| Barras Estates Limited | Bury | 2023 |
| Barras Marine & Agri Ltd | Stonehaven | 2022 |
| Barrdrum Sales Limited | Blairgowrie | 2002 |
| Barrel Bothy Limited | Huntly | 2025 |
| Barrelwell Limited | Angus | 2007 |
| Barrett Agriculture Limited | Omagh | 2022 |
| Barrett Contractors Limited | St Columb | 2015 |
| Barrett Farms Limited | Forfar | 2021 |
| Barrett Tree Service Limited | Gloucester | 2010 |
| Barrick Hill Farms Limited | Dungannon | 2007 |
| Barriets Farms Limited | Dyfed | 2004 |
| Barrington Farm Management Co. Limited | Burford | 1997 |
| Barrington Martin Ltd | Andover | 2020 |
| Barrington Organic Partnership Limited | Ilminster | 2008 |
| Barron Findowrie Limited | Angus | 2006 |
| Barrow Angling Association Limited | London | 2018 |
| Barrow Nook Sanctuary Ltd | Ormskirk | 2025 |
| Barrow Wood Farm Limited | Bristol | 2022 |
| Barrowby Connemaras Limited | Bradford | 2025 |
| Barry Harland & SON Limited | Bexhill-On-Sea | 2010 |
| Barry Martin Agricultural & Poultry Services Limited | Eastbourne | 2002 |
| Barry Morrison Timber Harvesting Limited | Insch | 2003 |
| Barry Mowforth Limited | Goole | 1984 |
| Barry Simpson Ltd | Aboyne | 2017 |
| Barry Waun Enterprises Limited | Haverfordwest | 2006 |
| Barrys Poultry Handling Limited | Pontefract | 2025 |
| Barshill Farm Ltd | Dumfries | 2022 |
| Bart 401 Limited | Aylesbury | 2012 |
| Barters Farm Ltd | Whyteleafe | 2026 |
| Barters Farm Nurseries Limited | Westbury | 1977 |
| Bartholomew Partnership Ltd. | Perth | 2003 |
| Bartholomews Agri Food Limited | Chichester | 1944 |
| Bartim Fisheries Ltd | Gravesend | 2020 |
| Bartletts Farm Logs Limited | Great Dunmow | 2025 |
| Bartley Forest Farm Limited | Bracknell | 2015 |
| Bartlow (Contracting) Limited | Royston | 2010 |
| Barton & Co. (Farmers) Limited | Retford | 1984 |
| Barton Agriculture Limited | Retford | 2020 |
| Barton Bendish Farming Limited | King'S Lynn | 2007 |
| Barton Dog Groomers Ltd | Bedford | 2024 |
| Barton Farming Ltd | Carnforth | 2014 |
| Barton Farms (Kilham) Ltd | Bridlington | 2014 |
| Barton Farms (SW) Ltd | Launceston | 2025 |
| Barton Farms Limited(The) | Moreton In Marsh | 1966 |
| Barton Gate Stables Ltd | Launceston | 2024 |
| Barton Greenwood and SON Limited | Cardiff | 2018 |
| Barton Pest Control Ltd | Brighton | 2025 |
| Barton Place Trading Company Ltd. | Suffolk | 1998 |
| Barton Rose Holsteins | Northallerton | 2014 |
| Barton Stallions Limited | Bury St. Edmunds | 2021 |
| Barton Stud Limited | Bury St Edmunds | 2020 |
| Barway Services Limited | Cambridgeshire | 2005 |
| Barwell Transport Limited | Wisbech | 2011 |
| Barwn Limited | Corwen | 2011 |
| Barworth Agriculture Ltd | Sleaford | 2008 |
| Barworth Research Limited | Sleaford | 2018 |
| BAS Corporation Ltd | York | 2007 |
| BAS Marine Limited | Oban | 2018 |
| Bascote Farriery Services Ltd | Broadwell | 2015 |
| Base - Belonging & Acceptance in Spaces for Everyone C.I.C. | Cleethorpes | 2025 |
| Basford Green Limited | Leek | 2014 |
| Bashefer Ltd | London | 2021 |
| Bashfarms Limited | Horncastle | 2001 |
| Basicbegin Limited | Winchester | 1996 |
| Basil Baird (Fareham) Limited | Edinburgh | 1970 |
| Basil Baird and Sons Limited | Livingston | 1958 |
| Basil Spensley Limited | Skipton, N.Yorks | 1978 |
| Basil-The Apiarist Ltd | Market Harborough | 2018 |
| Baskets in Bloom Ltd | Horsham | 2016 |
| Basonas Limited | Dorking | 2003 |
| Bass Brothers Southern Ltd | Battle | 2020 |
| Bassadanza Ltd | Brough | 2024 |
| Bassetts Farm Logs Limited | Tonbridge | 2019 |
| Bassetts Farm Shop Limited | Tonbridge | 2025 |
| Bassy's Barn Community Interest Company | Alton | 2023 |
| Bast Limited | Exeter | 1994 |
| Bastianfra Limited | Cardiff | 2023 |
| Batash Limited | Bromley | 2024 |
| Bate Farriery Ltd | Sandy | 2019 |
| Bateman Farms Contracting Limited | Wisbech | 2013 |
| Bates Bros (Farms) Limited | Bedford | 1954 |
| Bates Contractors Limited | Macclesfield | 2011 |
| Bates Elite Ltd | Buntingford | 2025 |
| Bates Farm Events Limited | Warrington | 2023 |
| Bates Green Farm Ltd | Halifax | 2022 |
| Batesy Farm & Equestrian Limited | Belfast | 2021 |
| Bath City Farm | Bath | 1995 |
| Bath House Farm Ltd | Belper | 2025 |
| Bath Orchard Ltd | Bridport | 2025 |
| Bathfarm Limited | Audlem | 2025 |
| Bathra Ltd | Chesterfield | 2020 |
| Bathurst Estate Farming Limited | Cirencester | 2019 |
| Batley Hall Farm Riding Centre Limited | Batley | 2013 |
| Batsford Stud Ltd | Newbury | 2011 |
| Battledown Contractors Ltd | South Molton | 2016 |
| Battlefield Stud Limited | Malton | 2014 |
| Battlesea Hall Farms Ltd | Eye | 2024 |
| Batts Equestrian Limited | Newton Abbot | 2020 |
| Batts Farm Ltd | Larne | 2026 |
| Batty Sea Dogs Home Foundation (UK) Ltd | London | 2023 |