| B-Movie Britz | 1998 | — | — |
| Babe Ruth | 1971 | — | — |
| Babybird | 1995 | — | — |
| Babylon Zoo | 1992 | 2000 | — |
| Babyshambles | 2003 | — | — |
| Bachdenkel | 1968 | 1982 | — |
| BACKSPACE | 1 January 2017 | — | — |
| Bad Ape | 2017 | — | — |
| Bad Boat | 2002 | — | — |
| Bad Company | 1973 | 2023 | British blues-rock supergroup |
| Bad Manners | 1976 | — | UK ska band |
| Bad Taste | 12 October 2026 | — | — |
| Badfinger | December 1969 | — | — |
| Baker Gurvitz Army | 1974 | 1976 | — |
| Bal-Sagoth | 1993 | — | — |
| Balaam and the Angel | 1984 | 1989 | — |
| Balance of Power | 1995 | — | — |
| Baleful Creed | 2009 | — | — |
| Ballboy | 1997 | — | — |
| Bananarama | 1979 | — | — |
| Band of Skulls | 2004 | — | — |
| Bang Bang Machine | 1989 | 1996 | — |
| Barbed Wire | 1984 | — | — |
| Barclay James Harvest | 1966 | — | — |
| Bark Psychosis | 1986 | — | — |
| Basement | 9 September 2009 | — | — |
| Bashful Alley | 1980 | 1984 | — |
| Bastille | 2010 | — | British indie pop band |
| Battery Humans | April 2012 | — | — |
| Battle Born | 2018 | — | — |
| Battle Zone | 1989 | 1994 | — |
| Battleheart | 2004 | 2007 | — |
| Bauhaus | 1978 | 2008 | UK gothic rock band |
| Bay City Rollers | 1967 | 1987 | — |
| Ba’al | 2016 | — | — |
| Be Bop Deluxe | 1972 | 1978 | — |
| Beady Eye | 2009 | October 2014 | — |
| BEAK> | 2009 | — | — |
| Bearfoot Beware | 1 September 2010 | — | — |
| Bearpit | May 2015 | — | — |
| Bear’s Den | 12 March 2012 | — | — |
| Beats International | 1989 | 1992 | — |
| Beau and the Arrows | 27 March 2008 | — | — |
| Bee Gees | 1958 | 2003 | — |
| Beggars Opera | 1970 | 1974 | Hard Rock / Progressive rock from Scotland |
| Belle and Sebastian | January 1996 | — | — |
| Bellowhead | 2004 | May 2016 | — |
| Ben & Jason | 1998 | 2003 | — |
| Benediction | 1988 | — | UK death metal |
| Bentley Rhythm Ace | 1997 | — | — |
| Berlin Black | 30 April 2010 | — | — |
| Berlin Ritz | 1978 | — | hard rock band |
| Bette Davis & the Balconettes | 1989 | — | — |
| Beverley Kills | 9 August 2008 | — | — |
| Beyond Fear | 1993 | 1996 | — |
| Beyond Grace | 2005 | — | — |
| Beyond Redemption | 1997 | 2000 | — |
| BFG | 1985 | — | — |
| Biere De Luxe | 1 February 2011 | — | — |
| Biff Bang Pow! | 1983 | 1991 | — |
| Biffy Clyro | 1995 | — | — |
| Big Audio Dynamite | 1984 | — | — |
| Big Big Train | 1990 | — | — |
| Big Country | June 1981 | — | — |
| Big Fat Panda | 1 January 2007 | — | — |
| Big in Japan | 1977 | 1978 | — |
| Bilge Pump | 1996 | — | — |
| Billy Bibby & The Wry Smiles | 29 September 2015 | — | — |
| Billyclub | 1995 | — | — |
| Biomechanical | 2001 | — | — |
| Bis | 1994 | — | Scottish electro-pop group |
| Bismuth | 2012 | — | — |
| Black Box Recorder | 1998 | 2010 | — |
| Black Cat Bones | 1966 | 1971 | — |
| Black Country, New Road | 2018 | — | — |
| Black Grape | 1993 | — | — |
| Black Helium | 2016 | — | — |
| Black Market Karma | 2011 | — | — |
| Black Moth | 2010 | — | — |
| Black Peaks | 2012 | — | — |
| Black Sabbath | September 1968 | 5 July 2025 | English heavy metal band |
| Black Spiders | 2008 | — | British hard rock/stoner rock band |
| Black Widow | September 1969 | 2014 | English prog band |
| Blackbeard's Tea Party | July 2009 | — | — |
| Blacken The Name | 1 November 2011 | 26 July 2015 | — |
| Blackfield | 2001 | — | — |
| Blackfoot Sue | 1970 | 1977 | — |
| Blackmayne | 1985 | — | — |
| Blackstar | 1995 | 1999 | UK heavy metal, Carcass side project |
| Blaenavon | October 2011 | — | — |
| Blag | 2003 | — | — |
| Blaggers ITA | 1988 | 1994 | — |
| Blancmange | 1979 | — | — |
| Blaze | March 1999 | January 2007 | — |
| Bleed From Within | 2005 | — | — |
| Blessed Ethel | 1992 | 1997 | — |
| Blind Faith | 1968 | October 1969 | English rock supergroup |
| Bliss | 1996 | 1999 | — |
| Blitz | 1980 | 2007 | UK punk band |
| Blitzenbolt | 25 January 2015 | — | — |
| Blitzkrieg | 1980 | — | UK heavy metal band |
| Blitzkrieg | 1979 | — | — |
| Blitzkrieg Bop | 1977 | — | — |
| BLKATS | 2023 | — | — |
| Bloc Party | August 1999 | — | English indie rock band |
| Blodwyn Pig | 1968 | 1970 | — |
| Blonde on Blonde | 1967 | 1971 | — |
| Blood & Roses | January 1982 | 1986 | — |
| Blood From the Soul | 1993 | — | — |
| Blood Money | 1984 | 1987 | — |
| Blood Oath | 2015 | — | — |
| Blood Red Shoes | September 2004 | — | English alternative rock duo |
| Bloodrust | 2010 | — | — |
| Bloodshot Dawn | 2003 | — | — |
| Blossom Toes | 1967 | 1969 | — |
| Blossoms | 2013 | — | English indie pop |
| Blown Out | 2014 | September 2019 | — |
| Blue Murder | 1988 | 1994 | heavy metal group |
| Blue October | 1995 | — | — |
| Blueboy | 1991 | 1998 | — |
| Blueskybehind | 1 January 2020 | — | — |
| Blur | 1990 | — | UK alternative rock band |
| Blurt | 1979 | — | — |
| Blyth Power | 1983 | — | — |
| BMX Bandits | 1985 | — | — |
| Bn deluxe | 1 August 2013 | — | — |
| Bob | 1986 | 1992 | — |
| Bodyrox | 2005 | — | — |
| Bolt Action Five | 2006 | 26 March 2008 | — |
| Bolt Thrower | 1986 | 2016 | English death metal |
| Bomb Factory | 2003 | — | — |
| Bomb the Bass | 1987 | — | — |
| Bombay Bicycle Club | 2005 | — | — |
| Bone Orchard | 1983 | 1986 | — |
| BONES UK | 2014 | — | — |
| Bong | 2005 | — | — |
| Boss Keloid | 2010 | — | — |
| Bossk | 2005 | — | — |
| Bourbonese Qualk | 1979 | October 2003 | — |
| Bow Wow Wow | 1980 | 1983 | English 1980s new wave band |
| Box of Frogs | 1983 | 1987 | — |
| Box The Sky | February 2012 | — | — |
| Boy Del Mundo | 2010 | — | — |
| Boy Kill Boy | 2004 | 12 October 2008 | — |
| Boyracer | 1990 | — | — |
| Brakes | 2003 | — | — |
| Bram Stoker | 1969 | — | — |
| Bram Tchaikovsky | 1978 | 1981 | — |
| Brand X | 1976 | — | UK jazz fusion band |
| Breathe | 1984 | 1991 | UK 80s pop group |
| Brian Auger & the Trinity | August 1963 | 1970 | — |
| Brian Auger’s Oblivion Express | 1970 | — | — |
| Bride and groom | 2025 | — | — |
| Bring Me the Horizon | March 2004 | — | — |
| Bring to Ruin | November 2010 | — | — |
| Brinsley Schwarz | 1969 | 18 March 1975 | the band |
| Broadside Outcasts | 1978 | — | — |
| Broccoli | 1989 | 1998 | — |
| Broken Boat | September 2009 | — | — |
| Broken Bones | 1983 | — | — |
| Broken English | 1987 | 1991 | — |
| Broken Glass | 1975 | 1977 | 70's blues rock band |
| Broken Links | 2008 | — | — |
| Broken Records | December 2006 | — | — |
| Bronco | 1969 | 1973 | — |
| Bronski Beat | 1983 | 1995 | — |
| Brontide | 2008 | 2017 | — |
| Bronz | 1976 | — | UK hard rock band |
| Bros | 1988 | 1991 | 1986–1992 UK band |
| Brotherhood of Man | 1969 | — | — |
| Brutal Attack | 1980 | — | UK, Political, Patriotic |
| Bròn | 2014 | — | — |
| Budgie | 1967 | 2010 | hard rock band from Cardiff, South Glamorgan, Wales |
| Buen Chico | 1998 | — | — |
| Bullet for My Valentine | 2003 | — | — |
| Burial | 1989 | — | — |
| Burn | 1991 | — | UK heavy rock band |
| Burning Skies | 2002 | 2011 | — |
| Bush | 1992 | — | English rock band |
| Busted | 2001 | — | English band |
| Butcher Boy | 1998 | — | — |
| Buzzbomb | 1 January 1994 | — | — |
| Buzzcocks | 1976 | — | English punk band |
| Byzantium | 1970 | 1975 | — |
| Bôa | 1993 | — | — |
| B‐Movie | 1978 | — | — |