| Emerald (Ealing) LLP | | 2017 |
| EMI Skin Limited | Other services | 2024 |
| Emma Louise Locks Ltd | Other services | 2018 |
| Emperadora Ltd | Wholesale & retail | 2025 |
| Empire Park (Greenhithe) Management Company Limited | Households | 2019 |
| Encore Capital Group UK Limited | Financial services | 2018 |
| Energy Rated Windows Ltd | Construction | 2009 |
| Engadine Estate Management Limited | Households | 1973 |
| Enhance Interiors Limited | Construction | 1966 |
| Enipak Limited | Wholesale & retail | 2023 |
| ENP Consultancy Services Limited | Health & social care | 2015 |
| Enventive Limited | Construction | 2010 |
| Epowar Limited | Information & communication | 2020 |
| Equipment Cleaning Services Limited | Administrative & support | 1989 |
| Equiprofi Limited | Construction | 2010 |
| Equus Construction Ltd | Construction | 2015 |
| ERA Commodities Ltd | Financial services | 2018 |
| ERA Trading UK Ltd | Financial services | 2020 |
| ERH Property Ltd | Real estate | 2024 |
| ERP Comms Ltd | Professional & scientific | 2016 |
| ERP Partners Limited | Administrative & support | 2016 |
| Errington & Woodget Limited | Professional & scientific | 2010 |
| ERS Electrical Ltd | Construction | 2020 |
| ESG Focus Ltd | Professional & scientific | 2023 |
| Eskmont Ridge Management Limited | Households | 1979 |
| Esmeevents Ltd | Hospitality | 2022 |
| Espritia Limited | Professional & scientific | 2010 |
| ETS Health and Safety Limited | Administrative & support | 2011 |
| Europa Gold Limited | Other services | 2018 |
| Europa Way JV LLP | | 2017 |
| Evans Bespoke Homes Limited | Real estate | 2016 |
| Event Shack Ltd | Other services | 2023 |
| Ever Build Roofing and Guttering Ltd | Construction | 2025 |
| Evercertain Limited | Professional & scientific | 2002 |
| Everycorner Limited | Health & social care | 2013 |
| Everyday Zebra Ltd | Wholesale & retail | 2025 |
| EVO Leadership Advisors Limited | Professional & scientific | 2025 |
| Evolution (Saffron Walden) LLP | | 2016 |
| Evolution (Shinfield) LLP | | 2015 |
| Evolution Gateshead Developments LLP | | 2012 |
| Evolution Morpeth LLP | | 2015 |
| Evolution Newhall LLP | | 2015 |
| Evolve MBQ Limited | Professional & scientific | 2024 |
| EVS Recruitment Ltd | Administrative & support | 2024 |
| Exclusive Press & Publicity Limited | Professional & scientific | 2002 |
| Expense Reduction Analysts (UK) Limited | Professional & scientific | 1996 |
| Explorelx Limited | Education | 2022 |
| Expo Hands Limited | Administrative & support | 2013 |
| Extra Hands Ltd | Other services | 2018 |
| Exyan Ltd | Information & communication | 2020 |
| EZ Store Kent Limited | Transport & logistics | 2024 |
| Fabricsmart Limited | Wholesale & retail | 2006 |
| Fabricsmart Manufacturing Limited | Manufacturing | 2022 |
| FAI Medical Enterprises Limited | Health & social care | 2015 |
| Fairfield Redevelopments Limited | Construction | 2002 |
| Fairview Fledglings Ltd | Health & social care | 2020 |
| Fairways Addington Management Limited | Households | 2017 |
| Faje Leases Limited | Real estate | 2024 |
| Faje Limited | Real estate | 2010 |
| Faje Management Limited | Real estate | 2020 |
| Fajevest Limited | Financial services | 2018 |
| Falfield Grange Residents Management Company Ltd | Households | 2019 |
| Family Medical Group Ltd | Health & social care | 2022 |
| Family Takeaway Limited | Wholesale & retail | 2017 |
| Family Wealth Preservation (Sevenoaks) Ltd | Other services | 2006 |
| Fast Moving Logistics Ltd | Transport & logistics | 2021 |
| Fast Removals and Installations Ltd | Administrative & support | 2021 |
| Fathers & Sons Shine Ltd | Wholesale & retail | 2025 |
| Faversham Residential Management Company Limited | Households | 2023 |
| FD Support Limited | Professional & scientific | 2019 |
| Fd-Exports Ltd | Wholesale & retail | 2019 |
| FDF Project Management Limited | Professional & scientific | 2016 |
| Feaver Carpentry and Construction Limited | Construction | 2015 |
| Felix 5 Limited | Real estate | 2018 |
| Fielder Technical Services Limited | Water & waste | 1997 |
| Fikz Property Limited | Real estate | 2019 |
| Fimetic Limited | Financial services | 2021 |
| Financialee Ltd | Financial services | 2025 |
| Finch Building Limited | Construction | 2023 |
| Find Your Light Retreat CIC | Arts & recreation | 2021 |
| Firs Road (Linden) Management Company Limited | Households | 2021 |
| Fish Eagle Enterprises Limited | Administrative & support | 2014 |
| Fitout Installations Limited | Construction | 2022 |
| FLAT59 Ltd | Real estate | 2025 |
| Fleet Forward Ltd | Professional & scientific | 2024 |
| Flexicover Limited | Financial services | 1996 |
| Flexipros Group Ltd | Professional & scientific | 2022 |
| Flexitribe Ltd | Professional & scientific | 2022 |
| Flir Systems Limited | Manufacturing | 1977 |
| Floral Explosion Limited | Administrative & support | 2005 |
| Florian Leonhard Fine Violins Ltd | Manufacturing | 2014 |
| Flourish Grazing Events Limited | Hospitality | 2020 |
| Flow 247 Limited | Construction | 2025 |
| Flowmoon Ltd | Information & communication | 2011 |
| Fobo Limited | Information & communication | 2018 |
| Focus Financial Systems Ltd | Information & communication | 2002 |
| Football Five Star Limited | Administrative & support | 2020 |
| Fordems Limited | Construction | 2008 |
| Foresight Optical Limited | Administrative & support | 2015 |
| Forestrall Limited | Manufacturing | 1979 |