| L M Kendall Limited | Yeovil | 2020 |
| L M Tree Surgery Limited | Havant | 2026 |
| L Mcbride Contracts Limited | Newry | 2016 |
| L P Mcdonald Limited | Penrith | 2002 |
| L Parker & Company Limited | Llangollen | 1995 |
| L Price Agricultural Ltd | Milton Keynes | 2025 |
| L R Agricultural Ltd | Market Rasen | 2026 |
| L S F S Limited | Penrith | 2002 |
| L S S C Limited | Peterborough | 2002 |
| L Simmons Ltd | Exning | 2021 |
| L T H Farms Ltd | Maldon | 2008 |
| L W Taylor Limited | Penrith | 2002 |
| L Watson Contracting Ltd | Carnoustie | 2021 |
| L White Tree Services Ltd | Rochester | 2020 |
| L Witcomb Agriculture Limited | Melton Mowbray | 2024 |
| L&C Shellfish Ltd | Isle Of Mull | 2022 |
| L&D Haulage Ltd | London | 2022 |
| L&G Nature Investments Limited | London | 2025 |
| L&G Rail Ltd | Sutton-In-Ashfield | 2022 |
| L&L Equestrian Ltd | Horsham | 2024 |
| L&R Hospitality Essentials Ltd | Basildon | 2024 |
| L'Agence Anglaise Ltd | Salisbury | 2014 |
| L'Escargotiere (Ribble Valley) Ltd | Preston | 2018 |
| L'Escargots UK Ltd | Wantage | 2024 |
| L'Obsteria Ltd | Anstruther | 2026 |
| L. Bartrupt & SON Limited | Near Chelmsford | 1952 |
| L. Dewey & Co. Limited | Yeovil | 1983 |
| L. E. & N Limited | Wem | 2019 |
| L. O. Clothier & Sons Limited | Taunton | 1959 |
| L. Pardoe & SON (Iverley) Limited | West Midlands | 1965 |
| L. Sampson & SON Limited | Bedale | 1956 |
| L. Symington (Farms) Limited | King'S Lynn | 1954 |
| L.A. Dale Ltd | Stockton-On-Tees | 2025 |
| L.A. Sibley Limited | Southminster | 1970 |
| L.A.M. Smith & Sons Limited | Haverfordwest | 2003 |
| L.B. Mcronald Limited | Aberdeen | 2018 |
| L.Bray & Sons Limited | Wrangle | 1959 |
| L.Burdekin & Sons Limited | Belper | 1952 |
| L.C. Hobbs & SON Limited | Crawley | 1966 |
| L.C. Osborn & SON Limited | Bedford | 1977 |
| L.C. Smales & SON Limited | Berwick-Upon-Tweed, | 2009 |
| L.C.Byass Limited | Hull | 1964 |
| L.C.F.Arthey & Sons Limited | Kersey | 1964 |
| L.C.J. Mountain Farms Limited | Huntingdon | 2003 |
| L.E. Toshi Limited | Woodbridge | 1975 |
| L.E.Barnes and Sons Limited | Bedford | 1961 |
| L.E.Tuckwell Limited | Woodbridge | 1958 |
| L.F.C. Horkstow Limited | Gainsborough | 1972 |
| L.G. Harrison & SON Limited | Norwich | 1982 |
| L.G.Dawson Limited | Louth | 1953 |
| L.G.Maplethorpe Limited | Lincoln | 1956 |
| L.Green & SON Limited | Studley | 1947 |
| L.J. Drinkall Limited | Barton-Upon-Humber | 2002 |
| L.J. Fairburn and SON Limited | Alford | 1974 |
| L.J. Flower Limited | Essex | 1983 |
| L.J.Fermor Limited | Nr Ashford | 1958 |
| L.M. Davey & Sons Limited | North Somercotes | 1947 |
| L.M.F. Ltd. | Shropshire | 1997 |
| L.Mckenzie Contracts Ltd | Inverurie | 2020 |
| L.N.Mitchell Limited | Sutton Coldfield | 1956 |
| L.Nettleton & SON Limited | Nr.Hull | 1960 |
| L.P Tree Care & Landscaping Ltd | Bury St. Edmunds | 2021 |
| L.P Tree Services Ltd | Emsworth | 2023 |
| L.P. Plant Hire & Groundworks Limited | Hexham | 2018 |
| L.S. Farm Ltd | Leominster | 2020 |
| L.S. Kinghorn Limited | Fraserburgh | 1968 |
| L.S. POW & Sons Limited | Bath | 1976 |
| L.Sargent & SON Limited | Ware | 1959 |
| L.Sealey & SON Limited | Shepton Mallet | 1957 |
| L.Stock (Wimbish) Limited | Saffron Walden | 1961 |
| L.Sykes Farmers Limited | St. Neots | 1965 |
| L.T.Bichan & Company Limited | Bury St. Edmunds | 1961 |
| L.Wheeler and Sons(East Peckham)Limited | Tonbridge | 1952 |
| L.Wheeler and Sons(Maldon)Limited | Rye | 1952 |
| L.Wheeler and Sons(Yalding)Limited | Kent | 1952 |
| L51 Vines Ltd | Chichester | 2025 |
| LA Avram Grill Shawarm Ltd | Ipswich | 2026 |
| LA Casa Dog Day Care Ltd. | London | 2024 |
| LA Equine Limited | Scunthorpe | 2016 |
| LA Evans Tree Services Limited | Milton Keynes | 2015 |
| LA Forestal Limited | Hove | 2002 |
| LA Levade Limited | Bishop'S Stortford | 2015 |
| LA MES Bella Ltd | Kingswinford | 2024 |
| LA Pive Limited | Devon | 1998 |
| LA Riviere Limited | Hastings | 1981 |
| LA Rosada Polo Breeding Limited | Birkenhead | 2023 |
| LA Saule Paquot Ltd | London | 2020 |
| LA Serra Limited | Throckmorton | 2018 |
| Labaks Limited | London | 2024 |
| Labangate Limited | Bardsey | 1981 |
| Labbett Family Farms Ltd | Leigh On Sea | 2015 |
| Labour One Limited | Westerham | 2024 |
| Laburnum Farm Limited | Tywyn | 2010 |
| Laburnum Nurseries Limited | Preston | 2002 |
| LAC DES Lesmont UK Limited | Upminster | 2021 |
| LAC Labyrinth Limited | Broxbourne | 2012 |
| Lachstone Farms Limited | Wigton | 2009 |
| Lacu Farms Limited | Baildon | 2025 |
| Lacuna Heath Limited | Bury St Edmunds | 2018 |
| Ladacre Ltd | Beverley | 2006 |