| J R G Mason | Lancaster | 2020 |
| J R Gowthorpe Ltd | York | 2020 |
| J R Holt & a J Holt Limited | Eccleshall | 2015 |
| J R Hough Ltd | Preston | 2024 |
| J R Hutchings Limited | Dartmouth | 2020 |
| J R Macfarlane Limited | Argyll | 2002 |
| J R Meeker Dairy Limited | Warminster | 2014 |
| J R Morgan Ltd | Presteigne | 2010 |
| J R O Griffiths Limited | Telford | 2003 |
| J R Oliver Farming Limited | Newark | 2019 |
| J R Paddock Limited | Shrewsbury | 2003 |
| J R Percival Holdings Ltd | Market Harborough | 2019 |
| J R Percival Property Ltd | Leicester | 2019 |
| J R Unwin Limited | Cottenham | 2003 |
| J Rennison Tree Contractors Limited | York | 2014 |
| J Rewcastle & SON Limited | York | 2017 |
| J Robb Livestock Ltd | Padbury | 2024 |
| J Rutter & SON Ltd | Shipston-On-Stour | 2019 |
| J S & G B Skipp Limited | Hereford | 2010 |
| J S & J Buckley Limited | Market Rasen | 2020 |
| J S Adam Trawlers Limited | Argyll | 2004 |
| J S Alton & SON Limited | Ripon | 2008 |
| J S C Marine Ltd | Kirkwall | 2026 |
| J S Cruickshank (Farmers) Limited | Inverurie | 1977 |
| J S Ferguson and Company | Moray | 1983 |
| J S Hunter & Sons Ltd | Radlett | 2011 |
| J S L Jones Limited | Wrexham | 2007 |
| J S MC Contracting and Sales Ltd. | Londonderry | 2017 |
| J S Means (Terrington) Limited | King'S Lynn | 2010 |
| J S Newsham Limited | Kidderminster | 2011 |
| J S Savage Limited | Sheffield | 2001 |
| J S Wind Services Ltd. | Tillicoultry | 2016 |
| J Salisbury Tree Surgery Ltd | Crawley Down | 2022 |
| J Sawyers Farm Limited | Beragh | 2019 |
| J Schofield Services Ltd. | By Evie | 2005 |
| J Sea Fishing Ltd | Belfast | 2017 |
| J Shephard & SON Limited | Millom | 2006 |
| J Sinclair & Co Limited | Orkney | 2002 |
| J Smith Enterprise Ltd. | Malton | 2019 |
| J Smoothy & SON Limited | Leigh On Sea | 2016 |
| J Sprake & Partners Limited | Yeovil | 2009 |
| J Stephenson & Partners Limited | Bridlington | 2023 |
| J Stevenson & SON Limited | Evie | 2012 |
| J Stuart Fishing Limited | Fraserburgh | 2026 |
| J T a (SW) Ltd | Exeter | 2019 |
| J T Agricultural Services Ltd | Bideford | 2020 |
| J T Credland Garden Services Ltd | Brecon | 2026 |
| J Thomas Tree Services Ltd | Brecon | 2020 |
| J Tomlinson Properties Ltd | Wilmslow | 2010 |
| J Tuft & SON Ltd | | 2007 |
| J V Bradley Limited | Bourne | 2006 |
| J V Farming Limited | Taunton | 2002 |
| J V Richards (Rietfontein) Ltd | Truro | 1971 |
| J W & H M Graham Ltd | Scarborough | 2012 |
| J W Barrett & Partners Limited | Halesworth | 2019 |
| J W Benning Farrier Ltd | Chatham | 2020 |
| J W Brighty Ltd | Wisbech | 2012 |
| J W Codd Ltd | Grimsby | 2024 |
| J W Fishing Services Ltd | Peterhead | 2015 |
| J W Grant Co | Boston | 1954 |
| J W H Farm Limited | | 2008 |
| J W Mclaren & Sons Limited | Newmarket | 2011 |
| J W Naylor & Sons Limited | Buxton | 2010 |
| J W P & Daughter Limited | Haverfordwest | 2009 |
| J W Parkinson Agriculture Ltd | Ulceby | 2020 |
| J W Plant Services (Aberdeenshire) Ltd | Buckie | 2017 |
| J W Riley Contracting Limited | Norwich | 2017 |
| J W Shearing Limited | Carlisle | 2016 |
| J W Tabor Limited | Yeovil | 2012 |
| J W Vevers Agricultural Services Limited | Carlisle | 2012 |
| J W Williamson & Sons Ltd | Bridlington | 2022 |
| J Warren Ltd | Newbury | 2017 |
| J Welsh Farriers Ltd | Congleton | 2009 |
| J White Farm Services Ltd | Nuneaton | 2020 |
| J Whitehall Contracting Ltd | Stowmarket | 2026 |
| J Whitehead Farriers & Co Ltd | Cheltenham | 2015 |
| J Wilson Contractors Ltd | Wrexham | 2013 |
| J Wilson Youngstock Ltd | Nantwich | 2025 |
| J Wiltshire Tree Care Ltd | Knottingley | 2020 |
| J Wood Tree Services Ltd | Wellingborough | 2023 |
| J&A Struthers Limited | Lanark | 2024 |
| J&B Fisheries (IOW) Ltd | Freshwater | 2021 |
| J&B Marine Services Ltd | Newport | 2025 |
| J&C Forestry Ltd | Wantage | 2025 |
| J&C Hoey Croft Ltd | Oban | 2022 |
| J&C's Party Pets Limited | Chelmsford | 2015 |
| J&D Farms Ltd | Belper | 2014 |
| J&G Contracting Limited | Preston | 2025 |
| J&G Tree Contractors Ltd | Huddersfield | 2026 |
| J&H Livery Ltd | St. Austell | 2026 |
| J&L Tree Contracting Ltd | Bangor | 2023 |
| J&L WW Limited | Leicester | 2024 |
| J&M Mackie Limited | By Brechin | 2010 |
| J&M Waldron Livestock Ltd | Northallerton | 2024 |
| J&N Associates Ltd | Manchester | 2025 |
| J&P Estate Lands Ltd | Derby | 2020 |
| J&P Ward Ltd | Nuneaton | 2019 |
| J&S Shellfish Ltd | Holt | 2024 |
| J, S and J Down Limited | Taunton | 2015 |
| J. & a. Galloway Limited | Biggar | 1964 |