| EPM Tree Services Limited | Richmond | 2025 |
| Epona Thoroughbreds Ltd | Farnham | 2021 |
| EPP Eggs Ltd | Cottingham | 2019 |
| Eppleton Farm | Northallerton | 2012 |
| EPS Sales Ltd | Nottingham | 2025 |
| EQ K9 Ltd. | Hatfield | 2023 |
| Eq-West Limited | London | 2015 |
| Equaluxe Therapy Ltd | Littlehampton | 2025 |
| Equatoria Woodland Ltd | Derby | 2026 |
| Equestrian Arenas Limited | High Peak | 2016 |
| Equestrian Competitions Ltd | Newry | 2020 |
| Equestrian Group Ltd | Willenhall | 2024 |
| Equestrian Investments Limited | London | 2021 |
| Equestrian Lodge Limited | Burnham On Crouch | 2015 |
| Equi Travel Ltd | Manchester | 2026 |
| Equi+Poise Biomechanics (Global) Limited | Blandford Forum | 2016 |
| Equi+Poise Farrier (Global) Limited | Blandford Forum | 2026 |
| Equi+Poise Farrier (UK) Limited | Blandford Forum | 2017 |
| Equi+Poise Group Holdings Limited | Blandford Forum | 2026 |
| Equi+Poise Livery Limited | Blandford Forum | 2020 |
| Equi-Mover Limited | Neston | 2023 |
| Equi-Transport Limited | Rochester | 2025 |
| Equiaye Ltd | Dunmow | 2017 |
| Equicare Ltd | Launceston | 2023 |
| Equidea Invest Ltd | London | 2025 |
| Equidiet (UK) Ltd | Market Rasen | 2014 |
| Equidream Limited | Longfield | 2016 |
| Equiease Limited | Wigan | 2024 |
| Equifeedz Ltd | Peterborough | 2014 |
| Equifinity Ltd | Shipston-On-Stour | 2006 |
| Equigene Ltd | Wellington | 2025 |
| Equigenetics Limited | Swindon | 2018 |
| Equiharmony Ltd | Whitland | 2024 |
| Equikleen Ltd | Castlereagh Business Park | 2023 |
| Equiland Limited | Tetbury | 1997 |
| Equilaterals Limited | Reigate | 2018 |
| Equileben - UK Ltd | Bishop'S Stortford | 2016 |
| Equiliberta Ltd | Bury St. Edmunds | 2023 |
| Equilibrium Forestry Ltd | Inverness | 2020 |
| Equilux Solutions Ltd | Wokingham | 2025 |
| Equilymph Ltd | Banbury | 2013 |
| Equimotional Ltd | Daventry | 2022 |
| Equine & Pet Services Ltd | Cirencester | 2004 |
| Equine Adventures Ltd | Lowestoft | 2023 |
| Equine Advisory Limited | Newmarket | 2019 |
| Equine Amigos U.K. Ltd | Cambridge | 2024 |
| Equine Aqua Power Ltd | Bordon | 2020 |
| Equine Blades Direct Limited | Somerset | 2003 |
| Equine Country Limited | London | 2016 |
| Equine Dental Services (South West) Ltd | Wedmore | 2010 |
| Equine Essential Services Limited | Doncaster | 2020 |
| Equine Facilities Ltd | London | 2025 |
| Equine Gold Ltd | Halstead | 2019 |
| Equine Harmony Ltd | Woking | 2024 |
| Equine Hoof Care Limited | | 2002 |
| Equine Investment Services Ltd | Pinner | 2023 |
| Equine Manure Solutions Ltd | West Horndon | 2026 |
| Equine Medirecord UK Limited | London | 2018 |
| Equine Minds Therapy Horses CIC | Hamilton | 2026 |
| Equine Nutrition UK Ltd | York | 2023 |
| Equine Performance Ltd | Bridgwater | 2011 |
| Equine Podiatry Management Ltd | Llandysul | 2023 |
| Equine Priorities Ltd | Horsham | 2019 |
| Equine Projects Limited | Maidenhead | 2017 |
| Equine Rebalance Ltd | Fleet | 2017 |
| Equine Rehabilitation Centre Limited | Lanark | 2021 |
| Equine Rehabilitation Limited | Barnet | 2021 |
| Equine Relief and Supremacy Show Products Ltd | Cardiff | 2022 |
| Equine Resources UK Limited | Hereford | 2009 |
| Equine Salt Therapy Co Ltd | Wakefield | 2023 |
| Equine Solutions Limited | London | 2023 |
| Equine Steps Ltd | Pershore | 2023 |
| Equine Strategies Ltd | Littlehampton | 2022 |
| Equine Support Limited | Shipley | 2013 |
| Equine Training Centre Limited | Maldon | 2026 |
| Equine Unlimited Scot Ltd | Dunkeld | 2025 |
| Equine Ventures Ltd | Shrewsbury | 2024 |
| Equine Welfare Limited | Enfield | 2013 |
| EQUINE69UK Ltd | London | 2025 |
| Equinell Sports Massage Ltd | Warwick | 2025 |
| Equinerd Ltd | Aberystwyth | 2020 |
| EQUINES4ALL Ltd | Harlow | 2020 |
| Equinethos Limited | Bristol | 2012 |
| Equiniti Equine Ltd | Wallingford | 2018 |
| Equinova Ventures Ltd | London | 2025 |
| Equinum Limited | High Wycombe | 2018 |
| Equipaws Ltd | Wirral | 2022 |
| Equipe Piper Limited | London | 2021 |
| Equirug Ltd | Doncaster | 2025 |
| Equiscense Horsemanship Ltd | Stanley | 2024 |
| Equispark Ltd | Billingshurst | 2024 |
| Equisplash Limited | Kettering | 2022 |
| Equitalent Ventures Ltd | Royston | 2026 |
| Equitopia Stud Ltd | Northwood | 2020 |
| Equitraders Limited | Plymouth | 2008 |
| Equity Shoeing Limited | Leasingham | 2004 |
| Equiwell Ltd | New Malden | 2026 |
| Equorum Ltd | Perth | 2019 |
| Equus Ferus International CIC | Carmarthen | 2015 |
| Equus Liberty Ltd | Lanark | 2026 |