| Burden's Garden Services Ltd | Dorchester | 2018 |
| Burderop Farming Company Limited | Swindon | 2009 |
| Burdett Farming Ltd | Burgess Hill | 2013 |
| Burfield Group Ltd | Goole | 2023 |
| Burford Brothers Ltd | High Peak | 2025 |
| Burford Stud Ltd | Wick St Lawrence | 2015 |
| Burgate Farms Limited | Godalming | 2012 |
| Burge Poultry Rearing Limited | Barnstaple | 2016 |
| Burgerpro Solutions Ltd | Leicester | 2019 |
| Burgess & Walker Transport Limited | St. Ives | 1965 |
| Burgess Equestrian Limited | Goudhurst | 2021 |
| Burgess Forestry Ltd | Cambridge | 2018 |
| Burgh Fencing Limited | Melrose | 2012 |
| Burgharde Ltd | Sheffield | 2021 |
| Burgie Lodge Farms Limited | Ross-Shire | 1956 |
| Burglas Limited | Kilmarnock | 1997 |
| Burgoynes (Lyonshall) Limited | Kington | 1990 |
| Buriton Estates Limited | Petersfield | 1988 |
| Burke Shipping Services Limited | Craigavon | 1970 |
| Burkhill Enterprises (Dronfield) Ltd | Huddersfield | 2024 |
| Burkinshaw Estates Limited | Choppington | 2022 |
| Burland Farm Limited | Nantwich | 2010 |
| Burley Lodge Stud Limited | Cirencester | 2019 |
| Burley Park Limited | Winchester | 2023 |
| Burley Tree Services Ltd | Petworth | 2022 |
| Burling Brothers Limited | Cambridge | 1964 |
| Burlingham Estate Shoot Limited | Norwich | 1996 |
| Burlington Berries Limited | Maidstone | 2011 |
| Burlington Farms Limited | Bedford | 1939 |
| Burlort Limited | Haverfordwest | 1988 |
| Burn Road Fisheries Ltd | Selby | 2024 |
| Burnbank Farms Ltd | Cookstown | 1990 |
| Burnbox Ltd | Sleaford | 2024 |
| Burnbrae Farm Ltd | Airdrie | 2021 |
| Burnby Farms | York | 2006 |
| Burncastle Farming Company Ltd | Northumberland | 1996 |
| Burnett Fishing Ltd | Peterhead | 2022 |
| Burnfoot Reservoir Limited | Kilmarnock | 2002 |
| Burnham Farms Limited | Norwich | 2020 |
| Burnham Nurseries Limited | Devon | 1951 |
| Burnham on Crouch Tree Suppliers Limited | Basildon | 2023 |
| Burnhead Rural Services Ltd | Omagh | 2018 |
| Burnhouse Game Farms Limited | Stirlingshire | 2002 |
| Burnhouse Lochan Fishery Limited | Stirlingshire | 1997 |
| Burnimage Ltd | Watford | 2009 |
| Burningfold Limited | Dunsfold | 1999 |
| Burnsall Angling Club Proprietors Limited | Otley | 1966 |
| Burnside Estate Company Holdings Ltd | Norwich | 2019 |
| Burnside Farming Limited | Forfar | 2008 |
| Burnside Logs Ltd | Turriff | 2017 |
| Burnside Soft Fruit Limited | Forfar | 2020 |
| Burnt ASH Farm Limited | Stroud | 2007 |
| Burnt House Farm (Agricultural) Limited | Bury | 2021 |
| Burnt Oak Farm & Kennels Limited | Dorking | 2002 |
| Burnt Oaks Farms Limited | Luton | 2021 |
| Burnt Wood Limited | Ipswich | 2017 |
| Burntshields Ltd | Kilbarchan | 2017 |
| Burnwell Incinerators Limited | London | 2015 |
| Burr Blocks Limited | Helston | 2010 |
| Burrage & Associates Ltd | Norwich | 2021 |
| Burrell Enterprises Limited | London | 1997 |
| Burrell Property Limited | Berwick Upon Tweed | 2026 |
| Burrington Game Farm Limited | Umberleigh | 2021 |
| Burrington Grain Store Limited | Devon | 1979 |
| Burrough Bloodstock Ltd | Leicester | 2022 |
| Burrough Brothers Limited | Street | 2025 |
| Burrough Court Estate Limited | Lincolnshire | 1944 |
| Burrough Haulage Limited | Chard | 2022 |
| Burrow Farm Limited | Derrylin | 2025 |
| Burrowland Dairy Limited | Kilwinning | 2025 |
| Burrows Contractors Limited | Wokingham | 2019 |
| Burston Farmers Ltd | Aylesbury | 2020 |
| Burton & Derby Home Improvements Ltd | Fareham | 2026 |
| Burton Agnes Stud Company Limited(The) | Driffield | 1962 |
| Burton Farm Ltd | Nuneaton | 2021 |
| Burton Fields Farming Ltd | Leicestershire | 1976 |
| Burton Hall Farm Ltd | Berwick-Upon-Tweed | 1988 |
| Burton Latimer Estates Ltd | Kettering | 1988 |
| Burtts of Dowsby Limited | Lincolnshire | 1942 |
| Burwell Hatchery Ltd | Norwich | 2006 |
| Burwell Pheasantries Limited | Spilsby | 2005 |
| Bury Farm (Meppershall) Limited | Shefford | 1956 |
| Bury Farm Sharpenhoe Limited | Brackley | 2023 |
| Bury Hill Angling Club Limited | Derby | 2016 |
| Bury Hill Fisheries Limited | Derby | 2002 |
| Bury Lodge Farm & Services Limited | Waterlooville | 2025 |
| Bury Poultry Ltd | Bury | 1999 |
| Bury's Transport (Maxim) Limited | Oxford | 1960 |
| Busby Equitation Centre Ltd. | Glasgow | 1997 |
| Busby Farms Ltd | Ballygawley | 2024 |
| Busby Partners Limited | Swadlincote | 2007 |
| Busch Pharma Limited | Isleworth | 2019 |
| Busfield Forestry Ltd | Skipton | 2025 |
| Bush Farm Foods Ltd | Belfast | 2023 |
| Bush Stables Limited | Plymouth | 2013 |
| Bushelhead Farms Limited | Carluke | 2026 |
| Bushmartin Ltd | Newton Abbot | 2025 |
| Bushwell Farm Ltd | Leicestershire | 2004 |
| Bushy Coombe Land Trust Ltd | Street | 2013 |
| Business Global Network Ltd | Hainault | 2022 |