| Laura Florals Ltd | Newmilns | 2020 |
| Laura Francis Farm Consultants Ltd | Milton Keynes | 2019 |
| Laura Mundy Ltd | Bolton | 2020 |
| Lauralee Bassets Ltd | Southampton | 2015 |
| Laurance & Co Limited | Louth | 2014 |
| Laurel Farm Supplies Limited | Castlewellan | 2020 |
| Laurel Hill Poultry Ltd | Lisburn | 2025 |
| Laurelbank Community Interest Company | Ballynahinch | 2024 |
| Laurelbank Farm Ltd | Ballynahinch | 2021 |
| Laurelvale Farm Ltd | Coleraine | 2021 |
| Lauren Rose & Rhea S Fishing Company Ltd | Shetland | 2024 |
| Laurence Crow Ltd | Eastbourne | 2008 |
| Laurence Hobbs Orchids Limited | Crawley Down | 1987 |
| Laurence J Betts Limited | Maidstone | 1930 |
| Laurence Kirkby(Farms)Limited | Lincolnshire | 1958 |
| Laurence Raasch Poultry Ltd | Abingdon | 2015 |
| Laurence Wright & Sons Limited | Lowestoft | 1961 |
| Laurent Bienfait Woodlands Services Limited | Doune | 2009 |
| Laurette Ltd. | | 2003 |
| Laurie Ritchie Limited | Banff | 2016 |
| Lauriston Wildflowers Ltd | Edinburgh | 2026 |
| Lauroana Fishing Ltd | Dalton-In-Furness | 2013 |
| Laursen Multimand Ltd | London | 2025 |
| Laurus (PD) Ltd. | | 2007 |
| Lavant Education Limited | Chichester | 2001 |
| Lavant House Stables Limited | Chichester | 2019 |
| Lavant Livery Limited | Chichester | 2019 |
| Lavelle Breeding Services Limited | Newry | 2025 |
| Lavender (Eco) Ltd | Derby | 2026 |
| Lavender Green Limited | Berkshire | 1994 |
| Lavender Hall Fisheries Limited | Berkswell | 2003 |
| Lavender Hill Holidays Limited | Taunton | 2010 |
| Lavender Meadow Ltd | Cheltenham | 2024 |
| Lavenham FEN Farms Limited | Chelmsford | 1955 |
| Lavenham Sanctuary Ltd | Sudbury | 2024 |
| Lavenham Woodland Project Limited | Sudbury | 2003 |
| Laverick Plant Hire Ltd | Richmond | 2021 |
| Laverstoke Farms Limited | Winchester | 2020 |
| Laverstoke Game Services Limited | Whitchurch | 2002 |
| Lavery Poultry Farm Ltd | Coagh | 2017 |
| Lavinia's Farm Ltd | Usk | 2026 |
| Law Agrieng Ltd | Newcastle Upon Tyne | 2018 |
| Law Farmers Limited | North Berwick | 1998 |
| Law Farms Ltd | Royston | 2008 |
| Lawes Agricultural Trust | Harpenden | 2014 |
| Lawinds Group Ltd | Betchworth | 2023 |
| Lawinds Services Ltd | Betchworth | 2024 |
| Lawinds Tree-Care Ltd | Betchworth | 2023 |
| Lawn Farm Limited | Belper | 2025 |
| Lawn Farm Sheep Limited | Shrewsbury | 2024 |
| Lawn Pigs Limited | York | 2012 |
| Lawnatics Limited | Brackley | 2006 |
| Lawnosity Ltd | Ely | 2024 |
| Lawrence's Garden Shop & Nursery Limited | Morpeth | 1990 |
| Lawrenny Farms Ltd | Fishguard | 2016 |
| Lawrie & SON (RFC) Limited | Errol | 1999 |
| Laws Fishing Limited | Bridlington | 2020 |
| Laws Land Labour Ltd | Ivybridge | 2018 |
| Laws Paws Limited | Musselburgh | 2023 |
| Lawson Dairy Ltd | Lancaster | 2019 |
| Lawson's Farm Limited | Lancaster | 2010 |
| Lawton and Laystone Farming Company | Blairgowrie | 1962 |
| Lawton Forestry Limited | Yeovil | 2003 |
| Lawton Valley Kennels Ltd | Stoke-On-Trent | 2015 |
| Laxdale Foodservice Limited | Stirling | 1960 |
| Laybus Limited | Dronfield | 1975 |
| Layer Mills Limited | Colchester | 1949 |
| Layton Edwards Fallen Stock Limited | Bridgend | 2019 |
| Lazorberry Ltd | London | 2022 |
| Lazy Lake Ltd | Wareham | 2024 |
| Lazy Lakes Camping and Tearooms Limited | Maidstone | 2025 |
| LB Contracting & Plant Ltd | Bristol | 2025 |
| LB Equestrian Ltd | Princes Risborough | 2023 |
| LB Equine Ltd | Exeter | 2014 |
| LB Game and Rearing Limited | Harrogate | 2018 |
| LB Sports Horses Ltd | Exton | 2023 |
| LBH (South West) Limited | Minehead | 2020 |
| LBJ Fishing (Hull) Limited | Hessle | 2006 |
| LBO Fisheries Ltd | Whitby | 2025 |
| LBS Pest and Wildlife Solutions Limited | Retford | 2018 |
| LBW Livestock Ltd | Llandeilo | 2025 |
| LC Equestrian Services Ltd | Walton-On-Thames | 2023 |
| LC Farms Ltd | Bideford | 2024 |
| LC Livestock Limited | Chorley | 2026 |
| LCF Farm Limited | Lurgan | 2019 |
| LCF Livery Limited | Cardiff | 2006 |
| LCH Equine Limited | Billesdon | 2026 |
| Lchm Limited | Southport | 2021 |
| LCS Agriculture Limited | Selby | 2003 |
| LCS Sports Horse Breeding Limited | Macclesfield | 2023 |
| LD Animal Solutions Ltd | Tring | 2024 |
| LD Farm Ltd | Cookstown | 2013 |
| LD Farming Ltd | Driffield | 2023 |
| LD3 Limited | Brecon | 2013 |
| LDC (Boston) Limited | Boston | 1964 |
| LDM3 Farms Limited | Cheltenham | 1967 |
| LDN Equestrian Sport Ltd | Southsea | 2022 |
| Ldpts Limited | Stokesley | 2018 |
| LDS Bloodstock Limited | Newmarket | 2022 |
| LDW Bugs Ltd | Bridgnorth | 2021 |