| THE Anglers Choice Ltd | Bedford | 2025 |
| THE Anglesey Seaweed Company Limited | Rhosneigr | 2019 |
| THE Animal Innovation Hub Ltd | Didcot | 2026 |
| THE Animal Protection and Woodland Organisation | Bexleyheath | 2011 |
| THE Animal Rescue ARK (T.A.R.A) Limited | Shrewsbury | 2024 |
| THE Antrim Estates Company Limited | Belfast | 1971 |
| THE Apple Orchard Nursery Ltd | Skelton In Cleveland | 2022 |
| THE Apuldram Centre | Chichester | 1989 |
| THE Arable Group Limited | Cambridge | 1923 |
| THE Arbor-Barber Ltd | Milton Keynes | 2021 |
| THE Arbor-Offset Ltd | Lanchester | 2020 |
| THE Arboricultural Company Ltd | Andover | 2020 |
| THE Arboricultural Consultancy Ltd | Brighton | 2015 |
| THE Arborist Academy UK Ltd | Hertford | 2025 |
| THE Arborist Limited | Mansfield | 2003 |
| THE Arcturus Fishing Company Limited | Lerwick | 2000 |
| THE Argyll Fisheries Trust | Argyll | 2006 |
| THE ARK on the Clyde CIC | Port Glasgow | 2019 |
| THE ARK Open Farm Limited | Newtownards | 2023 |
| THE Arran Pioneer Project CIC | Isle Of Arran | 2020 |
| THE Ashmore Shoot Limited | Winchester | 2008 |
| THE Aspley Garden Co Limited | London | 2025 |
| THE Awful Angler Limited | Swanwick | 2022 |
| THE Azure Charitable Foundation | Cramlington | 1982 |
| THE B4 Project Community Interest Company | Metherell, Callington | 2013 |
| THE Backhouse (York) Limited | Cupar | 2016 |
| THE Balloon Tree Yorkshire Limited | York | 2003 |
| THE Bark Inn Langbank Ltd | Langbank | 2024 |
| THE Barkary Limited | Bishop Auckland | 2023 |
| THE Barking Bubble Ltd | King'S Lynn | 2026 |
| THE Barton Grange Group Limited | Preston | 1958 |
| THE Bath Honey Company Ltd | Bath | 2025 |
| THE Bearded Arborist Ltd | Yarm | 2019 |
| THE Beauty of Edinburgh Ltd | Loanhead | 2021 |
| THE BEE Bothy Ltd | Grangemouth | 2025 |
| THE BEE Centre Ltd | Droitwich Spa | 2005 |
| THE BEE Farmer Limited | Ashby De La Zouch | 2017 |
| THE BEE Farmers Association Limited | Aylesbury | 2012 |
| THE BEE Friendly Honey Company Ltd | Clacton-On-Sea | 2022 |
| THE BEE Observatory C.I.C. | Stroud | 2020 |
| THE BEE Rookie Ltd | Devizes | 2025 |
| THE Beech Boys Tree Services Ltd | London | 2025 |
| THE Beekeeping Dream Ltd | Camberley | 2025 |
| THE BEG Farms Limited | Darvel | 2019 |
| THE Belmont Estate (Farm) Limited | Bristol | 2012 |
| THE Beltex Sheep Society Limited | Carlisle | 1990 |
| THE Benacre Company Limited | Beccles | 2016 |
| THE Berkeley Tree Company Limited | Ealing | 2021 |
| THE Berkshire Oak Company Limited | Reading | 2022 |
| THE Beth Chatto Gardens Limited | Colchester | 1988 |
| THE Big Bottom Company Limited | Bicester | 2018 |
| THE Big Green Internet Ltd | Clacton On Sea | 2015 |
| THE Big Green Timber Company Limited | Halifax | 2001 |
| THE Bigger Plant Company Limited | Meols | 2001 |
| THE Bighton Partridge Club Limited | Winchester | 2003 |
| THE Bilsington Priory Estate Limited | Ashford | 2003 |
| THE Birdman Parrot Rescue Ltd | Blackpool | 2025 |
| THE Birdsgrove Fly-Fishing Club Ltd | Ashbourne | 1992 |
| THE Birks Stables Ltd | Morpeth | 2011 |
| THE Blackthorne Trust Limited | Rhayader | 2023 |
| THE Blaise Plant Company Limited | Maidstone | 2017 |
| THE Blakeley Group Limited | Stoke-On-Trent | 2025 |
| THE Blossom Grove Flower Farm Ltd | Hitchin | 2019 |
| THE Blossom Stud Ltd | Doncaster | 2021 |
| THE Blue Prawn Company Limited | Nantwich | 2024 |
| THE Blue Sea Fishing Company Ltd | Manchester | 2018 |
| THE Blue Tree Company (UK) Limited | Chalgrove | 2013 |
| THE Bluecat Cattery Ltd | Bedford | 2016 |
| THE Bonnie Forestry Company Ltd | Spean Bridge | 2025 |
| THE Borders Forest Trust | Scottish Borders | 1996 |
| THE Boston Woods Trust | Boston | 2001 |
| THE Bourne Pet Sitter Limited | Stamford | 2024 |
| THE Boutique Dog Hotel Limited | Blyth | 2025 |
| THE Braes Farming Company Ltd. | Lochearnhead | 1959 |
| THE Brambles Labradors Ltd | Kings Lynn | 2026 |
| THE Bramblewood Project C.I.C. | Worcester | 2020 |
| THE Bread Kitchen C.I.C. | Great Yarmouth | 2016 |
| THE Breeding Centre Limited | Dereham | 2022 |
| THE Brightspark Organisation Ltd | Stratford-Upon-Avon | 2019 |
| THE Brilliance Horse Auction Company Limited | Salisbury | 2023 |
| THE Bristol Cemetary Company Limited | Amersham | 2008 |
| THE British Alpaca Society | Exeter | 1996 |
| THE British Bazadaise Cattle Society | Lewes | 1989 |
| THE British Berrichon Sheep Society Ltd. | Carlisle | 1986 |
| THE British Blue Cattle Society | Carlisle | 1983 |
| THE British Lowline Cattle Society | Carlisle | 2022 |
| THE British Parthenais Cattle Society | Aylesbury | 1988 |
| THE British Quinoa Company Ltd | Ellesmere | 2012 |
| THE British Seabuckthorn Company Ltd | Gt. Holland | 2011 |
| THE Brood Pet Services Ltd | Insch | 2022 |
| THE Brow Farm Norbury Ltd | Bishops Castle | 2019 |
| THE Brown Family Farming Company Ltd | Bristol | 2019 |
| THE Bucks Goat Centre Ltd | Aylesbury | 2018 |
| THE Buffalo Farm Produce Ltd | Glenrothes | 2024 |
| THE Bully Firm UK Limited | Leicester | 2017 |
| THE Bully PIT Pound Ltd | Birmingham | 2019 |
| THE Bully Ranch (UK) Ltd | Cardiff | 2016 |
| THE Bullyeones Ltd | London | 2021 |
| THE Bunnery Limited | Faversham | 2022 |
| THE Burling Family Ltd | Stockport | 2013 |