| A & R Lindley Limited | Churchwell | 2014 |
| A & R Mcbain Limited | Huntly | 2024 |
| A & R Shellfish Ltd | Wick | 2014 |
| A & R Thornton Farming Ltd | Norwich | 2023 |
| A & R Woodland Consultants Ltd | Munlochy | 2017 |
| A & S Developments (Redditch) Ltd | Redditch | 2008 |
| A & S Dixon Ltd | Ellesmere | 2004 |
| A & S Woodland Ltd | Crediton | 2016 |
| A & SRD Glassonbury Ltd | Shepton Mallet | 2023 |
| A & SW Farms Ltd | Craigavon | 2026 |
| A & T Tree Care Ltd | Fareham | 2002 |
| A & W Steel Limited | Kilmarnock | 2009 |
| A , D & I Farming Ltd | Carmarthen | 2024 |
| A 1 Grab Timber Ltd | Biggar | 2025 |
| A a & D Fraser Limited | Dornoch | 2014 |
| A a Arborists Limited | Bodmin | 2007 |
| A a Carrots Limited | Elgin | 2006 |
| A a Davies & Co Limited | Castle Douglas | 2012 |
| A a Freeman & SON Ltd | Banbury | 2014 |
| A a Henry & Sons Limited | Stranraer | 2018 |
| A and G Bloodstock Limited | Hornchurch | 2020 |
| A and P Business Solutions Ltd | Merseyside | 1987 |
| A and R Farming Ltd | Cheltenham | 2018 |
| A B & J L Wilcox Ltd | Fordham | 2009 |
| A B Farming | Clwyd | 2024 |
| A B Gairns Contractors Ltd | Crieff | 2003 |
| A B Grant (Langrick) Limited | Woodhall Spa | 2015 |
| A B Livery Limited | Leamington Spa | 2026 |
| A B Murray Ltd | Kirriemuir | 2024 |
| A B Shellfish Limited | Redcar | 2010 |
| A Bailey Farming Ltd | Clitheroe | 2024 |
| A Beckett Limited | Hereford | 2007 |
| A Bells Seafood Limited | Barrow-In-Furness | 2014 |
| A Better Life Dog Rescue Ltd | Stanford-Le-Hope | 2012 |
| A Broster Ltd | Wigan | 2006 |
| A Brown COW Foot Trimming Limited | Carlisle | 2024 |
| A C Breaking Limited | Banbury | 2018 |
| A C Coates & Sons Limited | Gorefield | 1978 |
| A C Dakin Limited | Shifnal | 1999 |
| A C Hulme and Sons | Canterbury | 1964 |
| A C Owen Agri Contracting Ltd | Whitchurch | 2025 |
| A C W Developments Ltd | Ballymena | 1999 |
| A C W Farming Ltd | Ballymena | 2016 |
| A C Wilson Limited | St. Helens | 2022 |
| A C Wilson Racing Ltd | York | 2024 |
| A Cat’S Tale Cattery Ltd | Middlesbrough | 2024 |
| A Classic Clip Limited | Grimsby | 2022 |
| A Collie Limited | Aberdeen | 2017 |
| A Corrigall (Portree) Limited | Staffin | 2007 |
| A Croskell Ltd | Preston | 2007 |
| A Cross Farming Ltd | Bromyard | 2026 |
| A CUT Above CNC Ltd | Whitby | 2025 |
| A CUT Above Tree Surgery Limited | Huddersfield | 2013 |
| A D AG Ltd | Congleton | 2006 |
| A D Brice Livestock Limited | Eye | 2024 |
| A D Chipmunks Limited | Windermere | 2003 |
| A D Firewood Supplies Ltd | Glasgow | 2024 |
| A D Graham (Farmer) Limited | | 1979 |
| A D Lightfoot Limited | North Yorkshire | 2003 |
| A D Morton Limited | Rossendale | 1999 |
| A D Woodley Enterprises Limited | Coventry | 2005 |
| A Dawson and Company (Estates) Limited | Nr Driffield | 1943 |
| A Dearden (Farming) Limited | Gainsborough | 2002 |
| A E Banks and SON Limited | York | 2003 |
| A E Nesbitt Farms Limited | Reading | 1995 |
| A Ednie & Sons Ltd | Bishop'S Stortford | 2024 |
| A F Agricultural Ltd | Bury | 2019 |
| A F Hirst (Farms) Limited | Barnsley | 2002 |
| A F Plus Ltd | Retford | 2021 |
| A F Theobald & SON Limited | Wickford | 2013 |
| A G & H T Miles Limited | Canterbury | 2011 |
| A G Blazey Ltd | Bury St Edmunds | 2013 |
| A G Brownlie Trading Ltd | Berwick Upon Tweed | 2019 |
| A G Cottrell Limited | Hampshire | 2003 |
| A G Farmer Ltd | Nuneaton | 2004 |
| A G INT Limited | Knutsford | 2009 |
| A G Landymore & SON Limited | Kings Lynn | 2014 |
| A G Maidment & SON Limited | Salisbury | 1961 |
| A G SLY & Sons Limited | Sleaford | 2013 |
| A G Tree Services Limited | Dorchester | 2014 |
| A Greener London Ltd | London | 2018 |
| A H Bell & SON Limited | Lincoln | 2009 |
| A H Fields Limited | Strixton | 2022 |
| A H Forestry Limited | Caerphilly | 2022 |
| A H Green & SON Limited | Wells | 2010 |
| A H S Drummond (Glenside) Limited | Stranraer | 2007 |
| A Hammond Ltd | Lockerbie | 2023 |
| A Hannam Limited | Winscombe | 2023 |
| A Hartley Ltd | Carmarthen | 2003 |
| A House in Nature Ltd | Edinburgh | 2026 |
| A Hughes International Ltd | Kettering | 2022 |
| A J & M E Minshall Limited | Ashbourne | 2008 |
| A J Andrews Limited | Aylesbury | 1952 |
| A J Atkins Agriculture Limited | Bradford | 2011 |
| A J Barham Limited | Halesworth | 2005 |
| A J Bolsover & SON Ltd | Morecambe | 2018 |
| A J Bray & Sons Limited | Faversham | 2008 |
| A J Busby Limited | Stafford | 2017 |
| A J Cole & SON Limited | Chippenham | 2011 |
| A J Croydon Limited | Oswestry | 2011 |