| Embr Wellness Ltd | Arts & recreation | 2026 |
| Emerald Professionals Limited | Professional & scientific | 2014 |
| Emij Consultancy Ltd | Administrative & support | 2015 |
| Emily Yell Advisory Limited | Professional & scientific | 2020 |
| Emin Barbers Ltd | Other services | 2025 |
| Emma James Consulting Ltd | Health & social care | 2024 |
| Empowerment Strategies Ltd | Professional & scientific | 2022 |
| Enemy Team Limited | Information & communication | 2022 |
| Energenic Technology Limited | Professional & scientific | 2025 |
| Engage+Connect Advisory Ltd | Professional & scientific | 2021 |
| Enhanced M&E Ltd | Administrative & support | 2025 |
| Enterprise Recruitment Holdings Ltd | Administrative & support | 2018 |
| Enterprise Recruitment Limited | Administrative & support | 2001 |
| Entre Tiempos Limited | Professional & scientific | 2021 |
| Envir & Cult Collective Limited | Professional & scientific | 2017 |
| Epicure Old Town Limited | Hospitality | 2024 |
| Eprofiler Solutions Ltd | Manufacturing | 2020 |
| Epts EV Services Ltd | Wholesale & retail | 2025 |
| Epts Group Ltd | Manufacturing | 2021 |
| Equus Stables Ltd | Agriculture & fishing | 2024 |
| Eric Metcalfe Limited | Information & communication | 2010 |
| Errisgold Ltd | Professional & scientific | 2018 |
| ESB Extract Limited | Information & communication | 2009 |
| ESC Associates Ltd | Professional & scientific | 2025 |
| ESL3 Limited | Professional & scientific | 2026 |
| Esmeralda 56 Limited | Hospitality | 2013 |
| Espinhill Limited | Real estate | 1999 |
| Esre Ltd | Real estate | 2019 |
| Essex Estates Limited | Real estate | 2020 |
| Estarli EV Limited | Manufacturing | 2020 |
| Ethical Quest Ltd | Professional & scientific | 2012 |
| Ethical Shopper Limited | Extraterritorial | 2000 |
| Euan Ltd | Wholesale & retail | 2024 |
| Eurodata Building Services Ltd | Construction | 1994 |
| Euroroute Network Solutions Limited | Wholesale & retail | 2022 |
| Event Hosts Ltd | Other services | 2015 |
| Event Supplier and Services Association Limited | Other services | 2008 |
| Events by Jenny Scott Limited | Administrative & support | 2015 |
| Eventuality Events Group Limited | Professional & scientific | 2023 |
| Everest Plant Limited | Construction | 2003 |
| Evil Rock Limited | Information & communication | 2024 |
| Evolving Landscapes Limited | Administrative & support | 2015 |
| Exactoris Ltd | Transport & logistics | 2025 |
| Expoteam Container Storage Ltd | Transport & logistics | 2020 |
| Expoteam Display Contracts Limited | Professional & scientific | 2007 |
| Ezysell Ltd | Wholesale & retail | 2005 |
| F P Davern Limited | Professional & scientific | 2020 |
| Fabricateclt Limited | Construction | 2026 |
| Faire Food and Beverage Limited | Manufacturing | 2026 |
| Faire Stores Ltd | Wholesale & retail | 2021 |
| Falcon Shooting Company Ltd | Wholesale & retail | 2024 |
| Fallow Services Limited | Manufacturing | 1996 |
| Fantastic Gadget Repairs Ltd | Wholesale & retail | 2023 |
| Farnham Lodge Ltd | Financial services | 2025 |
| Farol Recruitment Group Ltd | Administrative & support | 2026 |
| Farrell Associates Limited | Administrative & support | 2009 |
| Farris Associates Limited | Construction | 2016 |
| Fastflow Heating Solutions Ltd | Construction | 2019 |
| FDG UK Ltd | Information & communication | 2023 |
| Febonio Ltd | Manufacturing | 2019 |
| Felicity Webster Limited | Professional & scientific | 2010 |
| FER Forge Ltd | Manufacturing | 2016 |
| Ferio Planning Limited | Professional & scientific | 2023 |
| Fernwood Solutions Limited | Professional & scientific | 2008 |
| Fibersense UK Holdings Ltd | Professional & scientific | 2025 |
| Filter One Limited | Professional & scientific | 1999 |
| Find Your Fabulous Life Ltd | Health & social care | 2022 |
| Fineline Design and Planning Limited | Administrative & support | 2008 |
| Finial Associates Limited | Professional & scientific | 2025 |
| Finlinson (Holdings) Limited | Real estate | 1976 |
| Finway Court Management Limited | Households | 1985 |
| First Line Fire Services Ltd | Public administration | 2023 |
| First Track Management Limited | Administrative & support | 2013 |
| Fisher Sewell Property Limited | Real estate | 2025 |
| Fit System Training Ltd | Health & social care | 2011 |
| Fitkins Meadow Management Ltd | Households | 2020 |
| FJS Interim Limited | Professional & scientific | 2013 |
| Flairnote Limited | Construction | 1979 |
| Flamepro Limited | Hospitality | 1998 |
| Flawless Kupcakes Ltd | Manufacturing | 2020 |
| Flex Talent Solutions Ltd | Administrative & support | 2026 |
| Food Safety Consultancy Limited | Professional & scientific | 2018 |
| Footprints Psychotherapy Ltd | Health & social care | 2024 |
| Forbes Creative Limited | Professional & scientific | 2022 |
| Fordree Metcalfe Limited | Real estate | 2014 |
| Forget ME Nots Vintage Ltd | Wholesale & retail | 2012 |
| Forte Systems (UK) Limited | Information & communication | 1998 |
| Fortis Payroll Solutions Limited | Administrative & support | 2026 |
| Foundry Close Management Co Limited | Households | 2017 |
| Four Acres Nursery Limited | Wholesale & retail | 2023 |
| Fourtortej Ltd | Wholesale & retail | 2019 |
| Framework (Specialist Works) Limited | Construction | 1993 |
| Framework Foundation Limited | Administrative & support | 2011 |
| Framework Scaffolding Contractors Limited | Construction | 2012 |
| Frankum Mews Development Ltd | Construction | 2017 |
| Frankum Mews Limited | Construction | 2018 |
| Frankum Mews Management Company Limited | Households | 2025 |
| Fraser Stevens Learning LLP | | 2015 |
| Free Range Audio Limited | Information & communication | 2002 |
| Freedom Business Holding Ltd | Professional & scientific | 2024 |