| Eaven Ltd | Wholesale & retail | 2025 |
| Eaves Funeral Service Limited | Extraterritorial | 2002 |
| Eazy Park Limited | Real estate | 2025 |
| EB Arrived Ltd | Real estate | 2024 |
| EB Ledgers Ltd | Professional & scientific | 2024 |
| EB Management Ltd | Households | 2020 |
| EB Mortgage Services Ltd | Financial services | 2024 |
| EBA Sallah Limited | Information & communication | 2015 |
| Ebaig Ltd | Wholesale & retail | 2025 |
| Ebek Storez Limited | Wholesale & retail | 2011 |
| EBEN-EZER1 Ltd | Administrative & support | 2017 |
| Ebenezer Healthcare Limited | Health & social care | 2013 |
| Ebenezer Properties Ltd | Real estate | 2023 |
| Ebenezer Tutors Ltd | Education | 2020 |
| Eberes Ltd | Extraterritorial | 2023 |
| Ebike Escapes Ltd | Wholesale & retail | 2022 |
| Ebloomax Limited | Information & communication | 2025 |
| EBM Civils Limited | Construction | 2021 |
| EBM Creative Consultant Ltd | Professional & scientific | 2023 |
| EBM Lettings Ltd | Real estate | 2024 |
| EBM Property Limited | Real estate | 2025 |
| EBM Resource Limited | Construction | 2025 |
| Ebony Designer Body Models Ltd | Other services | 2012 |
| Ebrasive Vintage Ltd | Wholesale & retail | 2026 |
| EBS Accountants Limited | Professional & scientific | 1999 |
| EBS Engineers Limited | Construction | 2025 |
| EBS Hair Salon and Beauty Ltd | Other services | 2021 |
| EBS Instant Care Limited | Public administration | 2008 |
| Ebuycommerce Ltd | Wholesale & retail | 2023 |
| EBW Builders Ltd | Construction | 2020 |
| EC Electrical Contractors Ltd | Energy | 2026 |
| EC Fibreworks Ltd | Information & communication | 2024 |
| EC Food Group Ltd | Manufacturing | 2021 |
| EC Group (IP) Ltd | Information & communication | 2024 |
| EC Group Enterprises Ltd | Financial services | 2026 |
| EC JOB Limited | Information & communication | 2022 |
| EC Manufacturing Group Ltd | Manufacturing | 2021 |
| EC Retail Ltd | Manufacturing | 2016 |
| ECC IT Solutions Limited | Information & communication | 2025 |
| Ecco Ethical Ltd | Manufacturing | 2025 |
| Eccosheds & Lofts Limited | Manufacturing | 2020 |
| ECD Auto Design UK Ltd | Wholesale & retail | 2021 |
| ECD Transport Ltd | Transport & logistics | 2025 |
| Ecfss Ltd | Public administration | 2025 |
| Echad Services Limited | Administrative & support | 2016 |
| Echelon Corporate Finance Limited | Professional & scientific | 2019 |
| Echo Electrical Services Limited | Construction | 2023 |
| Echo Fire and Security Limited | Construction | 2020 |
| Echo Intelligence Ltd | Financial services | 2025 |
| Echo UK Property Ltd. | Real estate | 2018 |
| Echo WAX Removal Ltd | Health & social care | 2021 |
| Echosoft Solutions Ltd | Information & communication | 2024 |
| ECI Bespoke Solutions Limited | Arts & recreation | 2017 |
| Eckersley Building Services Limited | Construction | 2006 |
| Eclipse Choice Ltd | Arts & recreation | 2024 |
| Eclipse Homecare Limited | Health & social care | 2004 |
| Eclipse Homecare Services Limited | Professional & scientific | 2018 |
| Eclipse Imports Ltd | Wholesale & retail | 2017 |
| Eclipse Recruitment Driving Solutions Ltd | Administrative & support | 2008 |
| Eclipse SBC Limited | Wholesale & retail | 2025 |
| ECM Research Solutions Ltd | Professional & scientific | 2023 |
| Eco Beanz Ltd | Wholesale & retail | 2021 |
| Eco Benchmade Upholstery Ltd | Manufacturing | 2023 |
| Eco Care Ltd | Construction | 2015 |
| Eco Carwash Nottingham Ltd | Administrative & support | 2026 |
| Eco Corp UK Ltd | Construction | 2019 |
| Eco Cycle Operations Ltd | Water & waste | 2020 |
| Eco Efficiency Expert Limited | Construction | 2023 |
| Eco Emission Limited | Construction | 2024 |
| Eco Filters Limited | Manufacturing | 1993 |
| Eco Fire Centres Limited | Construction | 2012 |
| Eco Friendly Buying Ltd | Wholesale & retail | 2018 |
| Eco Green Omega Ltd | Construction | 2022 |
| Eco Hive Solutions Ltd | Construction | 2025 |
| Eco Homes Developers Ltd | Construction | 2016 |
| Eco Horticulture Products Limited | Agriculture & fishing | 2018 |
| Eco Installations Waste Water Specialists Ltd | Water & waste | 2021 |
| Eco Life Design Ltd | Professional & scientific | 2024 |
| Eco Management Services Ltd | Manufacturing | 2025 |
| Eco Passion Limited | Wholesale & retail | 2025 |
| Eco Power Direct Limited | Wholesale & retail | 2022 |
| Eco Roofing and Exteriors Ltd | Construction | 2023 |
| Eco Solar Renewables Ltd | Construction | 2022 |
| Eco Sustainability Ltd | Administrative & support | 2025 |
| Eco Vehicle Leasing Limited | Extraterritorial | 2018 |
| Eco-Bites Ltd | Hospitality | 2024 |
| Eco-Green Grants UK Ltd | Administrative & support | 2020 |
| Eco-Rod Ltd | Water & waste | 2024 |
| Eco-Socialcare Limited | Health & social care | 2020 |
| ECO4 Consultants Limited | Other services | 2023 |
| ECO4 Home Improvements Ltd | Construction | 2024 |
| Ecobooster Ltd | Wholesale & retail | 2022 |
| Ecocatsuk Ltd | Wholesale & retail | 2022 |
| Ecocell Store Ltd | Construction | 2018 |
| Ecoconst Ltd | Construction | 2024 |
| Ecofax Limited | Professional & scientific | 1985 |
| Ecogreen IT Recycling Limited | Water & waste | 2025 |
| Ecohome Buildings Limited | Real estate | 2021 |
| Ecohomes PR 10 Ltd | Construction | 2018 |
| Ecoit Solutions Ltd | Water & waste | 2023 |