| El-Shaddai Foods Limited | Wholesale & retail | 2010 |
| Elahel Legal Consultancy and Services Ltd | Professional & scientific | 2015 |
| Elaine Jeffers Governance Consulting Limited | Professional & scientific | 2023 |
| Elaine Phillipson Ltd | Professional & scientific | 2009 |
| Elan Laser Clinics Group Limited | Financial services | 2021 |
| Elan Vital Group Ltd | Other services | 2019 |
| Elandono Limited | Professional & scientific | 2022 |
| Elapr Suyl Ltd | Wholesale & retail | 2025 |
| Elara Vault Co. Limited | Wholesale & retail | 2025 |
| Elaratek Ltd | Information & communication | 2007 |
| Elarix DEV Ltd | Information & communication | 2026 |
| Elarix Medical Ltd | Manufacturing | 2025 |
| Elastic Works Ltd | Wholesale & retail | 2019 |
| Elath Investments Ltd | Real estate | 2021 |
| Elation Property Solutions Ltd | Transport & logistics | 2018 |
| Elawco Limited | Information & communication | 2020 |
| Elayca Ltd | Real estate | 2018 |
| Elbatawy Plastic Surgery Services Limited | Health & social care | 2024 |
| Elbosty Limited | Manufacturing | 2021 |
| Elbows on the Table Ltd | Hospitality | 2025 |
| Elbrus Cladding Ltd | Construction | 2018 |
| Elda Restaurants Ltd | Hospitality | 2024 |
| Eldad Logistics Ltd | Transport & logistics | 2021 |
| Eldan Holdings Limited | Wholesale & retail | 2000 |
| Eldento & M Limited | Health & social care | 2025 |
| Eldercare (Lancs) Limited | Health & social care | 2007 |
| Eldercliff Limited | Other services | 2006 |
| Elderly Care Service Limited | Health & social care | 2012 |
| Elders With Roots Community Interest Company | Health & social care | 2025 |
| Eldi Healthcare Limited | Health & social care | 2018 |
| Eldon Estate Agents Limited | Real estate | 2015 |
| Eldrick BOW Ltd | Professional & scientific | 2025 |
| Eldwick Food & Wine Centre Limited | Wholesale & retail | 2003 |
| ELE Cleaning Limited | Wholesale & retail | 2025 |
| Eleanor Thompson Ltd | Professional & scientific | 2024 |
| Elecmet Electrical Solutions Ltd | Construction | 2018 |
| Elecsafe Services Ltd | Construction | 2023 |
| Elect Aviation Ltd | Extraterritorial | 2023 |
| Elect International Ltd | Extraterritorial | 2024 |
| Elect Investments Ltd | Administrative & support | 2022 |
| Elect Jets Ltd | Extraterritorial | 2023 |
| Elect Real Estate Ltd | Extraterritorial | 2023 |
| Electic Enterprises Limited | Information & communication | 2004 |
| Electiva Hospitals Birmingham Limited | Health & social care | 2024 |
| Elective Technology Ltd | Information & communication | 2018 |
| Electric Avenue Leeds Ltd | Construction | 2022 |
| Electric Future Limited | Manufacturing | 2011 |
| Electric INK Tattoo Ltd | Administrative & support | 2023 |
| Electric Organisation Limited | Information & communication | 2012 |
| Electric Press Digital Ltd | Information & communication | 2022 |
| Electric Trace Heating (1997) Ltd | Manufacturing | 1997 |
| Electric Unicorn Ltd | Professional & scientific | 2023 |
| Electrical Containment Installation Ltd | Construction | 2019 |
| Electrical Control FIX Ltd | Manufacturing | 2026 |
| Electrical Design and Control (Leeds) Limited | Manufacturing | 2020 |
| Electrical Mechanical Installers Ltd | Construction | 2014 |
| Electrical Portfolio Solutions Ltd | Professional & scientific | 2024 |
| Electrical Repair Limited | Other services | 2015 |
| Electrical Tech Solutions Ltd | Construction | 2025 |
| Electricals and Wires UK Ltd | Wholesale & retail | 2026 |
| Electricalserv Ltd | Construction | 2019 |
| Electricity Distribution Engineering Services Ltd. | Energy | 2009 |
| Electricity Works Limited | Education | 2013 |
| Electrics Your Way Ltd | Construction | 2021 |
| Electricwatergas Ltd | Construction | 2022 |
| Electrimart Limited | Wholesale & retail | 2023 |
| Electrix Direct Ltd | Wholesale & retail | 2015 |
| Electro Building Services Ltd | Construction | 2025 |
| Electrocity Ltd | Energy | 2018 |
| Electrogen Solutions Limited | Construction | 2018 |
| Electromatic North Ltd | Construction | 2020 |
| Electrometal Trading Ltd | Wholesale & retail | 2022 |
| Electronic & Computer Solutions Ltd | Wholesale & retail | 2010 |
| Electronics Yorkshire Limited | Professional & scientific | 2003 |
| Electropark Leeds Ltd | Administrative & support | 2017 |
| Electrorad Holdings Limited | Financial services | 2026 |
| Electuary Ltd | Information & communication | 2024 |
| Elegance Consulting Ltd | Information & communication | 2010 |
| Elegant Fragrances Ltd | Wholesale & retail | 2023 |
| Elegant Solutions Consulting Ltd | Information & communication | 2023 |
| Elemar Search Limited | Administrative & support | 2020 |
| Element 14 Limited | Professional & scientific | 1994 |
| Element Heritage Limited | Professional & scientific | 2026 |
| Element Rail Ltd | Professional & scientific | 2023 |
| ELEMENT14 Finance UK Limited | Financial services | 2012 |
| Elemental Fitness Ltd | Other services | 2015 |
| Elemental Healthcare Ltd | Professional & scientific | 2005 |
| Elemental Resource Management Limited | Water & waste | 2010 |
| Elementary Energy Limited | Energy | 2012 |
| Elementary Homes Limited | Real estate | 2021 |
| Elementary Technology Ltd | Information & communication | 2003 |
| Elements Interior Decor Limited | Professional & scientific | 2021 |
| Elementz Limited | Information & communication | 2020 |
| Elena Cleaning Leeds Limited | Administrative & support | 2025 |
| Elena Property Limited | Real estate | 2022 |
| Eleos Communication Ltd | Education | 2023 |
| Elephant & Castle (Wakefield) Ltd | Hospitality | 2021 |
| Elephant Hearts Limited | Wholesale & retail | 2020 |
| Elephant Marketing Limited | Information & communication | 2012 |
| Elephant Rock Investments Ltd | Real estate | 2023 |