| E12 Media Services Ltd. | Barking | 2021 |
| E13 Events Limited | Romford | 2019 |
| E13 Memorabilia Ltd | Romford | 2023 |
| E13 Tours Ltd | Romford | 2024 |
| E17 BOY Productions Limited | Chingford | 2018 |
| E1VN Ltd | Broxbourne | 2024 |
| E2E Events Ltd | Leatherhead | 2013 |
| E2K UK Limited | London | 2022 |
| E3 Events Limited | Eastbourne | 2010 |
| E3 Production Limited | East Sussex | 2006 |
| E3 Sports Events Ltd | Eastbourne | 2023 |
| E3 Sports Limited | Grimsby | 2013 |
| E33 Dance Company CIC | London | 2015 |
| E4 Fitness & Leisure Limited | Romford | 2005 |
| E4 Personal Training Ltd | Berwick-Upon-Tweed | 2016 |
| E4ENTERTAINMENTS Ltd | Rugby | 2025 |
| E5 Design and Illustration Limited | Taunton | 2022 |
| E52 Ltd | Hull | 2013 |
| E5ARTS Limited | London | 2023 |
| E6 Sports Ltd | Wickford | 2019 |
| E616 Ltd | Aldershot | 2022 |
| E7 Movement Ltd | London | 2023 |
| E927 CIC | Kirkby Stephen | 2026 |
| EA Academy Limited | London | 2018 |
| EA Coaching Ltd | Attleborough | 2013 |
| EA Creativeart Ltd | London | 2023 |
| EA Festival Limited | Sudbury | 2021 |
| EA Fitness (Warrington) Limited | Warrington | 2023 |
| EA Leisure Ltd | Eye | 2025 |
| EA Play Limited | Tamworth | 2019 |
| EA Sports Agent Ltd | Cambridge | 2019 |
| EA Tennis Group CIC | London | 2018 |
| EA Training Ltd | West Drayton | 2021 |
| EA02 Limited | Newport | 2022 |
| EA44 Limited | London | 2018 |
| EAC Coaching Ltd | Ashford | 2024 |
| EAC Fitness Limited | Dungannon | 2025 |
| Eachan Design Ltd. | London | 2013 |
| Eaek Limited | London | 2024 |
| Eagency (Kent) Limited | Herne Bay | 2025 |
| Eagle and Salmon Ltd | Manchester | 2021 |
| Eagle Bay BX Ltd | London | 2023 |
| Eagle Bay Golf Ltd | Derby | 2025 |
| Eagle Club Golf Ltd | Billericay | 2025 |
| Eagle Evolution Ltd | Minehead | 2016 |
| Eagle Film Services Limited | Nr Cardiff | 1982 |
| Eagle Glen Community Partnership Ltd | Coleraine | 2011 |
| Eagle Golf Simulations Ltd | Thatcham | 2023 |
| Eagle Heights Wildlife Foundation | Sevenoaks | 2013 |
| Eagle Investments 2017 Limited | London | 2017 |
| Eagle Point Limited | Salisbury | 2014 |
| Eagle Productions International Limited | Coalville | 2009 |
| Eagle Show Limited | Hove | 2025 |
| Eagles Acro Ltd | Kingsbridge | 2006 |
| Eagles Community Arena Limited | Newcastle Upon Tyne | 2018 |
| Eagles Community Foundation | Newcastle Upon Tyne | 2005 |
| Eagles Golf & Tennis Centre Limited | Wisbech | 2003 |
| Eagles Gymnastics Club Ltd | King'S Lynn | 2017 |
| Eagles Indoor Golf Limited | Gloucester | 2021 |
| Eagles Leisure Limited | Tunbridge Wells | 2026 |
| Eaglescliffe and District Golf Company Limited | Stockton On Tees | 1914 |
| Eaglesham Tartan Army Limited | Edinburgh | 2024 |
| Eaglets Handball Academy Ltd | London | 2024 |
| Eaka Ltd | Thetford | 2022 |
| EAL Martial Arts Ltd | Birmingham | 2025 |
| Ealey Films Ltd | Liverpool | 2021 |
| Ealing Canoe Club | Perivale | 2012 |
| Ealing Cricket & Social Club Limited | London | 2011 |
| Ealing Cricket Club | London | 2011 |
| Ealing Fitness Limited | Dudley | 2024 |
| Ealing Golf Club (1923) Limited | Greenford | 1923 |
| Ealing Gymnastics Limited | High Wycombe | 2017 |
| Ealing Health and Fitness Limited | London | 2021 |
| Ealing Hockey Limited | London | 2018 |
| Ealing Judo Club Ltd | Guildford | 2024 |
| Ealing Lawn Tennis Club Limited | Ealing | 1982 |
| Ealing Performance + Arts Centre | London | 2010 |
| Ealing Personal Training Ltd | Harrow | 2006 |
| Ealing Studios Operations Limited | London | 2000 |
| Ealing Swimming Club Limited | Northolt | 2011 |
| Ealing Symphony Orchestra Productions Ltd | London | 2017 |
| Ealing Trailfinders Cricket Club Limited | London | 2013 |
| Ealing Trailfinders Professional Rugby Management Limited | London | 2014 |
| Ealing Weightlifting Club CIC | Perivale | 2024 |
| Ealing Youth Orchestra | London | 1997 |
| Ealing Youth Orchestra Concerts Limited | London | 2023 |
| Ealingreformer Ltd | London | 2024 |
| EAM Bloodstock Limited | Fordham Ely | 2018 |
| EAM Equestrian Limited | Cheltenham | 2017 |
| EAM Studio Limited | Bromsgrove | 2022 |
| Eamac Ltd | Walton On The Hill | 2014 |
| Eames Music Limited | London | 2017 |
| Eamonart Ltd | Southampton | 2024 |
| Eamont Competition Horses Ltd | Penrith | 2012 |
| EAR Parcel Limited | Brighton | 2013 |
| EAR to the Ground (UK) Ltd | Manchester | 2003 |
| EAR Trumpet Music Ltd | Bristol | 2017 |
| Earby Fitness Mill Limited | Barnoldswick | 2013 |
| Earcandy Entertainment Limited | Bradford | 2019 |
| Earl Arts Limited | Manchester | 2009 |