| Exchange House Crouch END RTM Management Company Limited | Households | 2009 |
| Exchange Walk Management Company Limited | Households | 2003 |
| Exclusive Car FIX Ltd | Wholesale & retail | 2019 |
| Exclusivity Limited | Professional & scientific | 2018 |
| Exeacl Services Limited | Administrative & support | 2025 |
| Exec Express Limited | Professional & scientific | 1999 |
| Execution Unit Limited | Information & communication | 2007 |
| Executive Arrivals Limited | Transport & logistics | 2016 |
| Executive Challenge Limited | Professional & scientific | 1999 |
| Executive Performance Cars (Heathrow) Limited | Wholesale & retail | 2007 |
| Executive Search (UK) Limited | Administrative & support | 2011 |
| Executrix Property Group Ltd | Real estate | 2025 |
| Exel Chemie UK Limited | Wholesale & retail | 2018 |
| Exercise Matters Ltd | Arts & recreation | 2015 |
| Exeter Catering Limited | Hospitality | 2025 |
| Exeura Ltd | Wholesale & retail | 2026 |
| Exhibitour Ltd | Manufacturing | 2018 |
| Exigo Marketing Ltd | Professional & scientific | 2009 |
| Exim Trading Ltd | Wholesale & retail | 2025 |
| Eximp Wholesale Distributors Limited | Wholesale & retail | 2017 |
| Exiom Consulting Limited | Information & communication | 2013 |
| Exiom Group Limited | Information & communication | 2020 |
| Exiom Limited | Information & communication | 2021 |
| Exiom Technologies Limited | Information & communication | 2001 |
| Exirius Group Ltd | Professional & scientific | 2026 |
| Exit Here Limited | Other services | 2019 |
| Exit Plan Ltd | Professional & scientific | 2016 |
| Exit Pursued by a Dance Break Limited | Information & communication | 2025 |
| Exlhomes Limited | Real estate | 2010 |
| Exlon Holdings Ltd | Households | 2019 |
| Exlon Property Limited | Hospitality | 2015 |
| EXO Consulting Ltd | Information & communication | 2020 |
| Exolent IT Solutions Ltd | Information & communication | 2015 |
| Exotic Enterprises Limited | Hospitality | 2012 |
| Exotic Homes Ltd | Real estate | 2024 |
| Expert Consult Ltd | Professional & scientific | 2024 |
| Expert Exporter Ltd | Wholesale & retail | 2022 |
| Expert Fusion BI Consultancy Ltd | Information & communication | 2012 |
| Expert Glazing London Ltd | Construction | 2024 |
| Expert Independent Financial Planning Ltd | Financial services | 2017 |
| Expert Letting Solutions Limited | Real estate | 2016 |
| Expert Minerals Company Limited | Wholesale & retail | 2014 |
| Expert MPS Ltd | Information & communication | 2017 |
| Expert One Yacht Ltd | Transport & logistics | 2024 |
| Expert Ortho Reports Limited | Health & social care | 2017 |
| Expert Orthodontics Limited | Health & social care | 2018 |
| Expert Translation and Interpreting Services(Etis) Limited | Professional & scientific | 2025 |
| Expertrealm Limited | Transport & logistics | 2002 |
| Explora Nautica Ltd | Extraterritorial | 2023 |
| Exploration Brewing Limited | Manufacturing | 2021 |
| Explore Location Services Ltd | Information & communication | 2018 |
| Explore-Performance (UK) Limited | Professional & scientific | 2023 |
| Expoasia UK Limited | Wholesale & retail | 2018 |
| Express Building Contractors Ltd | Construction | 2004 |
| Express Consular Services Ltd | Administrative & support | 2013 |
| Express Contractors Ltd | Construction | 2019 |
| Express Movers&Mps Ltd | Transport & logistics | 2026 |
| Express Payroll Limited | Administrative & support | 2012 |
| Express Pubs Ltd | Hospitality | 2017 |
| Express Residential Limited | Real estate | 2018 |
| Express Square Limited | Hospitality | 2015 |
| Express Tyres Local Ltd | Wholesale & retail | 2025 |
| EXPRESS1WORLDUK Limited | Wholesale & retail | 2024 |
| Expressive Minds Media Ltd | Information & communication | 2021 |
| Expresso Bar Ltd | Hospitality | 2004 |
| Expressvente Ltd | Wholesale & retail | 2023 |
| Exquisite Property Limited | Real estate | 2016 |
| Extendopedia Ltd | Construction | 2025 |
| Extol International Private Limited | Wholesale & retail | 2024 |
| Extol Solutions Limited | Professional & scientific | 2025 |
| Extreemfx Ltd | Financial services | 2020 |
| Extreme DRY Cleaners Limited | Other services | 2013 |
| Exxan UK Limited | Real estate | 1999 |
| EYC Management Limited | Other services | 2018 |
| EYC NXT Limited | Other services | 2022 |
| EYC Records Ltd | Information & communication | 2020 |
| EYE 2 EYE Opticians Limited | Wholesale & retail | 2006 |
| EYE Supplements Limited | Administrative & support | 2013 |
| EYE Value Optical Ltd | Wholesale & retail | 2001 |
| EYE VET Specialists Ltd | Professional & scientific | 2012 |
| Eyecamhd Limited | Wholesale & retail | 2020 |
| Eyecandy TV Ltd | Professional & scientific | 1997 |
| Eyecare Clinic Limited | Wholesale & retail | 2002 |
| Eyeluxe Cosmetics Ltd | Wholesale & retail | 2025 |
| Eyes on OUR Nation Media Limited | Information & communication | 2015 |
| Eyesmart Optics Ltd | Health & social care | 2024 |
| EZ Accommodation Services Ltd | Real estate | 2019 |
| EZ Remaps UK Ltd | Wholesale & retail | 2025 |
| EZA Locum Limited | Health & social care | 2023 |
| Ezbz Ltd | Wholesale & retail | 2020 |
| EZI Transport Limited | Transport & logistics | 2024 |
| Ezra Events Limited | Professional & scientific | 2026 |
| Ezrad Limited | Health & social care | 2019 |
| Ezywizz Limited | Transport & logistics | 2024 |
| F and B Transportation Ltd | Transport & logistics | 2024 |
| F & B Enterprise Limited | Hospitality | 2019 |
| F & M Direct Ltd | Wholesale & retail | 2021 |
| F & S Growth Ltd | Real estate | 2026 |
| F About Limited | Administrative & support | 2026 |
| F Build Ltd | Construction | 2023 |