| Ecia Consulting Ltd | Professional & scientific | 2024 |
| Eclipse First Engineering Limited | Manufacturing | 1989 |
| Eclipse Hair & Beauty Salon Limited | Other services | 2017 |
| Eco Conservatory Ceilings and Plastering Renovations Ltd | Construction | 2021 |
| Eco Emporium Conservatories & Services Limited | Construction | 2021 |
| Eco Emporium Home Improvements Limited | Construction | 2017 |
| Eco Fast Contractors Limited | Construction | 2026 |
| Eco Fitness Ltd | Arts & recreation | 2012 |
| Eco Force Climate Solutions Ltd | Energy | 2014 |
| Eco GAS Heating & Renewables Ltd | Construction | 2018 |
| Eco Operations Ltd | Professional & scientific | 2025 |
| Eco Power Engineering Solutions Limited | Construction | 2024 |
| Eco Power Facilities Management Limited | Administrative & support | 2023 |
| Eco Power Health and Wellness Clinic Limited | Health & social care | 2022 |
| Eco Power Leisure Group Ltd | Financial services | 2025 |
| Eco Power Metals Limited | Water & waste | 2023 |
| Eco Power Properties Limited | Real estate | 2016 |
| Eco Power Solar Energy Limited | Construction | 2025 |
| Eco Power Tyres Ltd | Wholesale & retail | 2024 |
| Eco Power Water Solutions Ltd | Construction | 2025 |
| Eco Power Wood Fuels Limited | Other services | 2016 |
| Eco Resin Supplies Ltd | Wholesale & retail | 2025 |
| Eco Security Technology Limited | Manufacturing | 2023 |
| Eco Surveying Services Ltd | Professional & scientific | 2025 |
| Eco-Green-Goods LLP | | 2018 |
| Eco-Power Environmental Group Limited | Professional & scientific | 2014 |
| Eco-Power Environmental Holdings Limited | Professional & scientific | 2017 |
| Eco-Power Environmental Limited | Water & waste | 2013 |
| Eco-Power Haulage Limited | Water & waste | 2021 |
| Eco-Power Infinity Limited | Construction | 2025 |
| Eco-Power Skips Limited | Water & waste | 2020 |
| Eco-Railfreight Limited | Real estate | 2019 |
| Eco-Tec Solutions Ltd | Professional & scientific | 2013 |
| Ecobility Ltd | Construction | 2015 |
| Ecobuild (Yorkshire) Ltd | Construction | 2024 |
| Ecobuild Renovations Ltd | Construction | 2024 |
| Ecobuild Structural Joinery Installations Ltd | Construction | 2022 |
| Ecoclad Thermal Insulation Ltd | Construction | 2025 |
| Ecofit Renewables Ltd | Other services | 2024 |
| Ecofootprint Limited | Professional & scientific | 2019 |
| Ecogen Renewables Limited | Construction | 2023 |
| Ecohm Services Ltd | Construction | 2023 |
| Ecolect Technical Services UK Ltd | Construction | 2023 |
| Ecological Properties Ltd | Real estate | 2024 |
| Ecologics Technologies Ltd | Wholesale & retail | 2023 |
| Ecomar Ltd. | Financial services | 2010 |
| Ecometrix Solutions Ltd | Professional & scientific | 2024 |
| Ecommerce Enterprises Limited | Administrative & support | 2018 |
| Ecomotional Solutions Ltd | Administrative & support | 2009 |
| Economic Delivery Ltd | Wholesale & retail | 2018 |
| Econs Properties Limited | Real estate | 2021 |
| Ecopower Electrical Services Ltd | Construction | 2026 |
| Ecosphere Innovations Ltd | Information & communication | 2025 |
| Ecotech UPS Ltd | Construction | 2023 |
| Ecovolt Solar Installations Ltd | Construction | 2025 |
| Ecru Energy Ltd | Construction | 2020 |
| ECS Property Management Limited | Extraterritorial | 2015 |
| ECU Flash Limited | Wholesale & retail | 2011 |
| ED Building Ltd | Construction | 2024 |
| ED Change Health Care Limited | Public administration | 2023 |
| ED Change Limited | Other services | 2015 |
| Edconstruct Ltd | Construction | 2025 |
| Eddie Todd | Health & social care | 2019 |
| EDE Yorkshire Properties Limited | Real estate | 2020 |
| Edelweiss Administration Ltd. | Financial services | 2025 |
| Eden ARB Ltd | Agriculture & fishing | 2019 |
| Eden Beauty Limited | Other services | 2015 |
| Eden Holdings (UK) Limited | Real estate | 2001 |
| Eden House Community Links C.I.C. | Health & social care | 2021 |
| Eden Investwise Limited | Financial services | 2023 |
| Eden LEA Rail (UK) Limited | Agriculture & fishing | 2016 |
| Eden Window Cleaning Ltd | Administrative & support | 2024 |
| Edengold Limited | Extraterritorial | 2012 |
| Edenoak Corporate Relocations Ltd | Hospitality | 2024 |
| Edenpeak Limited | Extraterritorial | 2013 |
| Edenspot Limited | Wholesale & retail | 2024 |
| Edenthorpe FC CIC | Arts & recreation | 2024 |
| Ediz Cafe House Limited | Hospitality | 2026 |
| Edlin Limited | Extraterritorial | 2023 |
| Edlington Community Organisation | Administrative & support | 2002 |
| Edlington Contracts Limited | Wholesale & retail | 2019 |
| Edlington Eats Ltd | Hospitality | 2025 |
| Edlington PUB Company Ltd | Hospitality | 2025 |
| Edlington Social Club Ltd | Hospitality | 2025 |
| Edlington Top Club Ltd | Hospitality | 2017 |
| EDM Pubs Ltd | Hospitality | 2019 |
| EDN Corporation Ltd | Transport & logistics | 2017 |
| EDN Investments Limited | Real estate | 2024 |
| Edon Projects Ltd | Professional & scientific | 2015 |
| Edoo Services Limited | Professional & scientific | 2025 |
| EDS Agricultural Contracting Ltd | Agriculture & fishing | 2025 |
| EDS Plant Ltd | Agriculture & fishing | 2023 |
| EDS88 Ltd | Transport & logistics | 2025 |
| Edson Muldowney Limited | Real estate | 2012 |
| EDU Transport Ltd | Transport & logistics | 2023 |
| Edu-Kate Hair Academy Ltd | Information & communication | 2025 |
| Eduard Driving Ltd | Transport & logistics | 2017 |
| Eduard N20 Ltd | Transport & logistics | 2023 |
| Eduardtanase Ltd | Transport & logistics | 2026 |
| Eduardvtv Ltd | Transport & logistics | 2026 |