| Empower Consult Limited | Professional & scientific | 2016 |
| En-Ablersservices Limited | Health & social care | 2020 |
| ENC Health Limited | Health & social care | 2025 |
| Enhanced Steps Support Services Ltd | Health & social care | 2022 |
| Ennycoolwater Logistics Ltd | Transport & logistics | 2026 |
| ENO Plumbing & Heating Ltd | Construction | 2009 |
| Enux Treasures Ltd | Professional & scientific | 2022 |
| Enva Consulting Ltd | Transport & logistics | 2026 |
| Enviroclear Waste Recycling Ltd | Water & waste | 2019 |
| Eqom Ltd | Wholesale & retail | 2019 |
| ER21 Healthcare Limited | Health & social care | 2021 |
| Erasa Ltd | Administrative & support | 2020 |
| Erith Flooring Ltd | Wholesale & retail | 2012 |
| Erith Fried Chicken Ltd | Hospitality | 2019 |
| Erith Homes Ltd | Real estate | 2024 |
| Erith Homes One Ltd | Real estate | 2026 |
| Erith Processing Limited | Water & waste | 2025 |
| Erith Tyres Ltd | Wholesale & retail | 2026 |
| Ernest&Lenu Ltd | Transport & logistics | 2015 |
| Esdy Consulting Ltd | Professional & scientific | 2018 |
| Eseleo Cleaning Services Ltd | Administrative & support | 2026 |
| Esen Market Limited | Hospitality | 2021 |
| Esml Construction Ltd | Construction | 2015 |
| Esrt Ltd | Wholesale & retail | 2025 |
| Essehair Company Ltd | Wholesale & retail | 2021 |
| Essence Productions Ltd | Households | 2018 |
| Estees Exclusive Ltd | Administrative & support | 2017 |
| Esther Services Limited | Hospitality | 2025 |
| Etefaq Limited | Real estate | 2022 |
| ETR Group Ltd | Water & waste | 2023 |
| Etype Supplies Ltd | Wholesale & retail | 2013 |
| Eulux Ltd. | Other services | 2018 |
| Eunice Enterprise Ltd | Health & social care | 2011 |
| Eurolatin Social Impact CIC | Administrative & support | 2025 |
| European Glamour Ladies Limited | Health & social care | 2020 |
| European Information Technology Limited | Information & communication | 2003 |
| EV3RBLESSED Ltd | Wholesale & retail | 2026 |
| Evagem House Ltd | Other services | 2014 |
| Even Star Properties Ltd | Real estate | 2024 |
| Everbloom Events Ltd | Administrative & support | 2025 |
| Everest Services London Ltd | Administrative & support | 2023 |
| Everlastingam Ltd | Transport & logistics | 2015 |
| Evink 28 Limited | Manufacturing | 2021 |
| Excellence Roofing Ltd | Construction | 2018 |
| Excellent Print Limited | Manufacturing | 2011 |
| Exclusive Metal Roofing Ltd | Construction | 2024 |
| Expert Tutors U.K. Ltd | Education | 2024 |
| Exploit Ventures International Limited | Wholesale & retail | 2022 |
| Exponential Tradings Ltd | Health & social care | 2007 |
| EZ Property Maintenance Ltd | Construction | 2023 |
| F & a Trading (UK) Ltd | Wholesale & retail | 2019 |
| F Playground Ltd. | Hospitality | 2015 |
| F3KITCHEN Ltd | Hospitality | 2025 |
| Fabulous Tots Limited | Education | 2014 |
| Fabworks Fabrication Ltd | Manufacturing | 2021 |
| Fairloop Ltd | Wholesale & retail | 2025 |
| Fairview Business Management Services Ltd | Professional & scientific | 2018 |
| Fantastic Lighting Limited | Manufacturing | 1980 |
| Fasco International Ltd | Wholesale & retail | 2023 |
| Fash Manor Limited | Real estate | 2025 |
| Fashmide Ltd | Professional & scientific | 2019 |
| Fathom Elevators Limited | Professional & scientific | 2023 |
| Fatrok Care Services Ltd | Health & social care | 2018 |
| Fatrok Global Limited | Real estate | 2020 |
| Faubaaf Limited | Health & social care | 2020 |
| Feed the World Group Ltd | Extraterritorial | 2020 |
| Fegoa Ltd | Transport & logistics | 2019 |
| Fehmina & Co Limited | Real estate | 2020 |
| Feka Accounting Services Limited | Professional & scientific | 2020 |
| Felix Realty Limited | Real estate | 2026 |
| Fellycare Ltd | Health & social care | 2022 |
| Femi Healthcare Ltd | Health & social care | 2025 |
| Femsilva Limited | Financial services | 2006 |
| Fewa Ltd | Wholesale & retail | 2021 |
| Ficoven Investments Limited | Information & communication | 2022 |
| Fifty SIX Riverdale Ltd | Extraterritorial | 2010 |
| Fiil Limited | Health & social care | 2016 |
| Fime UK Ltd | Health & social care | 2022 |
| FIN X T Ltd | Financial services | 2025 |
| Finadmin Ltd | Professional & scientific | 2022 |
| Finalpoint Ltd | Arts & recreation | 2026 |
| Financial Discounting Limited | Professional & scientific | 2018 |
| Fineline Interiors Ltd | Construction | 2022 |
| Finest Kebab and Chicken Limited | Hospitality | 2019 |
| Finsage Consulting Limited | Professional & scientific | 2025 |
| Finx Technology Limited | Information & communication | 2025 |
| Fireout Protection Limited | Construction | 2005 |
| First Indoor Triathlon Ltd | Health & social care | 2023 |
| First Private Care Services Limited | Health & social care | 2025 |
| First Step Daycare & Nursery Ltd | Education | 2010 |
| Firstcut International UK Limited | Administrative & support | 2023 |
| Firstmerger Accounting Business Limited | Professional & scientific | 2016 |
| Fit Finity 101 Ltd | Wholesale & retail | 2026 |
| Five Star CY (UK) Ltd | Transport & logistics | 2022 |
| Five Star Femzema Limited | Other services | 2021 |
| Five-Fin.Gers (Khamsa) Limited | Wholesale & retail | 2024 |
| Fizbint Limited | Financial services | 2022 |
| FJ & K Limited | Construction | 2024 |
| Fjoz Ltd | Construction | 2025 |
| FKA International Ltd | Education | 2020 |