| IVY Farm Oldbury Ltd | Bristol | 2026 |
| IVY Farmyard Limited | Hereford | 2023 |
| IVY House Farm Limited | Frome | 2017 |
| IVY House Farming Ltd | Carlisle | 2024 |
| IVY House Investments & Holdings Ltd | Knaresborough | 2022 |
| IVY House Racing Ltd | Beverley | 2023 |
| IVY Lodge Farm Limited | Colchester | 1997 |
| IVY Sport Horses Ltd | Gravesend | 2024 |
| IVY Tree Care Ltd | Yarmouth | 2020 |
| Ivymay Animal and Livestock Services Ltd | Huddersfield | 2025 |
| IW Agri Ltd | Enniskillen | 2026 |
| IW Dowson Limited | Scunthorpe | 2017 |
| Iwag Ltd | London | 2021 |
| Iwan R Evans Limited | Lampeter | 2011 |
| Iwan Thomas Farrier Ltd | Mold | 2015 |
| IWB Farms Ltd | Pershore | 2025 |
| Iweb Commercial & Marine Services (UK) Ltd | York | 2022 |
| IX Limited | Winchester | 2010 |
| IX5 Environmental Services Ltd | Northampton | 2022 |
| Ixworth Country Kennels Ltd | Bury St. Edmunds | 2014 |
| Izod Farming Limited | Banbury | 2003 |
| I’M Trees Care Ltd | London | 2020 |
| J & a Currie Limited | Paisley | 2000 |
| J & a Deer Management Ltd | Devizes | 2025 |
| J & a Duff Limited | Stirling | 2022 |
| J & a Farming and Contracting Work Ltd | Huddersfield | 2022 |
| J & a Farming Ltd | Newark | 2007 |
| J & a Forestry Limited | Falkirk | 2018 |
| J & a Growers Limited | Leicester | 2002 |
| J & a Mckinley Ltd | Girvan | 2012 |
| J & a Offshore Services Ltd. | Fraserburgh | 2003 |
| J & a Price Limited | Staunton-On-Wye | 2012 |
| J & a Sinclair Ltd. | Shetland | 2005 |
| J & a Smales Limited | Hull | 2015 |
| J & a Speakman Limited | London | 1974 |
| J & a Turner Poultry Limited | Lincoln | 2018 |
| J & a Wear Limited | Appleby-In-Westmorland | 2011 |
| J & a Weir Farming Limited | West Linton | 2010 |
| J & a Williams & Sons Limited | Axminster | 2020 |
| J & a Woodroffe Farms Ltd | Peterborough | 2011 |
| J & B Dairy Limited | Loddiswell | 2026 |
| J & B J GOY Limited | Woodhall Spa | 2003 |
| J & B Martin (Crayford & Fawkham) Limited | Dartford | 1913 |
| J & C Farrier Services Ltd | Pentre | 2026 |
| J & C Freeth Limited | Truro | 2014 |
| J & C Mccrea Dairy Farm | Strabane | 2013 |
| J & C Mitchell Ltd | Hawick | 2025 |
| J & C Thermal Fogging Ltd | Hereford | 2026 |
| J & C Wignall Farms Limited | Standish | 2022 |
| J & D Agriculture Limited | Wellington | 2023 |
| J & D Bradley Ltd | Preston | 2023 |
| J & D Creasey Limited | Oakham | 2008 |
| J & D Haworth Limited | Skegness | 2012 |
| J & D Hudson Limited | Hebden Bridge | 2019 |
| J & D Longlands Ltd | Northumberland | 2002 |
| J & D Rendall Limited | Keith | 1977 |
| J & D Rimmer & Sons Limited | Preston | 2004 |
| J & D Webster Limited | Ormskirk | 2010 |
| J & E Agri Limited | Cheltenham | 2020 |
| J & E Clegg Limited | Northampton | 2019 |
| J & E Gilson Ltd | Bexhill On Sea | 2012 |
| J & E Hauliers Ltd | Braintree | 2026 |
| J & E M Gill & SON Limited | York | 2006 |
| J & E Smillie (Montrose) Limited | Perth | 1977 |
| J & EP Brewer Ltd | Manningtree | 2015 |
| J & F E Hanton Limited | Attleborough | 2018 |
| J & F Gray Limited | By Carnoustie | 2018 |
| J & G Taylor Farms Limited | Cockermouth | 2020 |
| J & G Thornley Limited | Preston | 2009 |
| J & H Bland & SON | Cumbria | 2006 |
| J & H Fisher Limited | Atherstone | 2008 |
| J & H Ritchie Ltd. | Renfrew | 1998 |
| J & H Spreading & Agri Engineering Ltd | Builth Wells | 2023 |
| J & I Finlay Limited | Dumfries | 2007 |
| J & J Barr Farm Limited | Crossgates | 2008 |
| J & J Beary Farming Ltd | Preston | 2009 |
| J & J Bugden & Sons Limited | Romsey | 2022 |
| J & J Burnett Limited | Newark | 1989 |
| J & J Businesses Ltd | Cambridge, | 2021 |
| J & J Farm Services Ltd | York | 2011 |
| J & J Farms Limited | Aylesbury | 2017 |
| J & J Fishing Ltd | Stowmarket | 2019 |
| J & J Fraser Limited | Orkney | 2025 |
| J & J Grant Limited | Dundee | 2019 |
| J & J Kerkin Agri Limited | Cornwall | 2022 |
| J & J Leach Firewood Limited | London | 2024 |
| J & J Lindsay Farming Limited | Forfar | 2011 |
| J & J Livestock Ltd | Eglish | 2012 |
| J & J M Enterprises Ltd. | Peterhead | 2003 |
| J & J Medcalf Limited | Withernsea | 2023 |
| J & J Thompson & Sons Limited | Preston | 2013 |
| J & J Watkins Ltd | Ross-On-Wye | 2006 |
| J & J Wildflower Fisheries Ltd | Cambridge, | 2021 |
| J & J.H.Hall (Welton) Limited | Lincoln | 1953 |
| J & K Barnard (Farms) Limited | Bridgwater | 1997 |
| J & K Bushell Ltd | Altrincham | 2025 |
| J & K Logistics (NW) Ltd | Preston | 2023 |
| J & K Stout Limited | Westray | 2019 |
| J & L a Haimes Ltd. | Exeter | 2013 |
| J & L Cordiner Ltd. | Peterhead | 2011 |