| Gerring Agri Limited | Taunton | 2025 |
| Gesail CYF | Tywyn | 2022 |
| Gestfarma Ltd | Dollar | 2024 |
| Gestingthorpe Farming Company Limited | Saffron Walden | 1995 |
| Gesundewelt Ltd. | Hounslow/Greater London | 2019 |
| GET Britain Growing! C.I.C. | Manchester | 2020 |
| GET My Goat Limited | London | 2023 |
| GET UP and Grow NW Community Interest Company | Rochdale | 2019 |
| Getco Poultry Limited | Shrewsbury | 2006 |
| Gethin Roberts CYF | Porthmadog | 2013 |
| Gethsemane Culture Ltd | Dundee | 2022 |
| GF & RG Hoddinott Limited | Calne | 1999 |
| GF Farms Ltd | Stoke-On-Trent | 2025 |
| Gfde Ltd | Grimsby | 2025 |
| Gfhz Ltd | London | 2021 |
| GFL Arable Limited | Tiverton | 2020 |
| GFL Dairy Limited | Hull | 2015 |
| GFM Highland Ltd | Bishop'S Stortford | 2009 |
| Gfmm Limited | Capel | 2010 |
| GG & JM Jenkins and Sons Limited | Crymych | 2017 |
| GG Beecroft Trees Ltd | Colchester | 2025 |
| GG Flowers Ltd | London | 2024 |
| GGV Ltd. | Peterhead | 2005 |
| GH Agriculture Ltd | Shrewsbury | 2020 |
| GH Fallen Stock Company Limited | Banbury | 2020 |
| GH Farm & Contracting Limited | York | 2026 |
| GH Ford (Farming) Limited | Bristol | 2013 |
| GH Grass Converters Limited | Anglesey | 2018 |
| GH Project Development Limited | Totnes | 1997 |
| GH Stablemates Ltd | Misterton | 2023 |
| GH, VM & RA Pearce Ltd | Chippenham | 2020 |
| GHA Trees Ltd | Horsham | 2019 |
| Ghafoor Properties Ltd | London | 2021 |
| Ghana Cocoa Marketing Company (U.K.) Limited | London | 1967 |
| Ghedirect Ltd | Milton Keynes | 2002 |
| GHF Farm Ventures Limited | Glasgow | 2022 |
| GHM (Salcombe) Limited | Ivybridge | 2007 |
| Ghriama Estate Ltd | Edinburgh | 2025 |
| Ghyll Beck Farm Limited | Kirkby-In-Furness | 2015 |
| Ghyll Park Equestrian Ltd | Crowborough | 2017 |
| GI Equine Ltd | Gillingham | 2026 |
| GI Pigs Limited | Driffield | 2005 |
| Giant Steps Racing Limited | Stirling | 2025 |
| Giant VEG Ltd | London | 2022 |
| Giants Cave Ltd | Redditch | 2025 |
| Gibbet Farm Limited | Attleborough | 1998 |
| Gibbins & Sons Ltd | Branscombe | 2021 |
| Gibbins Agriculture Limited | Cullompton | 2023 |
| Gibbins Dairy Limited | Exeter | 2013 |
| Gibble Farm Ltd | London | 2025 |
| Gibbons (Holdings) Limited | Peterborough | 1996 |
| Gibbs Associates Ltd | Newbury | 2025 |
| Gibovendee UK Ltd | Ely | 2018 |
| Gibside Community Farm Community Interest Company | Gateshead | 2013 |
| Gibson & Gibson Limited | London | 1997 |
| Gibson Eventing Ltd | Ross-On-Wye | 2015 |
| Gibson's Farm Ltd | Carlisle | 2023 |
| Gibston Farms Limited | Keith | 2023 |
| Gicoda Limited | Surrey | 2003 |
| GIF Group Ltd | Hartlepool | 2020 |
| Gifford Farming Limited | Bressay | 2024 |
| Gifft Hydroponic Food Group Limited | Exeter | 2024 |
| Gigley Farm Ltd | Witney | 2018 |
| Gigley Ltd | Witney | 2018 |
| Gigtig Group Limited | London | 2021 |
| Gike Ltd | Thurso | 2013 |
| Gilbert Family Investments Limited | Ely | 2024 |
| Gilberts Farm Limited | London | 2023 |
| Gilcar Farm Limited | Northallerton | 1989 |
| Gilder Agri Limited | Tewkesbury | 2020 |
| Giles Agricultural Engineers Limited | Clitheroe | 2002 |
| Giles Asset Management Limited | Dumfries | 2023 |
| Giles Brothers Limited | Taunton | 2015 |
| Giles Developments & Agriculture Ltd | Bath | 2025 |
| Giles Fishing Co Ltd | Looe | 2014 |
| Giles Tedstone Limited | Cheltenham | 1974 |
| Giles Tuker Limited | Chelmsford | 1953 |
| Giles W. Pritchard-Gordon (Farming) Limited | Haywards Heath | 1981 |
| Gilfach Farm Limited | Narbeth | 2003 |
| Gilgarran Estates Limited | Cumbria | 2006 |
| Gill & Company (Brucefield) | Tain | 1956 |
| Gill (Fishing Enterprises) Limited | Derry | 2017 |
| Gill Bottom Farm Limited | Keighley | 2007 |
| Gill Hall Farms Limited | Belfast | 2015 |
| Gill Wing Farm Limited | London | 2020 |
| Gillbard Farms Limited | Launceston | 2022 |
| Gillemot Limited | Penzance | 2023 |
| Gillespie Carpentry and Forestry Ltd | Kendal | 2024 |
| Gillick Tree Surgery Ltd | Glasgow | 2025 |
| Gillies Timber Limited | Oban | 2011 |
| Gilliland Farms Limited | Hexham | 2000 |
| Gillon Bloodstock Ltd | Kelso | 2020 |
| Gillow Exotic Mushrooms Ltd | Stoke-On-Trent | 2025 |
| Gillows HB Ltd | Preston | 2026 |
| Gills Harbour Ltd | Caithness | 2009 |
| Gilmans Limited | Ashbourne | 2009 |
| Gilroy Enterprises Limited | Brixham | 2020 |
| Gilroy Fishing Limited | Oban | 2022 |
| Gilwen Farms Limited | Newcastle Emlyn | 2012 |
| Ginge Brook Limited | Abingdon | 2020 |