| Grains Farm Ltd | Stonehaven | 2024 |
| Grainsby Farms Limited | Grimsby | 1963 |
| Gram Limited | Woking | 1988 |
| Grampian Agricultural Services Ltd. | Banffshire | 2005 |
| Grampian Basket Ltd | Ellon | 2022 |
| Grampian Graziers Ltd | Huntly | 2024 |
| Grampian Sea Fishing Limited | Peterhead | 1977 |
| Gran VIN Ltd | Poulton-Le-Fylde | 2024 |
| Granagh Agri Ltd | Rasharkin | 2021 |
| Granby Farms Limited | Birmingham | 1965 |
| Grand CRU Capital Limited | London | 2024 |
| Grand Paws Limited | Diss, Norfolk | 2020 |
| Grand Prix Dressage Limited | Sheffield | 2001 |
| Grand Prix Farriers Limited | Waterlooville | 2022 |
| Grand Union Farm Ltd | Rickmansworth | 2016 |
| Grandco Limited | Ross-On-Wye | 2011 |
| Grande Muraille Verte Limited | London | 2022 |
| Grandpond Limited | London | 1981 |
| Grange Bank Farm Limited | Stafford | 2021 |
| Grange Beck Farm Ltd | Skipton | 2024 |
| Grange Consultancy Limited | Tadcaster | 2023 |
| Grange Estates (England) Limited | Boston | 2014 |
| Grange Farm (Aldeby) Limited | Beccles | 1957 |
| Grange Farm (Barnby Moor) Limited | Doncaster | 1975 |
| Grange Farm (Bulmer) Limited | York | 1976 |
| Grange Farm (Godington) Ltd | Bicester | 2014 |
| Grange Farm (Peterhead) Limited | Peterhead | 1983 |
| Grange Farm (Spalding) Limited | Spalding | 2021 |
| Grange Farm (Spratton) Limited | Northampton | 1997 |
| Grange Farm Christmas Barn Limited | Market Harborough | 2021 |
| Grange Farm Colton Ltd | Leeds | 2023 |
| Grange Farm Developments Limited | London | 2010 |
| Grange Farm Eggs Ltd | Northallerton | 2010 |
| Grange Farm Hasketon Ltd | Woodbridge | 2019 |
| Grange Farm Land Limited | Harrow | 2020 |
| Grange Farm Limited | Wickford | 1988 |
| Grange Farm Meadows Limited | Norwich | 2011 |
| Grange Farm Swinderby Ltd. | Lincoln | 2020 |
| Grange Farmers Limited | Sleaford | 2011 |
| Grange Farming Company | Newark | 2007 |
| Grange Farms (Healaugh) Limited | Yorkshire | 1975 |
| Grange Farms (West Ashby) Limited | Horncastle | 2006 |
| Grange Farms Limited | Deal | 2003 |
| Grange Fisheries Limited | Grimsby | 2016 |
| Grange Groundworks Ltd | Northampton | 2016 |
| Grange Nutrition Ltd | Thirsk | 2025 |
| Grange Organics Limited | Usk | 2006 |
| Grange Pigs Limited | Sproatley | 2014 |
| Grange Rovers Ltd | Buckingham | 2024 |
| Grangemuir Farming Co Limited | Dunfermline | 2025 |
| Grangemuir Poultry Co Limited | Dunfermline | 2025 |
| Grangewards Solutions Ltd | Peterborough | 2016 |
| Granite Climate Capital Ltd | London | 2024 |
| Granleigh Farming Company Limited | Hull | 2004 |
| Grannie Annies Farm Shop Ltd | Bury | 2026 |
| Gransden CFC Limited | Sandy | 2002 |
| Grant (East Mains) Ltd. | Morayshire | 1996 |
| Grant Agriculture Limited | Salisbury | 2013 |
| Grant Bros Limited | Salisbury | 2005 |
| Grant Brothers (Frithbank) Limited | Boston | 1948 |
| Grant Lewis Farriers Limited | Dyfed | 2006 |
| Granta Farming Limited | Saffron Walden | 2002 |
| Granta Processors Ltd | St. Neots | 2014 |
| Grantbait Limited | Hull | 2008 |
| Grantgang Ltd | Cambridge | 2018 |
| Grantham Bros. Limited | Louth | 1978 |
| Grants Pro-Agri Limited | York | 1987 |
| Grant’S Ballindalloch Timber Haulage Ltd | Ballindalloch | 2015 |
| Grape Britton Ltd | Clacton-On-Sea | 2023 |
| Grape Britton Vineyards Ltd | Clacton-On-Sea | 2023 |
| Grape Britton Wines Ltd | Clacton-On-Sea | 2023 |
| Grape Vibes Limited | London | 2020 |
| Graphite & Diamond Ltd | London | 2021 |
| Grasmere Farm Limited | Peterborough | 2007 |
| Grass Converters Limited | Anglesey | 2009 |
| Grass FED Ltd | Stratford-Upon-Avon | 2021 |
| Grass Gains Ltd | Rushden | 2022 |
| Grass Green Farm Ltd | Halstead | 2024 |
| Grass RAT Holdco Limited | Carlisle | 2025 |
| Grass-Science Ltd | Maldon | 2011 |
| Grasscroft Farm Limited | Nottingham | 2022 |
| Grassfruits Limited | Malton | 2017 |
| Grassgarth Boarding Kennels Limited | Wakefield | 2024 |
| Grasshoppers Crop Care Ltd | Haverfordwest | 2015 |
| Grassington Farm Limited | Lewes | 2020 |
| Grasslands (Nurseries) Limited | Knutsford | 1991 |
| Grasslands Farming Limited | Macclesfield | 2002 |
| Grasslands Fisheries and Leisure Ltd | King'S Lynn | 2024 |
| Grasslands Investments Limited | Knutsford | 1989 |
| Grassroots Farming Impact Ltd | Bodmin | 2026 |
| Grassroots Food Ltd. | Bristol | 1999 |
| Grassroots Garden CIC | Redruth | 2021 |
| Gratitude Enterprises Limited | Aberdeenshire | 2008 |
| Gravel PIT Farm AD Limited | Northallerton | 2015 |
| Gravitate Ltd | Nr Helensburgh | 2014 |
| Gray & Sons (Chelmsford) Limited | Chelmsford | 1972 |
| Gray Farming Ltd | Halstead | 2013 |
| Gray Farms Limited | Portsoy | 1994 |
| Gray of Wokingham Limited | Wokingham | 1921 |
| Graylands Farm Limited | Crawley | 2010 |