| Europla Eastern Imports Limited | Wholesale & retail | 2017 |
| Eurotech Medical Ltd | Wholesale & retail | 2006 |
| Eurypterid Limited | Manufacturing | 2024 |
| Eutykhia Limited | Hospitality | 2023 |
| Eva's Clinic Bath Limited | Other services | 2020 |
| Eveleigh Healthcare Limited | Health & social care | 2023 |
| Even Better IF Tutoring Ltd | Education | 2021 |
| Evenden Heavy Industries Ltd | Arts & recreation | 2022 |
| Event Insurance Services Limited | Financial services | 1996 |
| Event Management Services Ltd | Administrative & support | 2004 |
| Eventech Systems Limited | Information & communication | 2024 |
| Events of Wonder | Administrative & support | 2019 |
| Eventweave Limited | Administrative & support | 2024 |
| Everchange Consultancy Ltd | Professional & scientific | 2020 |
| Everes Limited | Manufacturing | 2025 |
| Everett Software Limited | Information & communication | 2025 |
| Everfit Ltd | Education | 2025 |
| Every Body Collective CIC | Education | 2026 |
| Every Cloud Creative Limited | Professional & scientific | 2020 |
| Everyflavour Limited | Information & communication | 2007 |
| Everything IT Ltd | Information & communication | 2011 |
| Everything Sicily Ltd | Wholesale & retail | 2024 |
| EVO Sports Ltd | Education | 2022 |
| Evobot Limited | Information & communication | 2016 |
| Evolve Bricklaying Ltd | Construction | 2016 |
| Evolve Country Pubs Limited | Hospitality | 2021 |
| Evolve Projects Limited | Professional & scientific | 2013 |
| Evolve Techcon Limited | Information & communication | 2007 |
| Evolved Brands Limited | Manufacturing | 2016 |
| Evoque Lettings Limited | Real estate | 2026 |
| Evzin Smile Limited | Health & social care | 2024 |
| Excel 2DAY Ltd | Professional & scientific | 2017 |
| Excel Collective Ltd | Information & communication | 2025 |
| Excel Tennis Limited | Arts & recreation | 1985 |
| Exchangeaway Limited | Information & communication | 2010 |
| Exclusive Medical Aesthetics Ltd | Other services | 2026 |
| Exclusive Memorials Limited | Construction | 2003 |
| Exclusive Travel Network Limited | Administrative & support | 1999 |
| Execute Well Limited | Professional & scientific | 2022 |
| Executive Industry Events Limited | Administrative & support | 2015 |
| Executive Peer Networks Limited | Professional & scientific | 2011 |
| Executive Search Partners Limited | Administrative & support | 2005 |
| EXIT60 Ltd | Arts & recreation | 2022 |
| Exitsphere Ltd | Wholesale & retail | 2023 |
| Experience Counts Limited | Administrative & support | 2000 |
| Experience Overseas Ltd | Education | 2018 |
| Expert One Limited | Professional & scientific | 1992 |
| Experts Exchange Limited | Mining & quarrying | 2008 |
| Explaining AI Limited | Information & communication | 2025 |
| Export Energy Limited | Professional & scientific | 2023 |
| Express Pizza Ltd | Hospitality | 2024 |
| Exquisite Spice Limited | Hospitality | 2019 |
| EXT Street Ltd | Information & communication | 2023 |
| Extended Reach Limited | Professional & scientific | 2025 |
| Extra Miles Motoring Ltd | Wholesale & retail | 2025 |
| Extracted Ltd | Professional & scientific | 2020 |
| Eyad Limited | Wholesale & retail | 2018 |
| EYE PR LLP | | 2009 |
| EYE Think Limited | Professional & scientific | 2018 |
| Eyecare Information Service | Professional & scientific | 1993 |
| Eyedrivetool Limited | Manufacturing | 2025 |
| Eyeplan Holdings Ltd | Financial services | 1999 |
| Eyeplan IT Ltd | Other services | 2011 |
| Eyeplan Ltd. | Professional & scientific | 1997 |
| Eyeplanet Ltd | Other services | 2011 |
| Eyepsy Consulting Limited | Professional & scientific | 2012 |
| Eyetech Building Ltd | Construction | 1997 |
| Eyetech Ltd | Health & social care | 2003 |
| F & S Property Lettings Ltd | Real estate | 2021 |
| F B Management and Consultancy Limited | Real estate | 2024 |
| F J Lovell Landscapes Limited | Administrative & support | 2006 |
| F&G Sales Limited | Wholesale & retail | 2020 |
| F. & C. Properties Limited | Real estate | 1956 |
| F. a. Young Farm Produce Limited | Manufacturing | 2007 |
| F.R. DAW Limited | Wholesale & retail | 1974 |
| F.W.Whitchurch Limited | Manufacturing | 1960 |
| F10 Ltd | Extraterritorial | 2024 |
| FAB Financial Modelling Ltd | Professional & scientific | 2018 |
| FAB Journeys Limited | Administrative & support | 2025 |
| Facade Hoists International Limited | Manufacturing | 1997 |
| Factfinder Limited | Information & communication | 1998 |
| Factorscan Limited | Administrative & support | 1985 |
| Fading Ember Ltd | Extraterritorial | 2025 |
| Fagd Limited | Financial services | 2023 |
| Fair Consultancy Services Limited | Professional & scientific | 2002 |
| Fairfield Banks Limited | Construction | 2009 |
| Fairfield Development Services Ltd | Administrative & support | 2025 |
| Fairfield House Bath CIC | Real estate | 2019 |
| Fairfield Software Solutions Limited | Information & communication | 2011 |
| Fairissues Limited | Professional & scientific | 1999 |
| Fairoaks Property Services Ltd | Extraterritorial | 2023 |
| Fairsuper Limited | Professional & scientific | 2008 |
| Fairtree Hospitality Private Equity Limited | Professional & scientific | 2021 |
| Fairtree Hotels Limited | Financial services | 2021 |
| Fairtree Hotels Midco Limited | Financial services | 2021 |
| Fake Realities Ltd | Information & communication | 2024 |
| Family Media Ltd | Information & communication | 2014 |
| Famous Websites Ltd | Hospitality | 2013 |
| Fancy That of London Limited | Wholesale & retail | 1991 |
| Farleigh Performance Limited | Professional & scientific | 2020 |