| Eurolink Alliance Ltd | Administrative & support | 2001 |
| Europe Care Holdings London Limited | Health & social care | 2025 |
| European Property Investment Corporation Limited | Real estate | 2000 |
| European Tiles & Bathrooms Ltd | Wholesale & retail | 2024 |
| Eurothermal Glazing Ltd | Construction | 2024 |
| Eurotrade and Co | | 1991 |
| Eurowide Exports Limited | Wholesale & retail | 2001 |
| EV2C Ltd | Manufacturing | 2021 |
| EVA Koumpli International Ltd | Health & social care | 2022 |
| Evans and Derby Ltd | Health & social care | 2021 |
| Evap Innovations Ltd | Information & communication | 2024 |
| Ever Trans Ltd | Transport & logistics | 2018 |
| Everbuild Developments Limited | Real estate | 2018 |
| Everbuild Property Company Limited | Real estate | 2020 |
| Everealm Limited | Households | 1973 |
| Everest FM & Site Services Ltd | Administrative & support | 2024 |
| Everest Human Resources Ltd | Administrative & support | 2022 |
| Everest Top Ltd | Administrative & support | 2015 |
| Everette Analytics U.K. Limited | Administrative & support | 2024 |
| Evermore Construction Limited | Wholesale & retail | 2022 |
| Everton Court Management Company Limited | Households | 1963 |
| Everypenny Limited | Professional & scientific | 2014 |
| EVM Property Services Limited | Administrative & support | 2001 |
| Evolve Asset Investments Limited | Financial services | 2018 |
| Evolve Sustainability Limited | Professional & scientific | 2021 |
| Evoort Solutions Ltd | Information & communication | 2023 |
| Evuk Limited | Professional & scientific | 2026 |
| EX Services Security Ltd | Extraterritorial | 2020 |
| Exandas Limited | Information & communication | 2011 |
| Excel Staff Limited | Administrative & support | 2002 |
| Excel Unlimited UK Limited | Professional & scientific | 2012 |
| Exchange ME Limited | Real estate | 2013 |
| Executive Lets Ltd | Real estate | 2026 |
| Exfoliate Ltd | Real estate | 2015 |
| Exon Capital Limited | Real estate | 2025 |
| Exotech Solutions Ltd | Professional & scientific | 2013 |
| Exotic Blends Ltd | Extraterritorial | 2025 |
| Exotic Fruits Limited | Wholesale & retail | 2016 |
| Expedite Distribution UK Ltd | Transport & logistics | 2008 |
| Expert Assessment and Consultancy Limited | Administrative & support | 2010 |
| Expert Home Survey Ltd | Other services | 2025 |
| Expert Imaging Limited | Health & social care | 2022 |
| Expertia Limited | Construction | 2012 |
| Exponential Financial Consulting Ltd | Professional & scientific | 2021 |
| Extension Solutions Ltd | Construction | 2017 |
| EYE Care Inspire Limited | Wholesale & retail | 2019 |
| Eyebou Limited | Wholesale & retail | 2020 |
| Eyedyll Limited | Wholesale & retail | 2024 |
| F & S Khan Properties Ltd | Real estate | 2016 |
| F&N Real Estates Limited | Construction | 2024 |
| Fabulous Footwear Limited | Wholesale & retail | 2018 |
| Fabulous Retreats Limited | Real estate | 2011 |
| Facial & Oral Medico Legal Ltd | Health & social care | 2023 |
| Fade EX Ltd | Other services | 2022 |
| Fadic Ltd | Education | 2024 |
| Fair Understanding of Council Tax Ltd | Professional & scientific | 2024 |
| Fairfield Academy PVT Ltd | Education | 2012 |
| Fairfield Recipes Ltd | Hospitality | 2024 |
| Fairhazel Investment Company Limited | Real estate | 2025 |
| Fairlight London Limited | Real estate | 2025 |
| Fairlight Pharma Limited | Wholesale & retail | 2020 |
| Faithful Friend. Trusty Scout Limited | Professional & scientific | 2016 |
| Falaah Limited | Real estate | 2015 |
| Fameruk Ltd | Wholesale & retail | 2026 |
| Family Alliance Ltd | Real estate | 2026 |
| Family Ties AI Ltd | Information & communication | 2026 |
| Famlinc Homes Ltd | Real estate | 2025 |
| Fancy Jewellers Limited | Wholesale & retail | 2025 |
| Fara Construction Limited | Construction | 2024 |
| Farandhed Limited | Real estate | 2019 |
| Fard Properties Limited | Real estate | 2023 |
| Fareza Ltd | Hospitality | 2023 |
| Farha Hair and Beauty Salon Ltd | Other services | 2015 |
| Farmachem Limited | Wholesale & retail | 2015 |
| Farmco Global Ltd | Administrative & support | 2021 |
| Fash Media Limited | Information & communication | 2025 |
| Fashionise Limited | Wholesale & retail | 2023 |
| Fast Car Slow Car Limited | Financial services | 2024 |
| Fast Lane Catering Ltd | Hospitality | 2026 |
| Fast Track Recruitment Limited | Administrative & support | 2019 |
| Fastforward Capital Limited | Financial services | 2024 |
| Fastforward London Limited | Real estate | 2024 |
| Fatawat Homes Ltd | Real estate | 2020 |
| FC Construction Services Ltd | Construction | 2023 |
| FEE Finders Ltd | Construction | 2022 |
| Femina Health Ltd | Health & social care | 2022 |
| Fenner Financial Consultancy Limited | Financial services | 2025 |
| Fenroc Limited | Professional & scientific | 2018 |
| Fernando Manoso Ltd | Professional & scientific | 2012 |
| Ferrotta Properties Ltd | Real estate | 2020 |
| Feysaks Ltd | Professional & scientific | 2026 |
| Feza Ltd | Real estate | 2023 |
| FG Factor Trading Ltd | Financial services | 2018 |
| Fhtek Limited | Information & communication | 2019 |
| Fibrocyte Ltd | Health & social care | 2013 |
| Fieldhome Limited | Administrative & support | 1996 |
| Fieldstore Ltd | Wholesale & retail | 1998 |
| Fifth Dimension PR Ltd | Professional & scientific | 2016 |
| FIFTY7REVELSTOKE Ltd | Real estate | 2018 |
| Filmday Limited | Real estate | 1993 |