| Ginger Whiskers Ltd | Melksham | 2024 |
| Gingerbread Equestrian Ltd | Collingbourne Ducis | 2025 |
| Ginkgo Tree Surgery Limited | Felixstowe | 2012 |
| Ginkgotreecare Ltd | Cardiff | 2024 |
| Gipping Gundogs Limited | Hadleigh | 2020 |
| Gipping Valley Olives Limited | Ipswich | 2019 |
| Gipsy Hall Farms Limited | Stratford On Avon | 1947 |
| Girl Debra Limited | Brixham | 2005 |
| Girl Jean Direct Shellfish Limited | Oban | 2023 |
| Girl Lynsey Fishing Company Ltd | Whalsay | 2011 |
| Girl Shannon Ltd. | Aberdeenshire | 2003 |
| Girsby Farm Services Ltd | Market Rasen | 2017 |
| Girsby Vale Farm Ltd | Grimsby | 2014 |
| Girthill Farm Limited | | 2008 |
| GIS Forestry Limited | Leicester | 2014 |
| Gisburn Auction Marts Limited | Lancs | 1949 |
| Gisleham Farming Unlimited | Lowestoft | 2021 |
| Gissing Farms Limited | Norwich | 1962 |
| Gissing Pigs Ltd | Diss | 2022 |
| Gitcitbit Ltd | Stirling | 2022 |
| Givan Bros Limited | Dungannon | 2019 |
| Givonsbrothers Limited | Haywards Heath | 2022 |
| GJ Agri Limited | Bridport | 2014 |
| GJ Contractors (Dundee) Ltd | Dundee | 2017 |
| GJ Gibbs Limited | Hereford | 2020 |
| GJ Orford & Partners Limited | Diss | 2013 |
| GJ Services 2018 Limited | Swadlincote | 2018 |
| GJ Shellfish Limited | Sunderland | 2025 |
| GJ Wilcox (Agric) Limited | Bedford | 2007 |
| GJD Farms Limited | Ballymena | 2020 |
| GJG Farming Limited | Worksop | 2018 |
| GJM Gardening and Fencing Services Ltd | Norwich | 2026 |
| GJR Country Ltd | Derby | 2024 |
| GJW Agriculture Limited | Milton Keynes | 2015 |
| GK9 and Associates Ltd | Whitley | 2021 |
| GL Davies Limited | Shrewsbury | 2012 |
| Glaceriska Cottage Farm Limited | Argyll & Bute | 2024 |
| Glack Enterprises Limited | Dundee | 2016 |
| Gladdens Farm Ltd | Epping | 1949 |
| Glade Deer Management Limited | Harrogate | 2015 |
| Glade Estate Limited | Farnham | 2012 |
| Gladoption Limited | Newcastle-Under-Lyme | 1997 |
| Gladstone Gardens Ltd | London | 2019 |
| Gladwin Bros. (Farms) Limited | North Lincolnshire | 1976 |
| Glaisters Farms Limited | By Dumfries | 1997 |
| Glam Coats at Bramcotes Limited | Leicester | 2024 |
| Glamorgan Farm Supplies Limited | Bridgend | 2005 |
| Glampaw Ltd | Carlisle | 2019 |
| Glan Ochran Limited | Abergavenny | 2006 |
| Glandale Tree Services Limited | Ruislip | 2021 |
| Glanford Beet Limited | Brigg | 2002 |
| Glangwden Farm Ltd | Caersws | 2025 |
| Glanllyn Farm Produce Limited | St Asaph | 2022 |
| Glanllyn Limited | Gwynedd | 2007 |
| Glanmiheli Farm Ltd | Newtown | 2023 |
| Glanvill Partners Limited | Exter | 2020 |
| Glanville Contracting Services Ltd | Penrith | 2025 |
| Glasallt Fawr Trading Limited | Carmarthen | 2015 |
| Glasbren CIC | Carmarthen | 2019 |
| Glascoed Farm Limited | Deeside | 2011 |
| Glascoed Fishery Limited | Pontypool | 2015 |
| Glasfryn Farmhouse Ltd | Carmarthen | 2007 |
| Glasfryn Kennels Ltd | Port Talbot | 2022 |
| Glasgow Aquaponics Limited | Glasgow | 2015 |
| Glasgow Paws Rescue Ltd | Glasgow | 2025 |
| Glashygolgan Poultry Ltd | Omagh | 2015 |
| Glasnakille Ltd. | Isle Of Skye | 1996 |
| Glaspant Farm Limited | Newcastle Emlyn | 2004 |
| Glass Eels Limited | | 1989 |
| Glass Pharms Ltd | Richmond | 2020 |
| Glassbox Trading Limited | Brockley | 2011 |
| Glassel Farms Limited | Kincardineshire | 1997 |
| Glasshouse Farm Limited | York | 1986 |
| Glassroots Ltd | Norwich | 2020 |
| Glasswater Farms Limited | Downpatrick | 2025 |
| Glaston Hill Farms Limited | Hook | 1997 |
| Glastonbury NUT Farm Ltd | Glastonbury | 2024 |
| Glastry Farm Ltd | Newtownards | 2022 |
| Glasybont Limited | Ledbury | 2017 |
| GLB Property Ltd | Fivemiletown | 2018 |
| Gleadhill House Stud Limited | Chorley | 1988 |
| Glebe Acres Limited | Derby | 2003 |
| Glebe Cottage Cattery Ltd | Redhill | 2024 |
| Glebe Equine Ltd | Hillsborough | 2025 |
| Glebe Farm (Hollacombe) Limited | Holsworthy | 2007 |
| Glebe Farm (Sawtry) Limited | Northampton | 2023 |
| Glebe Farm Balteagh Limited | Belfast | 2025 |
| Glebe Farm Blaby Limited | Leicestershire | 2019 |
| Glebe Farm Holdings Ltd | Seaton | 2020 |
| Glebe Farm Limited | Brackley | 2013 |
| Glebe Farm Stud Limited | Salisbury | 1987 |
| Glebe Forestry & Rural Ltd | Jedburgh | 2026 |
| Glebe House Farm Ltd | Horsham | 2019 |
| Glebe House Industries Ltd | Larbert | 2020 |
| Glebe Park Farm Limited | Callington | 2000 |
| Glebe Shotteswell Limited | Banbury | 2006 |
| Glebe Woodlands Limited | Tonbridge | 1983 |
| Glebelands Market Garden Limited | Cardigan | 2001 |
| Glebelands Organic Produce Ltd | Manchester | 2020 |
| Gledfield Highland Estate Limited | Carnforth | 2020 |