| Eastern Farms Limited | Huntingdon | 2007 |
| Eastern Game Ltd. | Cambridge | 2012 |
| Eastern Hardwoods Limited | Harlow | 1989 |
| Eastern Marine Services Limited | Hull | 2023 |
| Eastern Seed Services Ltd | Saxmundham | 2016 |
| Eastern Spreading Limited | Bury St. Edmunds | 2022 |
| Eastern Tree Care Ltd | Bury St Edmunds | 2020 |
| Easterton Farm Park Ltd | Glasgow | 2017 |
| Eastest Ltd | London | 2026 |
| Eastfern Ltd | Muir Of Ord | 2013 |
| Eastfield Farm Blewbury Ltd | Blewbury | 2024 |
| Eastfield Farm Limited | Hull | 2015 |
| Eastfield Farm Residential Home Limited | Beverley | 2003 |
| Eastfield Game Farm Limited | Leyburn | 2008 |
| Eastfield Gundogs Ltd | Newton Abbot | 2019 |
| Eastfield Services (Aggregates) Limited | Grimsby | 2016 |
| Eastfield Stables Limited | Wimborne | 1999 |
| Easthall Farms Trading Ltd | St. Albans | 2023 |
| Eastham & Chippindale Ltd | Stalbridge | 2022 |
| Eastknook Farms Ltd | Chippenham | 2023 |
| Eastland Foresters Limited | Milltimber, Aberdeen | 2007 |
| Eastleigh Fencing Supplies Ltd | Eastleigh | 2010 |
| Eastling Kennels Limited | Doncaster | 2023 |
| Eastman Farm Consulting Limited | Chulmleigh | 2003 |
| Eastmoor Common Limited | Launceston | 2005 |
| Eastmoor Producers Ltd | Sutton-On-The-Forest | 2023 |
| Eastnor Castle Estates Company Limited | Herefordshire | 1940 |
| Easton Farm Limited | Corsham | 2001 |
| Easton Park Estate Limited | Woodbridge | 2026 |
| Easton Tree Services Limited | Chobham | 2019 |
| Eastpro Farms Limited | Scarborough | 2021 |
| Eastside Nursery Ltd | Hertfordshire | 2003 |
| Eastwick Plant Centre Limited | Wrexham | 2013 |
| Eastwood Pest Control Limited | Cheltenham | 2013 |
| Eastwood Services (UK) Ltd | Knaresborough | 2016 |
| Eastwood Tree Services Ltd | Southend-On-Sea | 2019 |
| Eastwoods Equestrian Ltd | Lymington | 2020 |
| Eastworth Farm Limited | Verwood | 1958 |
| Eastyorkshire Marine Ltd | Hessle | 2024 |
| Easy Aquatics Limited | Caterham | 2020 |
| Easy BEE Products Ltd | Oldbury | 2023 |
| Easy Blue Ltd | Cardiff | 2023 |
| Easy Come, Easy Grow MCR Community Interest Company | Manchester | 2024 |
| Easy Pack Haylage Limited | Chichester | 2009 |
| Easylawn Turf Ltd | Hereford | 2015 |
| Easylure Limited | Hereford | 2024 |
| Easytruck Ltd | Ware | 2011 |
| EAT Curious Group Limited | London | 2019 |
| EAT N.I. Ltd | Newtownards | 2016 |
| EAT Wild Limited | London | 2018 |
| Eath Cottage Farriers Ltd | Leamington Spa | 2021 |
| Eaton Hill Farm Limited | Eaton | 2012 |
| Eaton Thorne Equestrian Ltd | Henfield | 2022 |
| Eatonbullz & Cockapoos Ltd | Liverpool | 2021 |
| EAU Farm (Swaton) Limited | Sleaford | 1976 |
| EB (Fishing) Limited | Broughty Ferry | 2022 |
| EB Davies Timber Ltd | Welshpool | 2009 |
| EB Livery Services Ltd | Tewkesbury | 2019 |
| EB Tropics Ltd | Horley | 2023 |
| EB8 Ltd | London | 2018 |
| Ebanking Integration Limited | Macclesfield | 2008 |
| EBB Tides Seaweeds Limited | Sidmouth | 2017 |
| Ebba Services Limited | Berwickshire | 1996 |
| Ebben Nursery Limited | Bury St. Edmunds | 2021 |
| Ebbisham Farm Limited | Dorking | 2024 |
| Ebbrox Ltd | Plymouth | 2022 |
| Ebbs Acre Kennels Ltd | Haverfordwest | 2011 |
| EBC Eggs Ltd | Ballymena | 2024 |
| Ebdon Firewood Ltd | Compton Bishop | 2015 |
| EBF (Scotland) Ltd | Falkirk | 2024 |
| Ebfc Ltd | Seaford | 2025 |
| Ebidle Ltd | London | 2019 |
| EBM Helme & Sons Limited | Hereford | 2010 |
| Ebony Forge Limited | Leighton Buzzard | 2026 |
| Ebony Holdings Limited | Norwich | 2001 |
| Ebowness Consulting Ltd | Worcester | 2016 |
| Ebraqe UK Ltd | Batley | 2021 |
| Ebtek Limited | Basildon | 1977 |
| EBY Solutions Ltd | Loughborough | 2023 |
| EC & LK Parker Limited | Minehead | 2003 |
| EC Murrell Ltd | Norwich | 2023 |
| Eccl 2020 Limited | Harrogate | 2020 |
| Ecclesgreig Estates Limited | Broughty Ferry | 2002 |
| Eccleshall Animal Health & Food Centre Limited | Eccleshall | 1995 |
| Eccleshall Castle Farms Limited | Stafford | 1987 |
| Eccleston Equestrian Limited | St Helens | 2024 |
| Eccleswall Bloodstock Limited | Hatfield | 2024 |
| Eccm Ltd | London | 2021 |
| ECD Poultry Limited | Ross-On-Wye | 2020 |
| ECE Livery Ltd | Morpeth | 2023 |
| ECF & M Limited | London | 1997 |
| Ecfl Ltd | Woking | 2021 |
| Echos Equestrian Limited | Gerrards Cross | 2017 |
| ECJ Equestrian Ltd | Ayr | 2025 |
| Eckland Lodge Business Park Limited | Market Harborough | 2008 |
| Eckson Sanctuary Community Interest Company | Dunstable | 2023 |
| Eclipse Fishing Lakes Ltd | Leighton Buzzard | 2023 |
| Eclipse Tree Limited | Betchworth | 2013 |
| ECM Agricultural Contractors Limited | St. Helens | 2016 |
| Eco Active Arborists Ltd | Truro | 2014 |