| Evolution Wealth Network Limited | Financial services | 2012 |
| Evolutionary Advocacy Firm Limited | Professional & scientific | 2021 |
| Evolve PMO Ltd | Professional & scientific | 2026 |
| Evolved IT Solutions Limited | Information & communication | 2008 |
| Ewac Services Ltd | Administrative & support | 2017 |
| EWE Solutions Ltd | Construction | 2011 |
| Ewhurst Estates Limited | Real estate | 2014 |
| Excel Scientific Solutions Limited | Professional & scientific | 2013 |
| Executive Flight Services (Gatwick) Limited | Transport & logistics | 1982 |
| Executive PA Hub Ltd | Administrative & support | 2019 |
| Exel Office Limited | Wholesale & retail | 2015 |
| Exit Capital Limited | Professional & scientific | 2024 |
| Explosive Engineering Co.,Limited | Administrative & support | 1938 |
| Export for ALL Limited | Professional & scientific | 2021 |
| Expose Holdings Ltd | Administrative & support | 2016 |
| Express Car Parts Ltd | Wholesale & retail | 2008 |
| Extra Mile Recruitment Limited | Administrative & support | 2014 |
| Extravis Limited | Information & communication | 2024 |
| EY Catering Ltd | Hospitality | 2025 |
| Eyeris Leadership Ltd | Professional & scientific | 2023 |
| Eyes on Drainage Services Limited | Water & waste | 2013 |
| EZE Talk Residential Ltd | Information & communication | 2010 |
| Ezwaste Ltd | Water & waste | 2021 |
| F & M Building Services (London) Ltd | Construction | 2012 |
| F S B London Limited | Professional & scientific | 2011 |
| F.B. Estates Southern (NO.4) Limited | Real estate | 1993 |
| F.C UK Consulting Ltd | Professional & scientific | 2024 |
| F.M.S. Limited | Real estate | 1989 |
| FAB Bakes Ltd | Manufacturing | 2022 |
| Faber Consultants Limited | Professional & scientific | 2001 |
| Fabian Schouten Ltd | Other services | 2021 |
| Facade Talent Group Limited | Administrative & support | 2026 |
| Fade to Black Studios Ltd | Information & communication | 2013 |
| Fairfield Gardens (Sussex) Ltd | Households | 2025 |
| Fairkind Ltd | Wholesale & retail | 2017 |
| Fairytale Forest Day Nursery Limited | Health & social care | 2018 |
| Falcon Circle Limited | Information & communication | 2021 |
| Falcon Energy Limited | Professional & scientific | 2006 |
| Fall With Grace Ltd | Wholesale & retail | 2020 |
| Familycasehub Ltd | Information & communication | 2025 |
| Farlington Estates Ltd | Real estate | 2024 |
| Farmanco Limited | Households | 2014 |
| Farrah Homes Ltd | Real estate | 2020 |
| Farrell Flooring Ltd | Administrative & support | 2024 |
| Farthings House Management Limited | Households | 1985 |
| Fasaco Limited | Health & social care | 2016 |
| Faygate Property Holdings Limited | Real estate | 2021 |
| Fbatools Limited | Information & communication | 2026 |
| FBR Express Ltd | Transport & logistics | 2018 |
| FCU Plenums Direct Limited | Wholesale & retail | 2019 |
| FDP Development Ltd | Construction | 2016 |
| Fearless PEN Films Limited | Information & communication | 2016 |
| Feet & Motion Limited | Health & social care | 2018 |
| Felcourt Roofing & Property Maintenance Ltd | Construction | 2014 |
| FEN Plant Hire Limited | Construction | 2019 |
| Ferhat Ltd | Real estate | 2025 |
| Ferment Capital Limited | Professional & scientific | 2018 |
| Fern.Com Limited | Real estate | 1999 |
| Fernbank (Horsham) Maintenance Company Limited | Households | 1971 |
| Ferrisiq Ltd | Information & communication | 2025 |
| Ferry Construction Southern Limited | Construction | 2006 |
| Fersam (U.K.) Limited | Real estate | 2012 |
| Fersam International Ltd | Professional & scientific | 1980 |
| Fides Accountancy Ltd | Professional & scientific | 2025 |
| Fidir Limited | Wholesale & retail | 2016 |
| Field Place Estate Limited | Real estate | 1994 |
| Fieldhaven Limited | Construction | 2003 |
| Fieldside Limited | Administrative & support | 2002 |
| Fifty-First Consulting Ltd | Professional & scientific | 2022 |
| FIG Landscaping Ltd | Administrative & support | 2015 |
| Finance Management Services Limited | Professional & scientific | 2016 |
| Financial ED Coach Ltd | Education | 2026 |
| Financial Music Limited | Financial services | 2005 |
| Find Your CHI Ltd | Wholesale & retail | 2023 |
| Findon Weddings and Funerals Limited | Wholesale & retail | 2023 |
| Fine and Country Horsham Limited | Real estate | 2025 |
| Fine Magazine Limited | Information & communication | 2015 |
| Fine Representation Ltd | Professional & scientific | 2022 |
| Fineder Ltd | Professional & scientific | 2020 |
| Fineline Bespoke Interiors Ltd | Manufacturing | 2020 |
| Finemoss Limited | Arts & recreation | 2003 |
| Finesse Plastering & Rendering Ltd | Construction | 2022 |
| Finovance Ltd | Administrative & support | 2024 |
| Finzar Ltd | Information & communication | 2022 |
| Fiona Beddall Ltd | Information & communication | 2013 |
| Fire & GAS Detection Solutions Limited | Professional & scientific | 2019 |
| Fire and Safety (London) Ltd | Professional & scientific | 2023 |
| Fire Risk UK Limited | Public administration | 2005 |
| Firebird Brewing Company Ltd | Manufacturing | 2013 |
| Firsland Park Estate Limited | Real estate | 2010 |
| First 4 Feet Ltd | Extraterritorial | 2025 |
| First Approach Driving School Ltd | Education | 2019 |
| First Florida Land Limited | Real estate | 1996 |
| First Products Sussex Limited | Wholesale & retail | 2013 |
| Firstlink Business Services Limited | Real estate | 1999 |
| Firstpartner Ltd | Professional & scientific | 2002 |
| Fissure Consulting Limited | Professional & scientific | 2019 |
| Fitness Stars Limited | Arts & recreation | 2021 |
| Fitz PUB Ltd | Hospitality | 2024 |
| Fitzgerald Hospitality Group Ltd | Financial services | 2026 |