| EGS Enterprises Limited | Education | 2014 |
| EH Commercial Services Limited | Public administration | 2016 |
| Eight Brands Limited | Hospitality | 2017 |
| EK Sales Consultancy Limited | Professional & scientific | 2023 |
| EL & RK Properties Ltd | Real estate | 2021 |
| Elas Operations Limited | Professional & scientific | 2025 |
| Elearning SHE Limited | Information & communication | 2018 |
| Electrading Ltd | Wholesale & retail | 2017 |
| Elizabeth J Robb Limited | Professional & scientific | 2010 |
| Elliptic Curve Ltd. | Information & communication | 2020 |
| Elstead Montague Limited | Other services | 2013 |
| Elysium Tiling Contractors Ltd | Construction | 2026 |
| Embrace Family Ltd | Health & social care | 2023 |
| EMC Actuarial and Analytics Ltd | Financial services | 2017 |
| Emerging Minds Ltd | Health & social care | 2023 |
| Emma-Leone Palmer Ltd | Arts & recreation | 2022 |
| Emon (UK) Limited | Mining & quarrying | 2009 |
| ENA Capital Ltd | Real estate | 2020 |
| ENA Consulting Ltd | Professional & scientific | 2019 |
| Enableworks Services Ltd | Professional & scientific | 2026 |
| Encompass Furniture & Accessories Ltd | Wholesale & retail | 2005 |
| Enfants Chics Ltd | Wholesale & retail | 2022 |
| Enhance Corporation Limited | Information & communication | 2003 |
| Enitharmon Editions Limited | Information & communication | 2001 |
| Entertainment for Social Media Ltd | Information & communication | 2009 |
| Ep&F Capital PLC | Financial services | 2004 |
| EPF Carpentry & Building Ltd | Construction | 2014 |
| Epheamie Limited | Information & communication | 2024 |
| Equilibrium Studios Limited | Arts & recreation | 2019 |
| Eric Ambler Literary Management Limited | Information & communication | 2008 |
| Errey Limited | Professional & scientific | 2011 |
| ESE Consulting Ltd | Professional & scientific | 2023 |
| Estoril Design Limited | Professional & scientific | 2012 |
| Eunicem Ltd | Health & social care | 2014 |
| Euribia Management Ltd | Professional & scientific | 1998 |
| Europacific Communications Ltd | Information & communication | 2009 |
| European Passenger Services Ltd | Transport & logistics | 2025 |
| EVE Expeditions CIC | Administrative & support | 2020 |
| Event Technologies Limited | Information & communication | 2005 |
| Evertor BIO Limited | Construction | 2017 |
| Evolution Audio Visual Ltd | Information & communication | 2008 |
| Exail Limited | Wholesale & retail | 2004 |
| Eyas Limited | Administrative & support | 1980 |
| EZI Methods Ltd | Extraterritorial | 2025 |
| Falle Limited | Information & communication | 2017 |
| Fand Music Press Limited | Extraterritorial | 1998 |
| Farnham Electrical Limited | Construction | 2022 |
| Fast Drains Limited | Water & waste | 2025 |
| FDP Group Ltd | Professional & scientific | 2026 |
| Feefo Holdings Limited | Information & communication | 2010 |
| Feefo Ltd | Extraterritorial | 2014 |
| Felix Lewis Limited | Transport & logistics | 2015 |
| Fenteq Limited | Wholesale & retail | 2013 |
| Fifth Fuel Assessments Limited | Professional & scientific | 2016 |
| Filling Meals Limited | Arts & recreation | 2025 |
| Final Form Ltd | Manufacturing | 2025 |
| Firebar Ltd | Manufacturing | 2025 |
| Firestone Accountants Limited | Professional & scientific | 2016 |
| Firethorn Insight Ltd | Professional & scientific | 2024 |
| First Oak Capital Limited | Wholesale & retail | 2022 |
| Firstpark Investments Limited | Administrative & support | 2018 |
| Firth Consulting Limited | Professional & scientific | 2007 |
| Fission and Bloom Ltd | Manufacturing | 2023 |
| Fit Hire Limited | Administrative & support | 2006 |
| Fitstory Media and Consulting Ltd | Professional & scientific | 2023 |
| Fitzroy Support | Health & social care | 1992 |
| Fitzroy Support Services Limited | Health & social care | 2023 |
| Flecto Contracts Ltd | Administrative & support | 2025 |
| Fleming Films Limited | Information & communication | 2012 |
| Flint Media & Communications Ltd | Professional & scientific | 2020 |
| Flint+Dean Ltd | Construction | 2017 |
| Flora Rosabel Richardson Limited | Extraterritorial | 2023 |
| Florence Nightingale Films Limited | Information & communication | 2018 |
| Fluro Promotions Ltd | Arts & recreation | 2021 |
| FMI Engineering Limited | Professional & scientific | 2013 |
| FN Acquisitions Ltd | Professional & scientific | 2010 |
| Folly Wines and ALE House Limited | Hospitality | 2002 |
| Footsolutions Limited | Other services | 2007 |
| Forest Framing Ltd | Manufacturing | 2024 |
| Forestglade Paws and Play Limited | Other services | 2025 |
| Forget-Me-Not Rail Ltd | Administrative & support | 2013 |
| Formulux Property Services Ltd | Construction | 2025 |
| Forwood Consulting Ltd. | Professional & scientific | 2021 |
| Foxcombe Farms Limited | Professional & scientific | 1998 |
| Foxfield Group Ltd | Extraterritorial | 2026 |
| Fractal Coaching Ltd | Other services | 2015 |
| Fraine Limited | Real estate | 2011 |
| Fraiser Projects Ltd | Construction | 2025 |
| Frantz Construction Ltd | Construction | 2018 |
| Frazer-Nash Holdings Limited | Professional & scientific | 1990 |
| Frazer-Nash Manufacturing Limited | Manufacturing | 1990 |
| Freedom Web Designs Ltd | Professional & scientific | 2011 |
| Freetime Services Ltd | Administrative & support | 2003 |
| French Cottage Retreats Ltd | Administrative & support | 2006 |
| Fungicated Limited | Agriculture & fishing | 2024 |
| Furniture LAB Ltd | Wholesale & retail | 2018 |
| Furse Electrical Services Ltd | Construction | 2020 |
| Futuresys Limited | Wholesale & retail | 2004 |
| FWR Technical Ltd | Professional & scientific | 2017 |
| Fyning Hill Estates Limited | Other services | 2018 |