| Sutton Genesta Limited | London | 2022 |
| Sutton Grange Farming Limited | Retford | 2017 |
| Sutton Grange Services Limited | Retford | 2012 |
| Sutton Harbour Company | Plymouth | 1981 |
| Sutton HOO Chicken Limited | Woodbridge | 2017 |
| Sutton HOO Produce Limited | Woodbridge | 1993 |
| Sutton Mead Limited | Salisbury | 2012 |
| Sutton Scotney Manor Farms Limited | Sutton Scotney | 1989 |
| Sutton Shellfish Limited | Scarborough | 2022 |
| Sutton's Agri Services Ltd | Preston | 2021 |
| Sutton-On-The-Hill Farms Limited | Ashbourne | 1963 |
| Suttons & SON Limited | Bridgnorth | 2023 |
| Suttons Farms Limited | Boston | 1970 |
| SV Consulting Ltd | Warminster | 2023 |
| SV Salads Ltd | Oldbury | 2022 |
| SV Wholesale Ltd | Bedford | 2022 |
| Sven's Tree Services Ltd | Brentwood | 2018 |
| Sverigen Imex Ltd. | Preston | 2024 |
| SW Darnell Limited | Helston | 2025 |
| SW Equine Limited | Ipswich | 2015 |
| SW Farm Contracting Limited | Datchet Slough | 2013 |
| SW Property Developments (Cornwall) Ltd | Helston | 2015 |
| SW Timber Harvesting Limited | Ayr | 2017 |
| SW Woodland Management Limited | Exeter | 2022 |
| SWA Arboriculture Ltd | Wantage | 2024 |
| Swaddledown Farms Limited | Okehampton | 2001 |
| Swade (Satellite Based Water Demand Estimation) Ltd | Birmingham | 2024 |
| Swains Field Limited | Newport | 1967 |
| Swalcliffe Park Equestrian Ltd | Banbury | 2011 |
| Swalcliffe Park Livery Ltd | Banbury | 2007 |
| Swalebank Farms Limited | Bedale | 1986 |
| Swaledale and Wensleydale Environmental Farmers Ltd | Fordingbridge | 2024 |
| Swaledale Sheep Breeder's Association | Barnard Castle | 1922 |
| Swalewoods Ltd | Richmond | 2023 |
| Swallow Mill Farm Limited | Ashford | 2012 |
| Swallowfield Forestry Ltd | Nairn | 2024 |
| Swallowfields Farm Ltd | Halifax | 2026 |
| Swallows Farm Ltd | Maidstone | 2025 |
| Swallows Nursery & Plant Centre Limited | Bicester | 2014 |
| Swan Farm UK Limited | Enniskillen | 2026 |
| Swan Lodge Limited | Melton Mowbray | 1994 |
| Swan Valley Lakes Ltd | Wokingham | 2023 |
| Swanage Sea Fishing Limited | Swanage | 2013 |
| Swanbridge Bloodstock Limited | Hessle | 2009 |
| Swanella Limited | Ferriby Road Hessle | 1994 |
| Swangrove Estates Limited | Badminton | 1960 |
| Swanspool Allotments Ltd | Wellingborough | 2022 |
| Swanston Farm Limited | | 1998 |
| Swanton Farms Limited | Salisbury | 2014 |
| Swanton Morley Contracting Ltd | Dereham | 2014 |
| Swanton Morley Farms Limited | Dereham | 1953 |
| Swarkestone Nursery Limited | Swarkestone | 2014 |
| Swarkestone Road Kennels Ltd | Derby | 2024 |
| Swarland Brick Company Limited(The) | Alnwick | 1937 |
| Swarland Park Equestrian Limited | Morpeth | 2022 |
| Swarm OPS Ltd | Ashford | 2023 |
| Swarmcatcher Ltd | Lyme Regis | 2020 |
| Swasea.Marine.Supplys Ltd | Swansea | 2025 |
| Swaythorpe Growers Limited | Driffield | 1996 |
| SWB Farms Limited | Launceston | 2007 |
| SWB Rural Services Ltd | Cardiff | 2019 |
| Swcx Ltd | London | 2021 |
| Swec Ltd | Bridgend | 2023 |
| Swedskocert Group Limited | Maidstone | 2007 |
| Sweepmain Limited | Crediton | 1997 |
| Sweet Apiaries Limited | Studley | 2011 |
| Sweet Briar Farms Ltd | Armagh | 2022 |
| Sweet Home Alpaca CYF | Haverfordwest | 2020 |
| Sweet Knowle Farm Limited | Stratford-Upon-Avon | 1961 |
| Sweet Legacy Equine Ltd | Chippenham | 2025 |
| Sweet Red Balls Limited | Hawick | 2010 |
| Sweethill Eco Fort Ltd | Sidmouth | 2023 |
| Sweethive Enterprise Limited | Smethwick | 2020 |
| Sweetpea Grow and Play CIC | Colchester | 2026 |
| Sweetpea Market Garden CIC | Cambridge | 2026 |
| Sweetpea Smallholdings CIC | Exeter | 2021 |
| Sweetstyle and Co | Lincolnshire | 1977 |
| Swettenham Stud (2015) Limited | Devizes | 2015 |
| SWH Allely Limited | Redditch | 2020 |
| Swift Farms Limited | Maghull | 2009 |
| Swift Offshore Services Limited | Preston | 2003 |
| Swift Pest Control Limited | Ruthin | 2007 |
| Swift Tree Surgery Ltd | Clifton | 2023 |
| Swift Wing Fishing Company Ltd | Whalsay | 2019 |
| Swiftwater-Trade Ltd | London | 2022 |
| Swiggs Symons Limited | Par | 2023 |
| Swillington Organic Farm Limited | Leeds | 2001 |
| Swinchurch Farms Limited | Newcastle | 1965 |
| Swinfen Farms Ltd | Market Harborough | 2017 |
| Swingcroft Limited | Harpenden | 1976 |
| Swinghold Limited | Southampton | 1987 |
| Swinhay Farming Limited | Bristol | 2005 |
| Swinton Trout Ltd | Ripon | 2014 |
| Swires Farm Services Ltd | Harrogate | 2011 |
| Swis Marine & Fishing Ltd | Shetland | 2020 |
| Switchenergia Ltd | Carlisle | 2015 |
| Swites Limited | Forest Row | 1997 |
| Swithland Farms Limited | Nottingham | 1965 |
| SWL Limited | Midlothian | 2004 |
| Swlm Agricultural Investments Ltd | Gillingham | 2023 |