| EVO Trade Housing Ltd | Real estate | 2022 |
| Evolo Mortgages Ltd | Financial services | 2025 |
| Evolutelifeos Limited | Information & communication | 2025 |
| Evolution Finco Limited | Administrative & support | 2018 |
| Evolution Midco Limited | Administrative & support | 2018 |
| Evolve Interiors & Spaces Ltd | Construction | 2024 |
| Evolve Wellness Ltd | Arts & recreation | 2024 |
| Evpzee Limited | Manufacturing | 2020 |
| Evxcharge Limited | Information & communication | 2020 |
| Ewan Cameron Limited | Arts & recreation | 2004 |
| Ewurabena Mends Limited | Health & social care | 2021 |
| Exabase Limited | Information & communication | 2019 |
| Example IT Limited | Wholesale & retail | 2012 |
| Excalibur Roofing Ltd | Construction | 2025 |
| Excel Evolution Limited | Information & communication | 2007 |
| Executive DRY Cleaners 3 Ltd | Administrative & support | 2017 |
| Execvision Consulting Ltd | Professional & scientific | 2024 |
| Exitly Ltd | Professional & scientific | 2025 |
| EXM Logistics Ltd | Transport & logistics | 2025 |
| Exo-Cubic Recycling Technologies Limited | Water & waste | 2018 |
| Exomoon Limited | Information & communication | 2025 |
| Expand Construction Ltd | Construction | 2004 |
| Expect More Creative Ltd | Administrative & support | 2022 |
| Expergo Ltd | Information & communication | 2025 |
| Experience Britain Limited | Information & communication | 2018 |
| Expert Mechanical Handling Limited | Transport & logistics | 2016 |
| Expert Motors Ltd | Wholesale & retail | 2025 |
| Expert Radiologist Ltd | Health & social care | 2021 |
| Expert Valeting Ltd | Other services | 2024 |
| Explainable Ltd | Information & communication | 2023 |
| Explore Counselling Ltd | Health & social care | 2022 |
| Explorer Mortgages Limited | Professional & scientific | 2014 |
| Export Indicator Co Ltd | Other services | 2018 |
| Exsura Ltd | Professional & scientific | 2019 |
| Extrasource Limited | Professional & scientific | 2011 |
| Eyect Limited | Real estate | 2002 |
| Eyelashes 2005 Ltd | Other services | 2025 |
| Eyeon Life Ltd | Wholesale & retail | 2026 |
| Eyfs Limited | Education | 2010 |
| Eysup Limited | Professional & scientific | 2006 |
| EZ Electrical Solutions Ltd | Construction | 2018 |
| F Cold Limited | Manufacturing | 2014 |
| F T Aviation Ltd | Manufacturing | 2012 |
| F&J Houses Ltd | Real estate | 2021 |
| F&J IT Consulting Limited | Information & communication | 2017 |
| F-Secure Digital Assurance Ltd. | Information & communication | 2006 |
| F.A.R. Solutions Limited | Information & communication | 2004 |
| F.D.Small & Co.Limited | Agriculture & fishing | 1958 |
| FA Protax Ltd | Real estate | 2026 |
| Faac (U.K.) Limited | Wholesale & retail | 1985 |
| FAB1DIRECT Limited | Wholesale & retail | 2017 |
| Faber Coeptis Ltd | Manufacturing | 2019 |
| Face Fabulous Aesthetics Limited | Wholesale & retail | 2023 |
| Face Media Enterprises Limited | Information & communication | 2013 |
| Fairground Landscapes Limited | Administrative & support | 1999 |
| Fairline Construction Limited | Construction | 2015 |
| Falcon 5 Limited | Construction | 2019 |
| Falcon Civil Engineering Ltd | Professional & scientific | 2015 |
| Falcon Paint 3D Limited | Manufacturing | 2024 |
| Familia Properties Ltd | Real estate | 2019 |
| Fando Consulting Ltd | Professional & scientific | 2016 |
| Faraway Investments Limited | Financial services | 2010 |
| Farleigh North Farm LLP | | 2026 |
| Farleigh Wallop District Heating Limited | Energy | 2014 |
| Farleigh Wallop Estate LLP | | 2015 |
| Farleygreene Limited | Manufacturing | 1976 |
| Farmcat Fest Limited | Arts & recreation | 2019 |
| Farriers Close Management Company Limited | Real estate | 2014 |
| Farsite Communications Limited | Manufacturing | 1997 |
| Fast Fit Service Centre Limited | Wholesale & retail | 2002 |
| Fast FIX Plumbing Services Limited | Construction | 2025 |
| Fastfair Limited | Wholesale & retail | 2006 |
| Fastran Heating Limited | Manufacturing | 1968 |
| Fathom Reptiles Ltd | Wholesale & retail | 2025 |
| Fatschi Limited | Real estate | 2022 |
| Fawkners Consulting Limited | Professional & scientific | 2023 |
| FC Care Limited | Public administration | 2019 |
| FCP Internet Holdings Limited | Information & communication | 2011 |
| FCP Internet Limited | Information & communication | 2001 |
| FD Excel Ltd | Extraterritorial | 2013 |
| Fd&O Properties Ltd | Real estate | 2017 |
| FDC Consultants Limited | Professional & scientific | 2025 |
| FEC Holding Limited | Professional & scientific | 2023 |
| Feedback Atency Limited | Water & waste | 2003 |
| Feeding Edge Ltd | Information & communication | 2009 |
| Feel Good Direct Limited | Administrative & support | 2005 |
| Felibelle Ltd | Wholesale & retail | 2025 |
| Fellows Advisory Limited | Professional & scientific | 2026 |
| Fellowship Educational Society | Education | 2006 |
| Felton Consulting Ltd | Professional & scientific | 2014 |
| Fencebright Limited | Education | 2004 |
| FENIX24 Ltd | Information & communication | 2023 |
| Ferranti Limited | Financial services | 2015 |
| Fettin Surveying Ltd | Professional & scientific | 2025 |
| FG PM Services Ltd | Professional & scientific | 2025 |
| Fibre Network Solutions Holdings Limited | Financial services | 2022 |
| Fibre Network Solutions Limited | Information & communication | 2015 |
| Fidez Ltd | Real estate | 2024 |
| Field & Field Quality Building Services Ltd | Construction | 2017 |
| Field Point Sales & Marketing Ltd | Wholesale & retail | 2025 |