| EAT Palette Ltd | Manufacturing | 2025 |
| EB CX Solutions Ltd | Administrative & support | 2023 |
| Ebgn London Ltd | Hospitality | 2025 |
| EBI Services Limited | Professional & scientific | 1995 |
| Ebony Table Ltd | Hospitality | 2025 |
| Ebtf Limited | Professional & scientific | 2023 |
| Ebulldog Ltd | Information & communication | 2020 |
| Ebury House (Management Company) Limited | Households | 1998 |
| Ebuy Geek Limited | Information & communication | 2011 |
| EC Intelligent Technology Ltd | Wholesale & retail | 2020 |
| ECD Direct Limited | Wholesale & retail | 2003 |
| Echelon Improvement Partnerships Limited | Other services | 2014 |
| Echelon Property Ltd | Professional & scientific | 2008 |
| Echo Industries Ltd | Wholesale & retail | 2025 |
| Echo Park Ltd | Administrative & support | 2019 |
| Echowalk Limited | Professional & scientific | 1995 |
| Eckett Limited | Information & communication | 2012 |
| Eclectic Bars Limited | Hospitality | 2006 |
| Eco 3D Homes Limited | Construction | 2021 |
| Eco Energy Environment Ltd | Construction | 2019 |
| Eco GAS Engineers & Plumbers Ltd | Construction | 2020 |
| Ecogreen Electrical & EV Ltd | Construction | 2022 |
| Ecomtech Solutions Limited | Information & communication | 2025 |
| Ecopet Consulting Ltd | Wholesale & retail | 2023 |
| Ecosse Project Management Ltd | Construction | 2024 |
| Ecumenical Partnership Initiatives | Other services | 2009 |
| Edding (U.K.) Limited | Wholesale & retail | 1976 |
| Edeahr Limited | Administrative & support | 2019 |
| Edelweiss Software Solutions Ltd | Information & communication | 2019 |
| Eden Floral Ltd | Wholesale & retail | 2024 |
| Edgei Tech UK Ltd | Information & communication | 2015 |
| Edgeup Digital Solution Limited | Extraterritorial | 2025 |
| Edgware Auto Engineering Limited | Wholesale & retail | 2016 |
| Edilinvest Limited | Financial services | 2024 |
| Edit Land (Colney Heath) Limited | Construction | 2026 |
| Edit Residential (Hammersmith) Ltd | Construction | 2014 |
| Edit Residential Ltd | Construction | 2012 |
| Editquest Investments Limited | Real estate | 2017 |
| Editquest Limited | Construction | 1986 |
| Editquest Trustees Limited | Extraterritorial | 2020 |
| Edtech Ventures LLP | | 2021 |
| EDU22 Ltd | Education | 2022 |
| Educare Academy Limited | Other services | 2025 |
| Educating Experts London Limited | Education | 2017 |
| Education Support Services Limited | Construction | 2006 |
| Eduexcel Publishers Ltd | Information & communication | 2025 |
| Edwards Hulbert Limited | Construction | 2023 |
| Edwin Estates Limited | Construction | 2017 |
| Edwin Homes Ltd | Construction | 2010 |
| Edwin Properties Ltd | Real estate | 2023 |
| EE Civil Engineering Ltd | Professional & scientific | 2021 |
| Eezeemovers Cambridge Limited | Administrative & support | 2017 |
| Efeg Consulting Limited | Professional & scientific | 2026 |
| Efficient Plumbing & Heating (ST Albans) Ltd | Construction | 2017 |
| Egersis Residential Ltd | Real estate | 2025 |
| EH Medical Ltd | Health & social care | 2015 |
| EHW Ltd | Professional & scientific | 2008 |
| EIGHTY8 Business Transformation Ltd | Professional & scientific | 2023 |
| Einsteins Octopus Limited | Arts & recreation | 1999 |
| EIS Homes Limited | Real estate | 2021 |
| Eitanis Investments Ltd | Financial services | 2025 |
| EJD Systems Ltd | Professional & scientific | 2025 |
| EJM Consulting Limited | Professional & scientific | 2023 |
| EJW19 Ltd | Households | 2024 |
| EK Residentials Ltd | Real estate | 2021 |
| Ekadanta Limited | Wholesale & retail | 2020 |
| Ekansh Limited | Health & social care | 2008 |
| Ekte Ltd. | Information & communication | 2004 |
| Elago Limited | Hospitality | 2025 |
| Elan Financial Modelling Ltd | Professional & scientific | 2018 |
| Elbourn Architects Limited | Professional & scientific | 2003 |
| Elde 2.0 Ltd | Professional & scientific | 2025 |
| Eldee Ltd | Information & communication | 2020 |
| Elderberry Construction Ltd | Construction | 1997 |
| Elderberry Management Company Limited | Households | 2012 |
| Eldonstow Ltd | Professional & scientific | 2001 |
| Eleanore Place Residents Association Limited | Real estate | 2010 |
| Elecon Building Services Ltd | Construction | 2025 |
| Electio Solutions Limited | Other services | 2014 |
| Elector Palatinate Limited | Health & social care | 2019 |
| Eleis UK Limited | Extraterritorial | 1998 |
| Elektracity Ltd | Information & communication | 2012 |
| Element 5 Energy Limited | Other services | 2017 |
| Elevated by Clementine Ltd | Other services | 2025 |
| Eleven Aesthetics Clinic Limited | Health & social care | 2026 |
| Eleven Sound Limited | Administrative & support | 2007 |
| Eleventybillion Ltd | Information & communication | 2016 |
| ELH Asset Finance Ltd | Administrative & support | 2018 |
| Elica Limited | Information & communication | 2007 |
| Elicin Product Advisory Ltd | Professional & scientific | 2026 |
| Elicit Records Ltd | Information & communication | 2024 |
| Elijah's Gifts Ltd | Manufacturing | 2024 |
| Eliot Associates Ltd | Professional & scientific | 2012 |
| Eliots Linen Design Limited | Administrative & support | 2007 |
| Elis Communications Ltd | Professional & scientific | 2026 |
| Elisa Ioana Ltd | Construction | 2014 |
| Elisanna Properties Ltd | Real estate | 2020 |
| Elite Beauty&Fitness Ltd | Education | 2026 |
| Elite Landscapes and Building Structures Ltd | Construction | 2022 |
| Elite Pulls TCG Ltd | Wholesale & retail | 2025 |