Publishers
- Bell and Daldy 9
- Bellcode Books 5
- Bellona Publications Limited 1
- Bemrose & Co. 1
- Bemrose & Sons 5
- Bemrose & Sons Limited 4
- Ben Griffin 1
- Benedikt Taschen 2
- Benn Brothers Limited 1
- Berg 2
- Berger-Levrault 1
- Berghouse Floyd Tuckey Publishing Group 2
- Berkley Books 1
- Bernard & Graefe Verlag 1
- Bernard Jacobson 1
- Bernard McCall 4
- Bernard Quaritch 1
- Bernhard Kraus Schwab 1
- Bernhard Richter 1
- Bernhard Tauchnitz 1
- Berrow's International Publications Limited 1
- Bettany Press 1
- Beyond Words 1
- Bharathan 1
- Bickers & Son 5
- Bickers & Son Ltd. 1
- Biggar & Co. (publishers) Ltd. 1
- Bird's Farm Books 1
- Birdguides 1
- Birdlife International 3
- Birkhauser 3
- Birkhauser Verlag 1
- Birlinn Limited 6
- Birmingham City Council 1
- Birn Brothers 3
- Birn Brothers Ltd. 25
- Bison Books 3
- Bison Group 1
- Black Belt Press 1
- Black Cat 2
- Black Country Society 1
- Black Dog Publishing 1
- Black Dwarf Publications 2
- Blackbarn Books 1
- Blackburn Aircraft Limited 1
- Blackfriars Press 1
- Blackie 26
- Blackie & Son 14
- Blackie & Son Ltd. 454
- Blackie And Son Limited 26
- Blackie Children's Books 5
- Blackstaff Press 1
- Blackwell 1
- Blackwell Science 3
- Blackwell Scientific Publications 17
- Blackwood Morton & Sons Ltd 2
- Blades, East & Blades 1
- Bladon Publishing 1
- Blandford Press 14
- Blandford Press Ltd. 2
- Bliss, Sands & Co. 1
- Blitz Editions 3
- Blond Educational 1
- Bloomsbury 33
- Bloomsbury Books 17
- Bloomsbury Children's Books 6
- Bloomsbury Press 1
- Bloomsbury Publishing Plc 1
- Blorenge Books 2
- Blossom 1
- Bloud Et Gay 1
- Blue Book Publishing Company 1
- Bluebell Railway Preservation Society 1
- Blumenthals Ltd 1
- Bmj Publishing Group 1
- Bob Englehart 1
- Bodleian Library 1
- Boivin & Cie, Editeurs 1
- Bonanza Books 1
- Bonechi 1
- Bonfini Press 2
- Bonhams 1
- Book Club 1
- Book Club Associates 28
- Book Guild Publishing 2
- Book Law Publications 8
- Book Promotions Limited 1
- Bookano Strand Publications Ltd. 1
- Bookland Private Limited 3
- Booklaw Publications 1
- Booklaw Railbus 1
- Bookmarque Publishing 2
- Books And Pictures Publishers Limited 1
- Booth Museum Of Natural History 1
- Booth-Clibborn 3
- Boots the Chemists 5
- Bosch 2
- Bossiney Books 3
- Botanical Society Of The British Isles 2
- Bounty Books 9