| Greystone Construction (NI) Ltd | Co Down | 2006 |
| Greystone Technical Ltd | Llanfyrnach | 1985 |
| GRG Farms Ltd | Chippenham | 2002 |
| GRG Rural Ltd | Drumoak | 2023 |
| GRH Farming Ltd | Poundbury | 2014 |
| Grickstone Farm Limited | Bristol | 2013 |
| Grieg Seafood UK Ltd. | Lerwick | 2014 |
| Grierson Asset Holdings Ltd | Plymouth | 2025 |
| Griffin and Speed Farms Limited | Peterborough | 1997 |
| Griffin Container Stock Limited | Liphook | 2007 |
| Griffin Farming Ltd | Sudbury | 2015 |
| Griffin Farms Limited | Norwich | 1961 |
| Griffin Forestry Limited | Chippenham | 2012 |
| Griffin Nurseries Limited | Liphook | 2007 |
| Griffiths and Latter Limited | Fishguard | 2019 |
| Griffiths Bros Ltd | Cardigan | 2004 |
| Griffiths Brothers Ltd | Milford Haven | 2026 |
| Griffiths Farms Ltd | Telford | 2023 |
| Griffiths Green Enterprises Ltd | Telford | 2017 |
| Griffon Specialist Services Ltd | Bexley | 2026 |
| Grigg Farms Limited | Macclesfield | 1996 |
| Grigor Harvesting Limited | Elgin | 2013 |
| Grimersta Estate Limited | Isle Of Lewis | 1924 |
| Grimersta Sporting Club Limited | Isle Of Lewis | 1983 |
| Grimethorpe Community Allotments C.I.C. | Barnsley | 2017 |
| Grimmstane Estate Ltd | Blairgowrie | 2013 |
| Grimsby Fish Dock Enterprises Limited | Grimsby | 1991 |
| Grimsby Fish Market Limited | Grimsby | 2007 |
| Grimshaw Lane Dairy Limited | Southport | 2003 |
| Grimsthorpe & Drummond Castle Trust Limited | Bourne | 1978 |
| Grind IT UK Environmental Arborists Ltd. | Talsarnau | 2019 |
| Grindtec (Lincs) Limited | Lincoln | 2013 |
| Grindtec Feed & Vehicle Services Limited | Mansfield | 2026 |
| Griselinia R US Ltd | Redruth | 2022 |
| Gristle Limited | Cuckfield, Haywards Heath | 2018 |
| Gristman Tree Surgery Ltd | London | 2016 |
| Gristwood and Toms Limited | Windlesham | 1991 |
| Grnnd Limited | Warrington | 2020 |
| Gro-For-It Limited | Kidderminster | 2000 |
| Gro-Well Salads Limited | Preston | 2003 |
| Gro.Ag Ltd | London | 2026 |
| Groaqua Limited | Inverness | 2001 |
| Grobler Limited | Edinburgh | 2012 |
| Groby Farm Limited | Leicester | 2019 |
| Groby Lodge Estate Limited | Leicester | 1997 |
| Groco (Summerhill) Limited | St. Asaph | 2018 |
| Grod Agri Ltd | Downham Market | 2025 |
| Groeswen Farm Limited | Cardiff | 2022 |
| Gromax Industries Limited | Cheltenham | 2005 |
| Gronidaal Farms Limited | Shetland | 2026 |
| Gronidaal Organic Smolts Ltd. | Yell | 2006 |
| Groobany Farms Limited | Richhill | 2021 |
| Groobox Farm Holding Limited | Knutsford | 2020 |
| Groobox Limited | Knutsford | 2020 |
| Groom Wildlife and Environmental Limited | Castle Douglas | 2021 |
| Groombridge Farms Ltd | Canterbury | 2021 |
| Groombridge Limited | Canterbury | 2012 |
| Groomingtails Dogdaycare Ltd | Wallington | 2026 |
| Groomsbridge Stud Limited | Thetford | 2011 |
| Grosvenor Farms Limited | Chester | 1973 |
| Grotec Limited | Tottenhill | 2001 |
| Groteq Horticulture Ltd | Lincoln | 2020 |
| Ground Bound Ltd | Peterculter | 2025 |
| Ground Control (Yorkshire) Ltd | Leeds | 2019 |
| Ground Control Evergreen Investments Ltd | Billericay | 2020 |
| Ground Torque Limited | Northwich | 2015 |
| Ground Truth Forestry Ltd | Ayr | 2025 |
| Grounded Agvice Ltd | Newbury | 2024 |
| Grounded in Grimsby CIC | Great Grimsby | 2024 |
| Grounded LAB Ltd | Bridport | 2025 |
| Groundlord Ltd | Andover | 2015 |
| Grounds Gold CIC | Brighton | 2024 |
| Groundscare & General Services Ltd | Cranbrook | 2008 |
| Groundwork Community Forests North East Development Limited | Leeds | 1997 |
| Groupcani Ltd | London | 2025 |
| Grove & Rufford Woodlands Limited | Newark | 1993 |
| Grove Brothers Limited | Marlborough | 2014 |
| Grove Cottage Farm Ltd | Crumlin | 2011 |
| Grove Court(Boughton)Limited | Faversham | 1956 |
| Grove Estate (Wine) Limited | Stafford | 2016 |
| Grove Farm (Lincs) Limited | Market Rasen | 2005 |
| Grove Farm Biomass Ltd | Ipswich | 2018 |
| Grove Farm Estate Holdings Ltd | Brentwood | 2021 |
| Grove Farm Liveries Ltd | Grimsby | 2022 |
| Grove Farm Pigs Ltd | Norwich | 2012 |
| Grove Farm Produce Ltd | Omagh | 2015 |
| Grove Farmers Limited | Alresford | 2016 |
| Grove Farmland Limited | Bedfordshire | 2006 |
| Grove Farms (Harwell) Limited | Didcot | 1996 |
| Grove Farms Limited | Doncaster | 1958 |
| Grove Forestry Ltd | Ludlow | 2021 |
| Grove Ground Services Ltd | Lichfield | 2021 |
| Grove House Produce Limited | Leominster | 2000 |
| Grove Park (Warwick) Limited | London | 2003 |
| Grove Park Sporting Syndicate Limited | London | 2002 |
| Grove Quality Pork Ltd | Castlederg | 2018 |
| Grove Smith Limited | Braintree | 1968 |
| Grove Smith Turkeys Ltd | Braintree | 2014 |
| Grove Tree Services Ltd | Lichfield | 2024 |
| Grovekey Limited | Saltburn-By-The-Sea | 1994 |