| Easterhouse Sun Ltd | Paisley | 2011 |
| Eastern Angles Production Limited | Ipswich | 2014 |
| Eastern Angles Theatre Company Limited | Ipswich | 1984 |
| Eastern Automatics Limited | Lincolnshire | 2005 |
| Eastern Ballet Productions Ltd | Stratford-Upon-Avon | 2023 |
| Eastern Co Yachting Limited | Egham | 2018 |
| Eastern Counties Football League Limited | Brentwood | 2007 |
| Eastern Counties Motorsport Club Ltd | Ipswich | 2023 |
| Eastern Counties Railway Company Limited | Essex | 1988 |
| Eastern Folkloric | Norwich | 2023 |
| Eastern Illusion Ltd | Borehamwood | 2007 |
| Eastern INK Limited | Peterborough | 2009 |
| Eastern Kula Ltd | London | 2021 |
| Eastern Kula UK Ltd | London | 2021 |
| Eastern Pyro Ltd. | Hull | 2009 |
| Eastern Road Films Ltd | London | 2020 |
| Eastern Thespians Wimbledon Limited | Dunmow | 2022 |
| Eastern Tigers Cricket Club | London | 2019 |
| Eastern White Ltd | Nottingham | 2025 |
| Eastfield FC Limited | London | 2019 |
| Eastfield Media Ltd | Spalding | 2006 |
| Eastgate Club Lincoln Ltd | Lincoln | 2023 |
| Easthams Wellness Ltd | Marlborough | 2026 |
| Eastlake Productions Ltd | Wallsend | 2025 |
| Eastleigh Events Limited | North Leigh | 2024 |
| Eastleigh Football Club Community Trust | Eastleigh | 2019 |
| Eastleigh Football Club Limited | Eastleigh | 2005 |
| Eastleigh Pride CIC | Southampton | 2019 |
| Eastleigh Swim Club Limited | Winchester | 2011 |
| Eastminster Events Ltd | Sandhurst | 2024 |
| Eastminster School of Riding Limited | Sandhurst | 1976 |
| Eastmoor Amateur Sports Club Limited | Wakefield | 1974 |
| Eastmoors Riding School & Livery Limited | New Milton | 2017 |
| Eastnor Rising Ltd | Birmingham | 2018 |
| Easton Events Company Limited | Woodbridge | 1994 |
| Easton Farm Park Ltd | Grantham | 2024 |
| Eastone Recordings C.I.C. | Cornwall | 2013 |
| Eastonswing Ltd | London | 2012 |
| Eastside Arts | Belfast | 2015 |
| Eastside Community Heritage | London | 1998 |
| Eastside Community Sports | Hull | 2007 |
| Eastside Events and Promotions Ltd | Tynemouth | 2012 |
| Eastside Future Sports Ltd | Essex | 2024 |
| Eastside Gym Ltd | Hull | 2011 |
| Eastside Leisure Limited | Loughton | 2001 |
| Eastside Projects Limited | Birmingham | 2007 |
| Eastside Strength Limited | Tranent | 2024 |
| Eastside United FC Ltd | Manchester | 2026 |
| Eastview Way (UK) PTY Ltd | London | 2025 |
| Eastville Park Lido C.I.C. | Bristol | 2022 |
| Eastville Project Ltd | Yeovil | 2020 |
| Eastville Project Space Limited | Yeovil | 2016 |
| Eastwood Chamber Orchestra Ltd | Reading | 2020 |
| Eastwood Common Limited | London | 2022 |
| Eastwood Community Football Club CIC | Harrow | 2014 |
| Eastwood Estate Golf & Leisure Limited | Glasgow | 2018 |
| Eastwood Farm Equestrian Ltd | Albourne | 2024 |
| Eastwood Fine Art Limited | Stockbridge | 2014 |
| Eastwoodfit Ltd | Chichester | 2021 |
| Easy Beesy Limited | Hove | 2011 |
| Easy Crafts Ideas Ltd | Swanley | 2025 |
| Easy Does Coaching Ltd | Braintree | 2023 |
| Easy Entry Computer Systems Limited | Bournemouth | 2003 |
| Easy Gym (SW) Limited | Middlesbrough | 2011 |
| Easy on the EYE Productions Ltd | 5Th Floor | 2026 |
| Easy One Property Deals Ltd | Macclesfield | 2021 |
| Easy Padel Ltd | Sheffield | 2025 |
| Easy ST Personal Training and Physiotherapy Limited | Heywood | 2017 |
| Easy Studios Limited | Hollinwood | 2018 |
| Easy Tiger Events NW Ltd | Preston | 2020 |
| Easy Tigers Indoor Play Centres Limited | Derby | 2004 |
| Easyforce Limited | Bridlington | 2019 |
| Easyriders Holidays Limited | Poole | 2023 |
| Easyriders Limited | Poole | 2006 |
| Easystrong Coaching Ltd | Nottingham | 2020 |
| Easytone Ltd | Newhaven | 2015 |
| Easytwogame Ltd | London | 2026 |
| EAT N' Bowl Enterprises Limited | Cambridgeshire | 1996 |
| EAT Art Venue Ltd | Leeds | 2014 |
| EAT ME Club CIC | Liverpool | 2022 |
| EAT Sleep Padel Limited | Lincoln | 2025 |
| EAT Smart Move More Fitness and Nutrition Limited | Halifax | 2025 |
| EAT Sweat Play Project (Broedmachine) Limited | London | 2018 |
| EAT the Rich Limited | London | 2013 |
| EAT Train Gain Wellness Ltd | Pinner | 2025 |
| EAT Train Live Fitness Ltd | St. Asaph | 2017 |
| EAT Train Live Ltd | Workington | 2017 |
| EAT Your Own Ears Limited | Stockport | 2007 |
| EAT Your Own Ears Recordings Ltd | London | 2021 |
| Eaton Golf Club (Norwich) Limited | Norwich | 1997 |
| Eaton Golf Club Limited | Chester | 1991 |
| Eaton Park Crazy Golf Limited | Norwich | 2025 |
| Eats and Beats Glasgow Limited | Clydebank | 2015 |
| Eats Everything Limited | London | 2012 |
| Eatson-Lloyd Ltd | Camberwell | 2024 |
| Eattrainheal Limited | Newport | 2026 |
| Eaturartout Ltd | Andover | 2019 |
| Eauc&Ac (Trading) Ltd | Leeds | 2026 |
| EB Academy Limited | Milton Keynes | 2018 |
| EB Equestrian Ltd | Burnley | 2025 |