Publishers
- Bellcode Books 2
- Bellona Publications Limited 1
- Bemrose & Co. 1
- Bemrose & Sons 2
- Bemrose & Sons Limited 2
- Ben Griffin 1
- Benedikt Taschen 2
- Benn Brothers Limited 1
- Bentley Drivers Club Ltd. 1
- Berg 3
- Berger-Levrault 1
- Bernard & Graefe Verlag 1
- Bernard McCall 1
- Bernardin-Bechet 1
- Bernhard Kraus Schwab 1
- Bernhard Richter 1
- Bernhard Tauchnitz 1
- BHS 1
- Bickers & Son 1
- Bickers & Son Ltd. 1
- Birdlife International 2
- Birkhauser 2
- Birkhauser Verlag 1
- Birlinn Limited 6
- Birmingham City Council 1
- Birn Brothers 2
- Birn Brothers Ltd. 21
- Bison Books 6
- Bison Group 1
- Black Belt Press 1
- Black Cat 1
- Black Dwarf Publications 1
- Blacker Design 1
- Blackfriars Press 1
- Blackie 11
- Blackie & Son 10
- Blackie & Son Ltd. 355
- Blackie Academic & Professional 1
- Blackie And Son Limited 25
- Blackie Children's Books 3
- Blackstaff Press 1
- Blackwell Publishers 1
- Blackwell Publishing 1
- Blackwell Science 5
- Blackwell Scientific Publications 16
- Blackwood Morton & Sons Ltd 1
- Blades, East & Blades 1
- Bladon Publishing 1
- Blaisdon Publishing 1
- Blandford Press 13
- Blandford Press Ltd. 5
- Blink Publishing 1
- Bliss, Sands & Co. 1
- Blitz Editions 1
- Blond Educational 1
- Bloomsbury 34
- Bloomsbury Books 8
- Bloomsbury Children's Books 9
- Bloomsbury Publishing Limited 1
- Bloomsbury Publishing Plc 7
- Blorenge Books 1
- Bloud Et Gay 1
- Blue Book Publishing Company 1
- Blue Door 1
- Blumenthals Ltd 1
- Bma Cymru Wales 1
- Bob Englehart 1
- Bodleian Library 1
- Boisterous Books Ltd 1
- Boivin & Cie, Editeurs 2
- Bomford & Evershed Ltd. 1
- Bond Publications 1
- Book Club 1
- Book Club Associates 16
- Book Guild Publishing 2
- Book Law Publications 26
- Bookano Strand Publications Ltd. 1
- Bookland Private Limited 3
- Booklaw Publications 3
- Booklaw Railbus 8
- Bookmarque Publishing 3
- Booky Publisher 1
- Boolarong Publications 1
- Booth Museum Of Natural History 2
- Booth-Clibborn 2
- Boots the Chemists 2
- Bosch 1
- Bossiney Books 2
- Botanical Society Of The British Isles 5
- Bothy Books 1
- Bound Biographies 1
- Bounty Books 5
- Bountyhunter Publications 3
- Boxtree Limited 1
- Bracken Books 7
- Bradbury 1
- Bradbury & Evans 1
- Bradbury Press 3
- Bradbury, Agnew & Co. 1
- Bradbury, Agnew & Co. Ltd. 4