| Easy IT Links Ltd | Information & communication | 2024 |
| Easy Ledger Ltd | Professional & scientific | 2022 |
| Easy Property Group Limited | Real estate | 2017 |
| Easy Wine (UK) Limited | Wholesale & retail | 2022 |
| Easyhaul Logistics Ltd | Transport & logistics | 2025 |
| Easyheat Central Heating Ltd | Construction | 2019 |
| Easymode Ltd | Information & communication | 2025 |
| Easypack/Pop Displays Group Limited | Manufacturing | 2010 |
| EAT & Sweet Caribbean Food Ltd | Hospitality | 2009 |
| Eaton Business Holdings Ltd | Professional & scientific | 2026 |
| Eaton Square Property Investment Limited | Real estate | 2021 |
| Eaves Property Developments Ltd | Real estate | 2025 |
| EB Coaching Ltd | Other services | 2023 |
| Ebac Industrial Holdings Ltd | Financial services | 2019 |
| Ebbdyne Limited | Households | 1995 |
| Ebben Nursery Limited | Agriculture & fishing | 2021 |
| Ebcc Limited | Information & communication | 2020 |
| Ebiz Solution IT Ltd | Information & communication | 2025 |
| Eboracum Energy Studio Ltd | Construction | 2025 |
| Ebrash Shop Ltd | Wholesale & retail | 2025 |
| Ebrl - Eco Builds & Renewables Ltd | Construction | 2009 |
| EBUSINESS4SALE.COM Limited | Information & communication | 2023 |
| EC Associate Partners Limited | Professional & scientific | 2024 |
| EC Corporate Ltd | Administrative & support | 2014 |
| ECC Nominees Limited | Professional & scientific | 2008 |
| Echo Barrier Limited | Administrative & support | 2010 |
| Echo Solutions Ltd | Health & social care | 2023 |
| Echo Sunny Limited | Wholesale & retail | 2025 |
| Echopay Technology Ltd | Information & communication | 2021 |
| ECL Management 2011 Limited | Real estate | 2024 |
| Eclectic IT Ltd | Administrative & support | 2017 |
| Eclectic Space Ltd | Energy | 2008 |
| Eclipse Management Limited | Construction | 2005 |
| ECM (EA) Limited | Construction | 2004 |
| Eco Labels Ltd | Manufacturing | 2023 |
| Eco Smart Irrigation Limited | Information & communication | 2024 |
| Eco Vita Global Ltd | Wholesale & retail | 2026 |
| Ecodazzles Cleaning Services Ltd | Administrative & support | 2025 |
| Ecofig Limited | Manufacturing | 2023 |
| Ecolo Synergy Stratford Limited | Manufacturing | 2024 |
| Ecom Grind Ltd | Wholesale & retail | 2021 |
| Ecompare Limited | Information & communication | 2018 |
| Economingle Limited | Wholesale & retail | 2025 |
| Ecoprams Limited | Manufacturing | 2013 |
| Ecorangers CIC | Education | 2025 |
| Ecorate Limited | Professional & scientific | 2026 |
| Ecorays Ltd | Wholesale & retail | 2025 |
| Ecosted Limited | Construction | 2023 |
| Ecotic Ltd | Wholesale & retail | 2018 |
| ECT Support Services Ltd | Education | 2025 |
| ED Materials Ltd | Information & communication | 2023 |
| ED Professional Services Ltd | Professional & scientific | 2022 |
| ED Scobie Landscape Ltd | Professional & scientific | 2024 |
| Edbit Limited | Information & communication | 2000 |
| Edby Ltd | Wholesale & retail | 2024 |
| Eddie B Ltd | Professional & scientific | 2022 |
| Eddie Ryan Drum Company Limited | Manufacturing | 2023 |
| Eden Mayers Limited | Administrative & support | 2014 |
| Eden Property Network Ltd | Real estate | 2022 |
| Eden Solar Consultants Limited | Professional & scientific | 2022 |
| Eden UK Clinical Services Limited | Health & social care | 2015 |
| Edenlo Ltd | Construction | 2009 |
| Edensfield Technologies Limited | Wholesale & retail | 2020 |
| Edge of Coaching Ltd | Professional & scientific | 2022 |
| Edge Technology Group Limited | Information & communication | 2026 |
| Edgepoint Ltd | Wholesale & retail | 2025 |
| EDGEWORKS3D Limited | Manufacturing | 2026 |
| Edit & Joy Ltd | Administrative & support | 2025 |
| Edmond Harcourt Ltd | Professional & scientific | 2022 |
| Edmund Wolf Properties Limited | Real estate | 2017 |
| Edmunds Cabs Ltd | Transport & logistics | 2026 |
| Edmunds Care Limited | Health & social care | 2017 |
| Edmunds Trading Ltd | Financial services | 2025 |
| EDU Moments Ltd | Information & communication | 2018 |
| EDUCAT10N One Ltd | Education | 2023 |
| Educate Africa Ltd | Financial services | 2024 |
| Educate East Ltd | Administrative & support | 2026 |
| Educate Network Ltd | Administrative & support | 2019 |
| Educate With IT Ltd | Information & communication | 2024 |
| Education Pathway Mindset Limited | Education | 2024 |
| Educationall Ltd | Education | 2024 |
| Educoncept Group Limited | Education | 2022 |
| Edward and James Web Solutions Limited | Information & communication | 2024 |
| Edward Crushing & Recycling Ltd | Water & waste | 2026 |
| Edward Oliver Inns Limited | Hospitality | 2003 |
| Edward Spreull Limited | Information & communication | 2025 |
| Edwards Landscapes and Fencing Ltd | Construction | 2024 |
| Edwards Strategies Ltd | Financial services | 2025 |
| EE MGT Ltd | Professional & scientific | 2025 |
| EE Music Limited | Information & communication | 1987 |
| EE V1 Management Ltd | Professional & scientific | 2023 |
| Ee&Pd Limited | Construction | 2025 |
| Eezih Retail Ltd | Wholesale & retail | 2025 |
| Eezybike Ltd | Administrative & support | 2021 |
| EF Management Ltd | Arts & recreation | 2024 |
| EFC Apex Holdings Limited | Extraterritorial | 2025 |
| EFC Apex Limited | Extraterritorial | 2025 |
| Efficient to Effective Limited | Professional & scientific | 2010 |
| Effio Ltd | Professional & scientific | 2019 |
| Eflow Labs Ltd | Professional & scientific | 2024 |