| THE Roussin Sheep Society of the British Isles Ltd. | Dumfries | 1989 |
| THE Rowsell Partnership Limited | Haywards Heath | 1999 |
| THE Rowston Estate Company Limited | Lincoln | 1919 |
| THE Royal Forestry Society | Banbury | 2004 |
| THE Rspca Danaher Animal Home | Braintree | 2005 |
| THE Rushock Group Ltd | Droitwich | 2025 |
| THE Rutland Vineyard Ltd | Stamford | 2022 |
| THE Sacred Groves C.I.C. | London | 2020 |
| THE Saddle Room Limited | Baldock | 2026 |
| THE Salt Merchant Ltd | Eastbourne | 2017 |
| THE Sanctuary at Stoer Limited | Stoke-On-Trent | 2018 |
| THE Sandford Gate Milk Company Ltd | Taunton | 2002 |
| THE Sandstone Hill Glamping Co Ltd | Salford | 2025 |
| THE Sandwell Pest Control Company Limited | Cradley Heath | 2017 |
| THE Sarratt Farming & Woodlands Company Limited | London | 1997 |
| THE Sausage Dog House Daycare Ltd | Ongar | 2023 |
| THE Sausage Dog House Hotel Ltd | Ongar | 2023 |
| THE Scanning Lady Limited | Northampton | 2015 |
| THE Scottish Halibut Company Ltd | Haddington | 2024 |
| THE Scottish White Fish Producers' Association Limited | Fraserburgh | 1944 |
| THE Sea Fish Licence Company Limited | Edinburgh | 2023 |
| THE Seaweed Collective Ltd | Stoke-On-Trent | 2021 |
| THE Seaweed Company Scotland Limited | Stornoway | 2014 |
| THE Secret Farm Ltd | Battle | 2026 |
| THE Secret Hives Ltd | Mold | 2025 |
| THE Secret Ingredient (Swansea) Limited | Swansea | 2011 |
| THE Secret Planthouse Limited | Llanelli | 2025 |
| THE Secret Vineyard Limited | Hailsham | 2021 |
| THE Seed Hunter Ltd | Stowmarket | 2026 |
| THE Seiont, Gwyrfai & Llyfni Anglers Society | Caernarvon | 1996 |
| THE Services Hockley Fishery Limited | Fareham | 2015 |
| THE Services Manor Fishery Limited | Southampton | 1995 |
| THE Shady Deer Village Ltd | Montrose | 2020 |
| THE Sheffield Christmas Tree (PYO) Company Limited | Sheffield | 2016 |
| THE Shellfish Association of Great Britain | London | 2013 |
| THE Sherston Cider Company Ltd | Tetbury | 2010 |
| THE Shetland Pony Experience Ltd | Burra | 2026 |
| THE Shetland Pony Stud-Book Society | Perthshire | 1991 |
| THE Showing Council | Carlisle | 2008 |
| THE Shrimp Hatchery Limited | St. Andrews | 2025 |
| THE Shropshire Boar Company Ltd | Wolverhampton | 2017 |
| THE Shropshire Flower Company Limited | Church Stretton | 2017 |
| THE Shuttleworth Precision Farming Alliance Ukeig | Biggleswade | 1996 |
| THE Singleborough Honey Company Limited | Milton Keynes | 2025 |
| THE SIX Mile Bottom Vineyard Limited | Newmarket | 2022 |
| THE Slim Woodlands C.I.C. | Mitcheldean | 2018 |
| THE Slow Farming Company Limited | Castle Cary | 2017 |
| THE Smart Little Green Company Ltd | Cardiff | 2016 |
| THE Soho Shooting Company Limited | Andover | 2017 |
| THE Soil Association Land Trust | Bristol | 2007 |
| THE Somerset Farrier Ltd | Somerset | 2019 |
| THE Somerset Honey Company Limited | Taunton | 2021 |
| THE South Downs Coppice and Craft Centre Limited | Southampton | 2014 |
| THE South Downs Olive OIL Company Limited | Alresford | 2021 |
| THE South Pickenham Estate Company Limited | Swaffham | 1993 |
| THE South Shropshire Fallen Stock Company | Shrewsbury | 2021 |
| THE SOW to Grow Connective C.I.C. | Huntingdon | 2026 |
| THE Specialist Honey Company Ltd | Chipping Campden | 2016 |
| THE Spirit Acre CIC | Bromsgrove | 2025 |
| THE ST Paul's Walden Bury Estate Company Limited | Hitchin | 1933 |
| THE Stable Therapist Ltd | Glasgow | 2026 |
| THE Stables at Cissbury Horse Sales Limited | Worthing | 2023 |
| THE Stables at Cissbury Limited | Worthing | 2023 |
| THE Stables at Nempnett Limited | Bristol | 2023 |
| THE Staffordshire Honey Company Ltd | Burton-On-Trent | 2023 |
| THE Standardbred and Trotting Horse Association of Great Britain and Ireland | Matlock | 1998 |
| THE Star Fishing Company Limited | Oban | 2003 |
| THE Steane Herd Limited | Brackley | 2016 |
| THE Stirling Group (Scotland) Limited | Angus | 2017 |
| THE Stone Apiary Ltd | Rugby | 2022 |
| THE Stone Lane Flower Company Limited | Melton Constable | 2023 |
| THE Story Farms Limited | Bristol | 2023 |
| THE Stour Fish Farm Ltd | Bexhill | 2019 |
| THE Strollin Bones Ltd | Widnes | 2014 |
| THE Suffolk Punch Trust | Woodbridge | 2002 |
| THE Summer Berry Company Holdings Limited | Chichester | 2019 |
| THE Summer Berry Company UK | Chichester | 1987 |
| THE Sunnyfields Partnership Limited | Southampton | 2003 |
| THE Surrey and Hants Tree Company Limited | Alton | 2010 |
| THE Sussex Beekeeper Ltd | Brighton | 2026 |
| THE Sussex Herd Company Ltd | Tunbridge Wells | 2017 |
| THE Sussex Olive Company Limited | Newnham | 2025 |
| THE Sustainable Scallop Company Limited | London | 2023 |
| THE Sustainable Soils Alliance Community Interest Company | Bristol | 2017 |
| THE Swan's Feather Ltd | Stockport | 2020 |
| THE Sweet Onion Company Limited | Bury St. Edmunds | 2010 |
| THE Swift Farm Company (Kent) Limited | Sandwich | 1997 |
| THE Sydenham Shooting Club Limited | Launceston | 2012 |
| THE Sylhet Tea Company Limited | London | 1894 |
| THE Syndicate of Horticulture Limited | Yorkshire | 1997 |
| THE Tails of Joy Ltd | Peterborough | 2024 |
| THE TAY Salmon Fisheries Company Limited | Midlothian | 2003 |
| THE TAY Salmon Fishing Company Limited | Lincolnshire | 2002 |
| THE TCB Workshop Limited | Buxton | 2004 |
| THE Tenement Yard Limited | Wiveliscombe | 2021 |
| THE Three Horse Field Group Limited | Great Abington | 2020 |
| THE Thunderbridge Stud Ltd | Huddersfield | 2026 |
| THE Thursley Group Ltd | Hindhead | 2016 |
| THE Timber Merchants Limited | Reading | 2017 |
| THE Tollesbury and Mersea Native Oyster Fishery Company Limited | Colchester | 1876 |