| Empire Design & Construction Ltd | Construction | 2015 |
| Empire Global Solutions Ltd | Construction | 2019 |
| Empire Homes London Limited | Construction | 2025 |
| Engei Consultancy Limited | Administrative & support | 2019 |
| Enghouse Holdings (UK) Limited | Information & communication | 1992 |
| English Rose Retro Kitchens Ltd | Manufacturing | 2024 |
| Enterprise Msquare Ltd | Wholesale & retail | 2024 |
| Environment Concern Organisation | Arts & recreation | 2009 |
| Environmental View Ltd | Professional & scientific | 2022 |
| Envirowise Ltd. | Administrative & support | 2020 |
| EON Marine Ltd | Professional & scientific | 2018 |
| EOT Staines Ltd | Hospitality | 2021 |
| EPC Energy Assessor Ltd | Real estate | 2025 |
| EPS Trading Limited | Wholesale & retail | 2017 |
| Equate Learning Limited | Education | 2024 |
| Equinox UK Properties Ltd | Real estate | 2021 |
| Errew House Limited | Real estate | 2014 |
| Es-Ok Limited | Hospitality | 2017 |
| Escape Nest Ltd | Real estate | 2023 |
| Eshkate Ltd | Administrative & support | 2020 |
| Eshpr Eco Care Ltd | Construction | 2023 |
| Esms (UK) Limited | Information & communication | 2004 |
| Esms Europe Ltd | Real estate | 2015 |
| ESR Square Limited | Construction | 2020 |
| Essentia Supplies Ltd | Wholesale & retail | 2025 |
| Etch Design Limited | Construction | 1998 |
| Eteka Ltd | Information & communication | 2018 |
| Ettai Services Ltd | Construction | 2019 |
| EU Financial Ltd | Professional & scientific | 2021 |
| Euro China Ltd | Hospitality | 2014 |
| Euro UK Moves Group Ltd | Transport & logistics | 2008 |
| Euro-City Group Limited | Construction | 2004 |
| Europlane Sales Limited | Wholesale & retail | 2014 |
| Euroshia Ltd | Hospitality | 2018 |
| Eurotrans Services Ltd | Transport & logistics | 2019 |
| Evan Quigley Electrical Limited | Construction | 2014 |
| Evangelical Church Assembly of GOD Pernambuco in UK Ltd | Other services | 2023 |
| Event Snap Ltd | Professional & scientific | 2025 |
| Everest Wardrobes Ltd | Construction | 2023 |
| Evergate Developments Ltd | Construction | 2026 |
| Evergreen UK Services Ltd | Administrative & support | 2024 |
| Evoh Auto Ltd | Wholesale & retail | 2024 |
| EWA Solutions Ltd | Administrative & support | 2025 |
| Excel Online Ltd | Professional & scientific | 2011 |
| EXL Infotech Ltd. | Information & communication | 2015 |
| Exovent | Manufacturing | 2020 |
| Experion Technologies (UK) Ltd. | Information & communication | 2016 |
| Expins Ltd | Construction | 2025 |
| Exponair Aviation Consultants Ltd | Professional & scientific | 2024 |
| Express Eco Farm Limited | Construction | 2020 |
| Extem Engineering Limited | Manufacturing | 2000 |
| Extendedge Ltd | Information & communication | 2025 |
| Ezura Entertainment Ltd | Arts & recreation | 2026 |
| Ezybonds (EU) Limited | Financial services | 2004 |
| F C Equestrian Limited | Education | 1990 |
| F D Enesio Ltd | Health & social care | 2026 |
| F H Legal Solutions Limited | Administrative & support | 2014 |
| F L Beadle & Sons Holdings Limited | Financial services | 2023 |
| F L Beadle & Sons Limited | Construction | 1993 |
| F Wishart Solutions Ltd | Professional & scientific | 2020 |
| Fabtacc Impex UK Ltd | Wholesale & retail | 2022 |
| Fabulatte Ltd | Professional & scientific | 2020 |
| Fairweather Investments Ltd | Real estate | 2015 |
| Fairweather Property & Accountancy Ltd | Real estate | 2016 |
| Faith Care Services Ltd | Health & social care | 2021 |
| Faith in Fitness PT Ltd | Arts & recreation | 2025 |
| Falcon Design and Build Ltd | Construction | 2020 |
| Falcon Drive Ltd | Health & social care | 2024 |
| Fampton Estates Ltd | Real estate | 2026 |
| Fantastic Nannies Ltd | Other services | 2015 |
| FAR Reach Solutions Limited | Real estate | 2016 |
| FARFROMHOLLYW44D Ltd | Information & communication | 2026 |
| Farida Ltd | Health & social care | 2014 |
| Fashion LUX Limited | Wholesale & retail | 2025 |
| Fastrans Logistic Ltd | Transport & logistics | 2013 |
| Fastrans Logistik Ltd | Transport & logistics | 2013 |
| FAT Goose Bakery Ltd | Manufacturing | 2025 |
| FBT Consultancy Limited | Professional & scientific | 2026 |
| FDS Universal Ltd | Construction | 2020 |
| Fduck Ltd | Wholesale & retail | 2026 |
| Feast Foods Limited | Wholesale & retail | 2002 |
| Feather Build Limited | Construction | 2023 |
| Featheron Ltd | Information & communication | 2026 |
| Feedback SMD Commercials Limited | Construction | 2024 |
| Feedback SMD Consultancy Limited | Professional & scientific | 2025 |
| Feedback SMD Holdings Limited | Financial services | 2024 |
| Feedback SMD Properties Limited | Real estate | 2024 |
| Feldhaus UK Limited | Construction | 2006 |
| Felthamhill Management Limited | Households | 1982 |
| Fernhurst Pharmacy Limited | Manufacturing | 2007 |
| Ferris by Design Limited | Arts & recreation | 2019 |
| Fieldforce Planning UK Limited | Professional & scientific | 2021 |
| Fieldwise Management Ltd | Professional & scientific | 2026 |
| Fiksbay Ltd | Wholesale & retail | 2025 |
| Filmica Limited | Administrative & support | 2023 |
| Finance Change Solutions Limited | Professional & scientific | 2005 |
| Find Mapping Group Limited | Financial services | 2024 |
| Find Mapping Limited | Information & communication | 2007 |
| Findexable Limited | Information & communication | 2019 |
| Fine Art Construction Limited | Construction | 2024 |