| Eurologic Software Limited | Information & communication | 2016 |
| European Power Systems Limited | Professional & scientific | 2002 |
| European Psychotherapy Limited | Education | 2011 |
| Ev-Og Limited | Professional & scientific | 2022 |
| Event Engineering Limited | Administrative & support | 2001 |
| Event Flooring Solutions Limited | Other services | 2017 |
| Eventpro UK Limited | Administrative & support | 2005 |
| Eversley Consultancy Services Limited | Professional & scientific | 2010 |
| Everything Cream Limited | Professional & scientific | 2005 |
| Everything Uganda Ltd | Administrative & support | 2025 |
| Evissa Accessories Ltd | Wholesale & retail | 2014 |
| EVK London Ltd | Wholesale & retail | 2021 |
| EVN Projects Ltd | Administrative & support | 2025 |
| EVO Advanced Services Ltd | Construction | 2019 |
| Evoke Telecom Services Limited | Information & communication | 2013 |
| Evoltage UK Electrical Services Ltd | Construction | 2026 |
| Evolution Lift Services Limited | Manufacturing | 2017 |
| Evolutionary Psychotherapy Ltd | Health & social care | 2014 |
| Evolve Displays Limited | Manufacturing | 2013 |
| Evolve OT Limited | Other services | 2014 |
| Evolve Solar & Energy Storage Limited | Construction | 2022 |
| Evolve That Business Ltd | Information & communication | 2018 |
| EW Bars Limited | Wholesale & retail | 2018 |
| EW53 Ltd | Wholesale & retail | 2022 |
| Exactly Design Limited | Professional & scientific | 2016 |
| Excel Kickboxing Limited | Arts & recreation | 2023 |
| Excel Roofing & Asbestos Ltd | Construction | 2023 |
| Excluded From School Ltd | Education | 2024 |
| Exec Direction Ltd | Professional & scientific | 2020 |
| Executive CFO Ltd | Professional & scientific | 2019 |
| Executive Corporate Solutions LLP | | 2009 |
| Exhibition Properties Ltd | Real estate | 2021 |
| Exomet Limited | Professional & scientific | 2004 |
| Explore the Elite Limited | Administrative & support | 2024 |
| Explorer Global Travel Ltd | Administrative & support | 2019 |
| Express Emporium UK Ltd | Wholesale & retail | 2024 |
| Express Motors Leicester Ltd | Wholesale & retail | 2020 |
| Express Shops Ltd | Wholesale & retail | 2012 |
| Extravaganza Limited | Extraterritorial | 2009 |
| Extreme Mist Vapes Limited | Wholesale & retail | 2017 |
| EYE Doctors UK Limited | Wholesale & retail | 2009 |
| Eyec-Uk Limited | Wholesale & retail | 2007 |
| Eyerkb Ltd | Wholesale & retail | 2014 |
| Eyezilla Ltd | Information & communication | 2018 |
| Ezeey Storage Midlands Ltd | Transport & logistics | 2024 |
| F and J Gifts Ltd | Wholesale & retail | 2021 |
| F Durrani Ltd | Arts & recreation | 2023 |
| F G Cars Ltd | Wholesale & retail | 2013 |
| F.A. Gates & SON Limited | Wholesale & retail | 1999 |
| F.W. James & SON Limited | Construction | 2002 |
| F10 Products Limited | Wholesale & retail | 2012 |
| F2 Music Limited | Wholesale & retail | 2000 |
| F8 Properties WLF Ltd | Real estate | 2025 |
| Faamk Limited | Real estate | 2025 |
| Fabien Jewellers Ltd | Extraterritorial | 2024 |
| Fablehound Limited | Manufacturing | 2025 |
| Fabmania Ltd | Manufacturing | 2007 |
| Facade-Interior Ltd | Construction | 2025 |
| Factor Design Associates Ltd | Professional & scientific | 2002 |
| Fair Reserve Holdings Limited | Financial services | 2000 |
| Fair Reserve Limited | Real estate | 1950 |
| Fairstead Holdings Limited | Transport & logistics | 2020 |
| Fairway Drive Management Company Limited | Real estate | 2003 |
| Fairway Projects Limited | Real estate | 2005 |
| Falcon Commissioning Limited | Professional & scientific | 2008 |
| Falcon Support Services E.M Ltd | Health & social care | 2001 |
| Famert Investments Limited | Real estate | 1961 |
| Familia Pathways Ltd | Health & social care | 2021 |
| Famill Holdings Limited | Financial services | 2022 |
| Famill Property Limited | Real estate | 2022 |
| Fantom Inc Limited | Professional & scientific | 2013 |
| Farah Qureshi Limited | Professional & scientific | 2016 |
| Fariq Systems Ltd | Extraterritorial | 2012 |
| Farley Property Management Limited | Households | 2025 |
| Farming Monthly Limited | Administrative & support | 2007 |
| Farmwise Associates Ltd | Agriculture & fishing | 1995 |
| Farrars Accountancy and Taxation Limited | Extraterritorial | 2015 |
| Farrars Consultants Limited | Extraterritorial | 2015 |
| Farrars Holdings Limited | Financial services | 2018 |
| Farrars Limited | Professional & scientific | 2008 |
| Fasi AI Limited | Information & communication | 2025 |
| Fast Surveyors Limited | Professional & scientific | 2005 |
| Fast Xpedition Ltd | Wholesale & retail | 2019 |
| Fatedate Limited | Other services | 2018 |
| Fathom Applications UK Limited | Professional & scientific | 2015 |
| Fawcett Heating & Plumbing Ltd | Construction | 2021 |
| FBE Holdings Limited | Financial services | 2026 |
| FBT Properties Limited | Real estate | 2021 |
| Fearon Community Association Limited | Arts & recreation | 2009 |
| Featherstone Planning Design and Development Limited | Construction | 1993 |
| Feebery Limited | Professional & scientific | 2016 |
| Feed Consulting Limited | Professional & scientific | 2022 |
| Feint Music Limited | Information & communication | 2009 |
| Felise Property Limited | Real estate | 2025 |
| Felix Exitus Ltd | Professional & scientific | 2023 |
| Felstone Consulting Limited | Professional & scientific | 2022 |
| Feng Foodie Limited | Hospitality | 2025 |
| Fernando's Grill House Ltd | Hospitality | 2012 |
| Ferndale Floats Ltd | Hospitality | 2024 |
| Ferrar Plastering Limited | Construction | 2017 |