| Subs | 1977 | 1978 | — |
| Subservience | 2010 | — | — |
| Subway Sect | 1976 | — | — |
| Sudden Sway | 1980 | — | — |
| Suede | 1989 | — | English rock band |
| Suffering | 1994 | 2019 | — |
| Sukie | March 2006 | October 2009 | — |
| Sumer | 2010 | — | — |
| Summer Camp | October 2009 | — | — |
| Sun Dial | 1990 | — | UK-based indie rock band |
| Sun, Moon & Talia | 9 September 2016 | — | — |
| Sundara Karma | 2011 | — | — |
| Sunny Jim Band | 1975 | — | — |
| Supergrass | 1993 | 2010 | — |
| Supertramp | 1969 | — | — |
| Sutherland Brothers & Quiver | 1973 | 1978 | — |
| Svalbard | 2011 | — | — |
| Swans Way | 1982 | 1984 | — |
| Sweet | 1968 | 1982 | UK glam rock band |
| Sweet Savage | 1979 | — | — |
| Sweet Tooth | 1989 | 1993 | — |
| Swell Maps | 1972 | 1980 | — |
| Swervedriver | 1989 | — | — |
| Swim Deep | 2011 | — | — |
| Swing Out Sister | 1985 | — | — |
| Switches | 2005 | 2008 | — |
| Sykelig Englen | 2008 | 2021 | — |
| Sylosis | 2000 | — | — |
| Syntax | 2002 | — | — |
| Synthetic | 2014 | — | — |
| S’Express | 1988 | 1994 | — |
| T. Rex | 1967 | 16 September 1977 | UK band |
| T2 | 1970 | — | — |
| Tableau Mort | 2017 | — | — |
| Tabloid Vivant | 31 March 2012 | — | — |
| Take That | 1990 | — | — |
| Talk Show | 2017 | — | — |
| Talk Talk | 1981 | 1991 | — |
| Tall Ships | 2009 | 2017 | — |
| Talulah Gosh | 1986 | 1988 | — |
| Tank | 1980 | — | — |
| Tansads | 1990 | 2001 | — |
| TARMAC | 2023 | — | — |
| Tear Gas | 1969 | August 1972 | — |
| Tears for Fears | 1981 | — | — |
| Teenage Fanclub | 1989 | — | — |
| Teeth of Lions Rule the Divine | 2000 | — | — |
| Teleman | 2012 | — | — |
| Television Personalities | 1977 | — | — |
| Tempest Saint | 2023 | — | — |
| Templars | 5 February 2016 | — | — |
| Temple Moon | 2018 | — | — |
| Temple Mortuary | 2007 | — | — |
| Temples | 2012 | — | — |
| Templeton Pek | 2005 | — | — |
| Ten Foot Wizard | 2009 | — | — |
| Ten Masked Men | 1996 | — | — |
| Ten Years After | 1967 | — | — |
| Tenpole Tudor | 1977 | — | — |
| Teratogenic | 1989 | — | — |
| Terminal Gods | 12 August 2011 | — | — |
| Terminus | 1993 | — | — |
| Terrorvision | 1987 | — | British rock band |
| TesseracT | May 2003 | — | British djent band |
| Test Icicles | 2004 | February 2006 | — |
| Test Transmission | February 2012 | — | — |
| Texas | 1986 | — | Scottish pop rock band |
| That Fucking Tank | 1992 | — | — |
| That Hideous Strength | 2003 | 2009 | — |
| That Petrol Emotion | 1985 | 1994 | — |
| The 012 | 1980 | 1984 | — |
| The 101ers | 1974 | 1976 | — |
| The 1975 | 2002 | — | — |
| The 4 of Us | 1988 | — | — |
| The 4‐Skins | 1979 | 1984 | — |
| The Abs | 1980 | 1991 | — |
| The Accused | 1978 | 1980 | — |
| The Acid | 2013 | — | — |
| The Action | 1963 | 1969 | — |
| The Actions | 1 January 2006 | — | — |
| The Adicts | 1975 | — | — |
| The Adult Net | 1985 | 1990 | — |
| The Adventures | 1984 | 1993 | — |
| The Adverts | 1976 | 1979 | — |
| The Afternoons | 1999 | — | — |
| The Alan Parsons Project | 1975 | 1987 | — |
| The Alarm | 1981 | — | — |
| The Albion Band | April 1971 | 2014 | — |
| The Aliens | 2005 | — | — |
| The All Seeing I | 1997 | 2002 | — |
| The Almighty | 1988 | — | UK rock band |
| The Alps | 2005 | — | — |
| The Animals | 1963 | 1983 | ’60s “British invasion” group |
| The Answer | 2000 | — | UK rock band |
| The Aquarian Age | 1968 | 1968 | — |
| The Arcana | 2016 | — | — |
| The Art Attacks | April 1977 | March 1978 | — |
| The Artwoods | 1963 | 1967 | — |
| The Associates | 1976 | — | Scottish rock band featuring Billy MacKenzie and Alan Rankine |
| The Astronauts | 1977 | — | — |