| Stable Hands Equine Massage Ltd | Lutterworth | 2023 |
| Stable Hub Limited | Morpeth | 2026 |
| Stable Routes Equine Assisted Learning Limited | Bradford | 2021 |
| Stable View Cattery Limited | Chorley | 2021 |
| Stable View Equestrian Centre Limited | Leeds | 2019 |
| Stablechief Ltd | Haywards Heath | 1999 |
| Stabler Farming Limited | Driffield | 2025 |
| Stables Carp Fishery Limited | Hull | 2011 |
| Stables Farming Ltd | Newark | 2024 |
| Stacey Addison Limited | Sleaford | 2018 |
| Stackpole Farms Limited | London | 1957 |
| Stacy Puppies Ltd | Doncaster | 2024 |
| Staffler Farming Company | Gretna | 2012 |
| Stafford Brook Stables Limited | Rugeley | 2002 |
| Staffordshire Agri Services Limited | Carlisle | 2022 |
| Staffordshire Angling Club Ltd | Stoke-On-Trent | 2025 |
| Staffordshire Herbs Ltd | Lichfield | 2019 |
| Staffordshire Kindling Supplies Ltd | Burton-On-Trent | 2013 |
| Staffordshire Seeding Contractors Limited | Lichfield | 2024 |
| Staffordsmallholdings Ltd | Shifnal | 2009 |
| Staffs Timber Ltd | Rugeley | 2023 |
| Staffy King Ltd | London | 2025 |
| Stag Garden Centre Limited | Old Ellerby | 2024 |
| Stag Woodland Ltd | Tiverton | 2023 |
| Stagbatch Farm Ltd | Leominster | 2025 |
| Stagg Agricultural Limited | Bedfordshire, Flitwick | 2023 |
| Stags Head Farms Limited | Carlisle | 2025 |
| Stagsbrook Game Ltd | Berwick-Upon-Tweed | 2022 |
| Stagwood Arborists Ltd | Coventry | 2024 |
| Staines Contractors Ltd | Clitheroe | 2026 |
| Staines Trailers Ltd | Torrington | 2011 |
| Stainmore Summit Limited | Kirkby Stephen | 2012 |
| Stainsby House Farm Ltd | Horncastle | 2014 |
| Stainthwaite Boarding Kennels Ltd | Nelson | 2023 |
| Stainthwaite Grooming Ltd | Nelson | 2025 |
| Stalbridge Estate Farms Ltd | Newton | 2025 |
| Stallard Farms Limited | Dymock | 1960 |
| Stallion A.I Services Limited | Oakengates, Telford | 2000 |
| Stallions Direct Limited | Gainsborough | 2021 |
| Stamford Farms Ltd | Alnwick | 2012 |
| Stamford Land Ltd | Barnsley | 2007 |
| Stamp OUT Pest Control Limited | London | 2019 |
| Stamper Bonny Limited | Cockermouth | 2021 |
| Stan Evans Contracting Limited | | 2002 |
| Stan Evans Farms Limited | Newport | 2015 |
| Stan Taylor & Son,Limited | Stourport-On-Severn | 1965 |
| Stan Wall & SON (Timber) Limited | Kidderminster | 2003 |
| Stan White (Produce) Limited | Doncaster | 1975 |
| Stan's Pals Pet Services Limited | Nottingham | 2018 |
| Stanacre Poultry Company Limited | Nr Wakefield | 1972 |
| Stanage House Farm Ltd | Hope Valley | 2019 |
| Stancer Brothers Ltd | King'S Lynn | 2011 |
| Stancombe Cross Farm Ltd | Kingsbridge | 2019 |
| Standalane Ltd | Dunfermline | 2025 |
| Standard Wavelength Limited | Rossendale | 2015 |
| Standardbred GB Limited | Newport | 2020 |
| Standingstone Farm Limited | Castle Douglas | 2011 |
| Standogs Ltd | Nottingham | 2025 |
| Standon Holsteins Limited | Crediton | 2008 |
| Standridge Farm Limited | Lancs | 1981 |
| Stanfield Farms (Wales) Limited | Newcastle Emlyn | 2002 |
| Stanford Hall Farm (1994) Limited | Gloucestershire | 1993 |
| Stangmore Farm Ltd | Dungannon | 2008 |
| Stangroom Bros.Limited | Norfolk | 1961 |
| Stanhoe Farms Limited | Norfolk | 1955 |
| Stanhope Farm Limited | Maidstone | 2023 |
| Stanier Farms Limited | Macclesfield | 2025 |
| Stanislav Kadura Ltd | Edinburgh | 2026 |
| Stanlake Park Company Limited | Berkshire | 1978 |
| Stanley Forestry Limited | Kenilworth | 2025 |
| Stanley Grange Limited | Stokesley | 2020 |
| Stanley James Farming Limited | Royston | 2025 |
| Stanley Livingstone Limited | Armagh | 2013 |
| Stanley Lodge Ltd | Blackpool | 2023 |
| Stanley Marshall (Farms) Limited | Driffield | 1963 |
| Stanley Park Farm Limited | Holmfirth | 2022 |
| Stanners Farm Agriculture Ltd | Spennymoor | 2024 |
| Stanners Farm Equine Limited | Spennymoor | 2021 |
| Stanton Beech Farm Limited | Torquay | 2013 |
| Stanton Park Farm Limited | Matlock | 1947 |
| Stanway Contracts Limited | Benfleet | 1957 |
| Stan’S Stable Ltd | Sutton-In-Ashfield | 2023 |
| Stapeley Lodge Farm Limited | Macclesfield | 2024 |
| Staple Farm Enterprises Limited | Taunton | 2025 |
| Stapledon Woods Nurseries Ltd | Wirral | 2024 |
| Stapleford Horses Ltd | Southampton | 2024 |
| Stapleford Ltd | Okehampton | 2022 |
| Staplegrove Livestock Limited | Cullompton | 1996 |
| Staplehurst Nurseries Limited | Wrotham | 2003 |
| Staples Brothers Limited | Near Boston | 1956 |
| Staples Straw Ltd | Stickney, Boston | 2020 |
| Stapleton Farm Services Ltd | Leicester | 2022 |
| Stapleton Farms Ltd | Ilfracombe | 2012 |
| Stapvelde Ltd. | Kirriemuir | 2024 |
| Star Advertising Products Limited | Chichester | 2003 |
| Star Bloodstock Limited | Rugby | 2014 |
| Star Construction & Plant Hire Ltd | North Benfleet | 2022 |
| Star Equipment Limited | Omagh | 2020 |
| Star Pointe Limited | Epsom | 1996 |
| Stardale Farm Limited | Ravenshead | 2025 |