| Spirestaffs Ltd | Chesterfield | 2025 |
| Spirit Paws Ltd | Par | 2023 |
| Spirited Trawlers (BP) Limited | St. Austell | 2024 |
| Spirited Trawlers Limited | Brixham | 2018 |
| Spitalfields Estate Company Limited | London | 1998 |
| Spitalfields Farm Association Limited | | 1986 |
| Spiteri Retraining Limited | Newcastle Emlyn | 2022 |
| Spitfire Avian Pest Control Ltd | Huntingdon | 2018 |
| Spitfire Polo Club Ltd | Reading | 2025 |
| Spittal House Farm Limited | Carlisle | 2024 |
| Spittalhill Limited | Royston | 2018 |
| Splatt Barn Limited | Bridgwater | 2026 |
| Splatt Farm Gardens Ltd | Bridgwater | 2020 |
| Splatt Growing Community C.I.C. | Bridgwater | 2023 |
| Splendidsuccess Limited | Harrogate | 1999 |
| SPM 1K Limited | Sheffield | 2023 |
| Spofforth Forge Limited | Harrogate | 2010 |
| Spog Rural Limited | Wellingborough | 2024 |
| Spond Farm Limited | Stoke On Trent | 2023 |
| Spoodies UK Ltd | Bristol | 2025 |
| Spore & Anvil Ltd | Grantham | 2025 |
| Spore & More Ltd | Cardiff | 2025 |
| Spore and Stem Ltd | Colchester | 2026 |
| Spore of Sussex Ltd | Haywards Heath | 2024 |
| Spores N Sprouts Ltd | Newark | 2024 |
| Sporeshore Mushrooms Ltd | Bangor | 2020 |
| Sport and Leisure Fisheries Limited | Shifnal | 1989 |
| Sport Dogs UK Ltd | Manchester | 2019 |
| Sport Horse Breeding of Great Britain | Kent | 1886 |
| Sporteq IO Ltd | London | 2023 |
| Sporting Estates Game Ltd | Boston | 2019 |
| Sporting Game Birds Limited | Halstead | 2021 |
| Sporting Saint Limited | Bromyard | 2006 |
| Sporting Shots Ltd | Wantage | 2018 |
| Sports Dog Limited | Kingswinford | 2018 |
| Sports Performance Shoeing Limited | Haywards Heath | 2017 |
| Sportselect Limited | York | 1977 |
| Sportswood Limited | Doddinghurst | 1997 |
| Spotlight Pest Control Services Limited | Hythe | 2017 |
| Spots View Farm Services Limited | Bedale | 2024 |
| Spotted FIN Limited | Coventry | 2012 |
| Spotty Dog Daycare Ltd | Bedlington | 2022 |
| Spouse Fishing Limited | Peterhead | 2019 |
| SPR (East Anglia) Limited | Wisbech | 2004 |
| Sprayrite Agri Ltd | Portadown | 2012 |
| Spraytec Limited | Dunmow | 1997 |
| Spraytech Limited | Launceston | 1996 |
| Spraytrac Limited | Sleaford | 1982 |
| Sprees Farm Ltd | Hereford | 2023 |
| Spridlington Viners Limited | Market Rasen | 1967 |
| Spring Business Consulting Limited | Taunton | 2012 |
| Spring Cottage Honey Ltd | Probus | 2026 |
| Spring Farm Holdings Unlimited Company | Macclesfield | 2016 |
| Spring Farm Systems Ltd | Norwich | 2014 |
| Spring Garden Eggs Limited | East Dereham | 2011 |
| Spring Grounds Farm (2024) Limited | Banbury | 2024 |
| Spring Grove House Limited | Witney | 2015 |
| Spring Grove Stables Limited | Witney | 2015 |
| Spring Heath Limited | Oswestry | 2016 |
| Spring Hill Houses Ltd | Towcester | 2023 |
| Spring Pond Farming Limited | Winchester | 1996 |
| Spring Rock Leisure Limited | Llandegley | 2017 |
| Spring Water Mushrooms Buxton Limited | Buxton | 2021 |
| Springboard Investments Group Limited | Glasgow | 2026 |
| Springfield Carp Fisheries Ltd | Hull | 2025 |
| Springfield Cheshire Free Range Eggs Limited | Warrington | 2009 |
| Springfield Farm and Cottage Ltd | Sutton-In-Ashfield | 2026 |
| Springfield Farm Equestrian Limited | Leeds | 2014 |
| Springfield Farm Estates Limited | Macclesfield | 2024 |
| Springfield Farming Limited | Aylesbury | 1987 |
| Springfield Farms (Sherburn) Limited | Malton | 1957 |
| Springfield Nurseries Limited | Macclesfield | 2022 |
| Springfield Soft Fruit Limited | Hereford | 2013 |
| Springfield Stud Ltd | Melton Mowbray | 2019 |
| Springfields Biodynamic Vineyard Limited | Uckfield | 2018 |
| Springfields Fresh Produce (Manorbier) Limited | Tenby | 1991 |
| Springhead Farm Limited | Holmfirth | 2026 |
| Springhill Farms (Pershore) Limited | Evesham | 2006 |
| Springhill Farms Limited | Bedford | 1989 |
| Springhill Lane Farm Ltd | Donaghcloney | 2015 |
| Springhill Nurseries (Wholesale) Limited | Aberdeen | 1990 |
| Springhill Nurseries Ltd | Evesham | 2006 |
| Springhill Poultry Limited | Glenanne | 2017 |
| Springleaze Trading Company Limited | Trowbridge | 1996 |
| Springles Farm Limited | Lewes | 2020 |
| Springline Farming Company Limited | Lincoln | 2008 |
| Springlyon Ltd | London | 2020 |
| Springmeadow Trading Ltd | Derby | 2016 |
| Springvale Environment Limited | Poole | 1996 |
| Springvale Farm & Haulage Limited | Loughborough | 2011 |
| Springvale Fishing Lakes Limited | Loughborough | 2010 |
| Springvale M&M Limited | East Grinstead | 2024 |
| Springvalley Farms Limited | Coleraine | 2016 |
| Springwater Carp Fishery Ltd | Ruislip, | 2025 |
| Springwell Equestrian Centre Ltd | Hebburn | 2023 |
| Springwell Farm Limited | Pinner | 2000 |
| Springwell Nursery Limited | Essex | 2003 |
| Springwood Farms Limited | Dorchester | 2004 |
| Springwood Tree Services (Thorney) Ltd | Newark | 2014 |
| Springwood Trees Ltd | Harleston | 2012 |