| Equell Nutrition Limited | Wholesale & retail | 2024 |
| Equity Release Midlands Limited | Financial services | 2020 |
| Erewash Court Management Company Limited | Real estate | 2024 |
| Ergodicity Limited | Information & communication | 2014 |
| Eric's Fuels Limited | Transport & logistics | 1994 |
| Ernex Ltd | Information & communication | 2026 |
| ESF Events Limited | Administrative & support | 2011 |
| ESF Leisure Limited | Professional & scientific | 2011 |
| Esynergy Facilities Limited | Administrative & support | 2017 |
| Esynergy Recycling Limited | Water & waste | 2018 |
| Etherington HR Ltd | Administrative & support | 2010 |
| Eugensoaredelivery Ltd | Transport & logistics | 2021 |
| Euintown Property Ltd | Real estate | 2025 |
| Euro Assets Limited | Other services | 1993 |
| European Market ST Ltd | Wholesale & retail | 2025 |
| Evolution Theatre Ltd | Arts & recreation | 2025 |
| Evolv Solutions Limited | Information & communication | 2025 |
| Evopod Ltd | Wholesale & retail | 2025 |
| Evrtek Limited | Information & communication | 2024 |
| Exact Screed Limited | Construction | 2022 |
| Excellence Health & Wellbeing Ltd. | Other services | 2017 |
| Excelliott Ltd | Extraterritorial | 2021 |
| Exceptio Limited | Manufacturing | 2007 |
| Experius Consulting Limited | Professional & scientific | 2023 |
| Expert OTS Limited | Health & social care | 2014 |
| Explore Impossible Limited | Professional & scientific | 2018 |
| Expost Holdings Limited | Administrative & support | 2015 |
| Expost [South West] Ltd | Transport & logistics | 2023 |
| Eyetee Network Solutions Ltd | Wholesale & retail | 2001 |
| F.G.Johnson Limited | Agriculture & fishing | 1954 |
| Factory-Link Ltd | Manufacturing | 2024 |
| Fahr Beyond | Education | 2017 |
| Fairwaycoachingconsultancy Ltd | Professional & scientific | 2021 |
| Fairyhill Limited | Construction | 1997 |
| Falconix Xviii Limited | Wholesale & retail | 2026 |
| Fanion Limited | Professional & scientific | 2025 |
| Farm Solutions Holdings Limited | Financial services | 2024 |
| Farm Veterinary Aviation Ltd | Administrative & support | 2013 |
| Farm Veterinary Solutions Limited | Professional & scientific | 2024 |
| Farmer Barnes Ltd | Agriculture & fishing | 2021 |
| Farringdon Consultants Limited | Professional & scientific | 2009 |
| Fearless & Feral Limited | Manufacturing | 2025 |
| Feast and the Furious Ltd | Manufacturing | 2021 |
| Fencescape Solutions Ltd | Construction | 2025 |
| Ferncombe Limited | Real estate | 1962 |
| Ffaf Ltd | Arts & recreation | 2013 |
| Fidelis Agencies Ltd | Wholesale & retail | 2025 |
| Field Care Solutions Ltd | Water & waste | 2026 |
| Field Farm Developments Ltd | Construction | 2025 |
| Field Herping Network Ltd | Administrative & support | 2026 |
| Field Management (Melton) Limited | Households | 2022 |
| Fieldfare Communications Ltd | Professional & scientific | 2025 |
| Fika Group Limited | Hospitality | 2025 |
| Finborough Management Co. Limited | Professional & scientific | 2002 |
| Finding Balance CIC | Other services | 2023 |
| Fine Rooms & Interiors Ltd | Manufacturing | 2019 |
| Finely Balanced Limited | Information & communication | 2024 |
| Finesse H R Limited | Information & communication | 1998 |
| First 4 Education (UK) Limited | Extraterritorial | 2011 |
| First FED Ltd | Financial services | 2023 |
| First Service Distribution Ltd | Transport & logistics | 2020 |
| Firsthealth Solutions Limited | Information & communication | 2003 |
| Fisher Relocation Services Limited | Professional & scientific | 2014 |
| Fisher Transport Ltd | Transport & logistics | 2004 |
| Fitfield Solution Ltd | Water & waste | 2025 |
| Five Star Facility Services Ltd | Administrative & support | 2015 |
| Flawford Farm Limited | Agriculture & fishing | 1978 |
| Flawless Pro Ltd | Hospitality | 2023 |
| Fleece Pubs Ltd. | Real estate | 2013 |
| Flexachem U.K. Limited | Other services | 2010 |
| Flextraction Limited | Professional & scientific | 1997 |
| Flowgreens Limited | Manufacturing | 2024 |
| FMA Trans Ltd | Transport & logistics | 2022 |
| Folding Stuff Limited | Manufacturing | 2018 |
| Follow on Tours Limited | Administrative & support | 2026 |
| Force Horizon Ltd | Manufacturing | 2019 |
| Forecourt Funding Limited | Professional & scientific | 2021 |
| Foresight Pest Management (Nottingham) Ltd | Administrative & support | 2008 |
| Forest Property Maintenance Ltd | Real estate | 2024 |
| Forge Fit Evolve Ltd | Other services | 2024 |
| Forrester Academies Limited | Arts & recreation | 2013 |
| Fortis CBS Ltd | Real estate | 2021 |
| Fortis Tax Limited | Professional & scientific | 2025 |
| Forward Energy Ltd | Professional & scientific | 2011 |
| Forward Energy Solutions (UK) Ltd | Professional & scientific | 2012 |
| Foundry Agency Ltd | Professional & scientific | 2018 |
| Four Counties Landscaping Services Limited | Administrative & support | 2015 |
| Four Hills Welding Services Ltd | Construction | 2008 |
| FOX Consultancy Services (Leics) Ltd | Professional & scientific | 2024 |
| FOX Sports (Nationwide) Ltd | Manufacturing | 2014 |
| Foxglove Limited | Real estate | 1984 |
| Foxglove Travel Limited | Transport & logistics | 2003 |
| Framland Farm Limited | Agriculture & fishing | 1995 |
| Francis Psychology Consultancy Ltd | Health & social care | 2021 |
| FRC Timber Frames Limited | Construction | 2016 |
| Free Gym Ltd | Administrative & support | 2017 |
| Freedom Cleaning Ltd | Administrative & support | 2023 |
| Frenchvines Limited | Wholesale & retail | 2005 |
| Frjm Limited | Construction | 2020 |
| Front Foot Advisory Ltd | Professional & scientific | 2026 |