| Gandalf Seeds Ltd | Shrewsbury | 2014 |
| Gander Cross Farm Ltd | Fordingbridge | 2019 |
| Gandy's Lane Management Company Limited | Rye | 2020 |
| Gannolex Farming Limited | Norfolk | 1987 |
| GAO GAO GAO Limited | Pulborough | 2007 |
| Garan Farms Ltd | Carmarthen | 2016 |
| Garbethill Farms Ltd | Glasgow | 2020 |
| Garblies Farm Ltd | Nairn | 2024 |
| Gard TEX Ltd | Cambridge | 2019 |
| Gardd Lledfair Ltd | Machynlleth | 2024 |
| Gardd Rhosyr Ltd | Newborough | 2015 |
| Garden Control Services Limited | Petworth | 2007 |
| Garden Corner Limited | Co Tyrone | 2007 |
| Garden Farm Limited | London | 2017 |
| Garden Guardian Limited | Norwich | 2002 |
| Garden Pastoral Ltd | Cambridge | 2024 |
| Garden Products Testing & Development Limited | Hursley | 2020 |
| Garden Revival Ltd | Market Drayton | 2022 |
| Garden to Plate Limited | Bristol | 2008 |
| Gardening by George Limited | London | 2014 |
| Gardening Centre Ltd | Seaham | 2021 |
| Gardening for Futures CIC | St. Leonards-On-Sea | 2026 |
| Gardening for Wildlife Limited | Penrith | 2022 |
| Gardening Gang Ltd | Bridgwater | 2026 |
| Gardening Wonderlands Ltd | Billingshurst | 2021 |
| Gardens Farm Ltd | Halifax | 2017 |
| Gardens of Eden Limited | Hassocks | 2022 |
| Gardens of Giving CIC | Mansfield | 2024 |
| Gardens Revitalised Limited | Guisborough | 2004 |
| Gardenservicestom Ltd | London | 2026 |
| Gardenwise Limited | Broadway | 1977 |
| Gardin Ltd | Abingdon | 2020 |
| Gardiner ICM Limited | Turriff | 1999 |
| Gardner Fisheries Ltd | Cinderford | 2020 |
| Gardner Groundworks Limited | Falkirk | 2019 |
| Gardners Farm & Leisure Limited | Battle | 2026 |
| Gareeclend Labradors and RAW Pet Foods Limited | Craigavon | 2018 |
| Gareth Coles Farm Limited | Stoke-On-Trent | 2015 |
| Gareth Edwards Farming Ltd | Bridport | 2025 |
| Gareth Evans CYF | Porthmadog | 2021 |
| Gareth Rudder Fishing Limited | Haverfordwest | 2011 |
| Garfield John Limited | Pembrokeshire | 1999 |
| Garlands Equestrian Ltd | Beaworthy | 2020 |
| Garlands Farm Limited | Haverhill | 1957 |
| Garman Ltd | Fraserburgh | 2014 |
| Garn Land Ltd | Dolgellau | 2009 |
| Garner & SON (Farmers) Limited | Lutterworth | 1963 |
| Garner & Wade Ltd | Lutterworth | 2009 |
| Garnffrwd Fishery Limited | Llanelli | 2025 |
| Garrett Brothers Limited | Taunton | 2012 |
| Garrett Farming Ltd | King'S Lynn | 2011 |
| Garrett Farriery Services Limited | Swindon | 2015 |
| Garrion Farm Limited | Wellgreen Place | 1990 |
| Garrison Farm Foods Ltd | Swansea | 2023 |
| Garrocher Tree Farm Retail Limited | Ayr | 2015 |
| Garrows Farm Limited | Forfar | 1964 |
| Garry Hepburn Limited | Fraserburgh | 2003 |
| Garry London Resources Ltd | London | 2025 |
| Garry Noble Ltd. | Fraserburgh | 2009 |
| Garson Farms Ltd | Sandwick | 2014 |
| Garstang Ground Services Ltd | Preston | 2024 |
| Gartcharron Farm Ltd | Lochgilphead | 2024 |
| Gartcloss Kennels Ltd | Coatbridge | 2020 |
| Garth Bradbury Fencing Contractors Ltd | Hereford | 2002 |
| Garth Isaf Equestrian Ltd | Pontyclun | 2019 |
| Garthgwynion Estate Limited | Machynlleth | 1955 |
| Garthmeilio Farms Limited | Corwen | 1997 |
| Garthorpe Farming Company Limited | Scunthorpe | 1957 |
| Gartlove Plantation Limited | London | 2019 |
| Gartmore Farms Limited | Berwickshire | 1981 |
| Gartnagrenach Farm Limited | London | 2015 |
| Garton Field Limited | Driffield | 2000 |
| Garton Hardy Ltd | Worcester | 2015 |
| Garuara Estates Limited | Lingfield | 1947 |
| Garvald Home Farm Limited | West Linton | 1988 |
| Garvallagh Farms Ltd | Omagh | 2019 |
| Garvary Farms Limited | Enniskillen | 2017 |
| Garvey's Farm Ltd | Newry | 2020 |
| Gary Atkins Ltd | Dulverton | 2020 |
| Gary Kavanagh Ltd | Omagh | 2021 |
| Gary M Limited | Walsall | 2012 |
| Gary Millar Poultry Equipment Ltd | Co Tyrone | 2006 |
| Gary ORR Ltd | Newry | 2010 |
| Gary's Fresh Fish Ltd | Frinton-On-Sea | 2015 |
| Gascoigne Farms Limited | Ashington | 1997 |
| Gascoigne Garden & Tree Services Ltd | Lisburn | 2018 |
| Gascoigne Lane Limited | Alresford | 2010 |
| Gascoines Group Limited | Southwell | 1938 |
| Gascoyne Cecil Farms Limited | London | 1975 |
| Gaskains Limited | Faversham | 1948 |
| Gaskains Vineyard Contracting Limited | Sevenoaks | 2025 |
| Gasp Solutions (E) Limited | Bristol | 2013 |
| Gasp Solutions (S) Limited | Bristol | 2013 |
| Gaspard Maksud Sport Horses Ltd | Cranleigh | 2022 |
| Gasparro Produce Limited | Worcestershire | 2006 |
| Gastardcourt Limited | Corsham | 2025 |
| GAT Stilwell Ltd | Rowlands Castle | 2024 |
| Gatcombe Farm Limited | Chippenham | 2024 |
| Gatebest Limited | London | 1984 |
| Gateley Estate Livery Limited | Dereham | 2021 |