| B12 Records | 1990 | Original Production | — |
| Babel | 1994 | Original Production | 4443 |
| Back Yard Recordings | — | Original Production | 19893 |
| Bad Taste Records | — | Publisher | — |
| Balkan Vinyl | 2010 | Original Production | — |
| Bam-Caruso Records | 1983 | Production | — |
| Banoffee Pies Records | 22 March 2013 | Production | — |
| Barcode Recordings | 6 October 2003 | Original Production | — |
| Baroque Records | — | Original Production | — |
| Basement Records | 1991 | Original Production | — |
| Battle Worldwide Recordings | 2 July 2012 | Production | — |
| BBC | 18 October 1922 | Broadcaster | — |
| BBC Legends | — | Reissue Production | 10552 |
| BBC Music Magazine | August 1992 | Production | — |
| BBC Radio 1 | 30 September 1967 | Broadcaster | — |
| BBC Radio 2 | 30 September 1967 | Broadcaster | — |
| BBC Radio 3 | 30 September 1967 | Broadcaster | — |
| BBC Radio 4 | 30 September 1967 | Broadcaster | — |
| BBC Radio 4 Extra | 15 December 2002 | Broadcaster | — |
| BBC Radio Classics | — | Imprint | 3007 |
| BBC Records | 1967 | Imprint | — |
| BBE | 1996 | Original Production | 15287 |
| Bedrock Records | 1999 | Original Production | — |
| Beggars Banquet | 1977 | Original Production | 5485 |
| Believe Recordings | 2010 | Original Production | 28864 |
| Bella Union | 1997 | Original Production | 13566 |
| Benbecula | 1 November 1999 | Original Production | 13434 |
| Beth Shalom Records | 2014 | Publisher | — |
| Beyond | 1992 | Original Production | — |
| BGP Records | — | Reissue Production | 5502 |
| Big Beat | — | Original Production | 9797 |
| Big Break Records | 2010 | Reissue Production | — |
| Big Brother | 2000 | Original Production | — |
| Big Cat Records | 29 April 1989 | Original Production | 7861 |
| Big Dada | — | Original Production | 12885 |
| Big Finish Productions | 1996 | Original Production | — |
| Big in Ibiza | 2008 | Publisher | 53190 |
| Big Life | 1986 | Original Production | 6816 |
| Big3 | — | Reissue Production | — |
| Bigo & twigetti | — | Original Production | 18952 |
| Bingo Beats | October 2000 | Original Production | — |
| Bingo Records | 14 July 2017 | Imprint | — |
| Bits & Pieces | 2007 | Original Production | — |
| Black Acre | 2007 | Original Production | — |
| Black Box | — | Original Production | — |
| Black Box | — | Production | 11303 |
| Black Butter Records | 8 June 2010 | Imprint | — |
| Black Focus Records | 2017 | Imprint | — |
| Black Lantern Music | 2009 | Production | — |
| Black Lion | — | Reissue Production | — |
| Black Sheep Music Ltd. | — | Publisher | — |
| Blackend | 1996 | Reissue Production | — |
| Blanco y Negro Records | — | Original Production | 4281 |
| Blast First | 1985 | Production | — |
| Blast First Petite | 2004 | Production | — |
| Bleep | 14 January 2004 | Distributor | — |
| BLOKSHOK Records | 1993 | Original Production | — |
| Blood & Biscuits | 27 May 2008 | Publisher | — |
| Blood and Fire | 1993 | Reissue Production | — |
| Blow Up Records | 1994 | Original Production | 14422 |
| Bludgeon Riffola | 1987 | Original Production | — |
| Blue Beat | — | Original Production | — |
| Blue Moon | — | Reissue Production | — |
| Blue Room Released | 1994 | Original Production | 4392 |
| Blueprint | — | Original Production | — |
| Blueprint | 1996 | Original Production | — |
| Bluurg Records | 1982 | Original Production | — |
| Bluurg Tapes | 1980 | Original Production | — |
| BMG Rights Management (UK) Ltd. | 2008 | Publisher | — |
| BMG TV | 2004 | Imprint | — |
| Bom Shanka Music | — | Original Production | — |
| Bomber Music | — | Production | — |
| Bonaire | 1985 | Imprint | 8600 |
| Bonzai Trance Progressive UK | — | Original Production | — |
| Borderline Music | 2010 | Publisher | — |
| Boscaland Recordings | 1992 | Production | — |
| Boss Tuneage | 1990 | Original Production | — |
| Boutique | — | Original Production | — |
| Breakbit Music | 15 July 2010 | Distributor | — |
| Breakdown Records | 1994 | Production | — |
| Breakin’ Records | — | Original Production | — |
| Breakout | 1986 | Original Production | — |
| British Grove Records | 2015 | Production | — |
| British Library | 1 July 1973 | Publisher | — |
| Broken Flag | 1982 | Original Production | — |
| Bronze | May 1971 | Original Production | 2313 |
| Brownswood Recordings | — | Original Production | — |
| Bruton Music | 1977 | Production | — |
| Bush Records | 1993 | Original Production | — |
| Butterfly Records | — | Original Production | — |
| Butterz | 2010 | Original Production | — |
| B‐Unique Records | September 2000 | Original Production | 530 |