019 |
| EH Site Temps Services Ltd | Construction | 2018 |
| EHG - Travel Ltd | Administrative & support | 2022 |
| EHL Estates Limited | Real estate | 2022 |
| Ehsan Afzal Consultant Ltd | Financial services | 2023 |
| Eich Online | Education | 2016 |
| EIS Projects Ltd | Construction | 2018 |
| EJ Builders Ltd | Construction | 2005 |
| EJL London Ltd | Professional & scientific | 2015 |
| EJN Consultancy Ltd | Professional & scientific | 2019 |
| EJN Property Developers Ltd | Construction | 2020 |
| EJN Property Management Ltd | Real estate | 2022 |
| Ekam Property Partners Ltd | Wholesale & retail | 2025 |
| Ekki Limited | Professional & scientific | 2021 |
| Ekon Group Ltd | Construction | 2018 |
| Eksie Ltd | Professional & scientific | 2020 |
| El-Shaddai Consulting Ltd | Information & communication | 2011 |
| Elan Fire & Security Group Limited | Construction | 2014 |
| Elco Heating Solutions Limited | Professional & scientific | 2007 |
| Electric V Limited | Construction | 2020 |
| Electrical Project Solutions Ltd | Construction | 2023 |
| Electrical Recruitment Solutions Ltd | Administrative & support | 2025 |
| Electriserve London Ltd | Extraterritorial | 2023 |
| Electriserve Ltd | Construction | 2015 |
| Electrolysis Transformations Ltd | Other services | 2024 |
| Electronic Power Systems Limited | Manufacturing | 1996 |
| Electropages Business Media Limited | Information & communication | 2026 |
| Electropages Media Limited | Information & communication | 2003 |
| Electrosafe Limited | Construction | 1992 |
| Eledan Ltd | Health & social care | 2019 |
| Elevate Equestrian Buildings and Garden Rooms Ltd | Construction | 2024 |
| Elevate Medical Learning Limited | Education | 2024 |
| Elevate Rope Access 247 Ltd | Administrative & support | 2026 |
| Elevation House Ltd | Professional & scientific | 2025 |
| Elgin House Management (Brentwood) Limited | Households | 2014 |
| Elhawary Group Ltd | Wholesale & retail | 2023 |
| Eligible Introductions Ltd | Other services | 2019 |
| Elite BUS Bar Services Ltd | Construction | 2023 |
| Elite Business Consultants Ltd | Professional & scientific | 2024 |