| Parlophone | 1896 | 299 |
| Peacefrog Records | 1991 | — |
| Penny Farthing | — | 1431 |
| Pepper Records | — | 7925 |
| Perfecto Records | 1989 | 6751 |
| Phantasy Sound | 2007 | — |
| Planet Mu | 1995 | — |
| Plastique Recordings | 1997 | — |
| Platipus | — | 22717 |
| Pointblank Records | 1990 | 3098 |
| Positiva | 1993 | 542 |
| President Records | 6 June 1955 | 959 |
| Prime Audio | 2009 | — |
| Production House | 1987 | — |
| PRT Records | September 1980 | — |
| Psi | 2001 | — |
| Punch Drunk | 2006 | — |
| Purple Records | 1971 | 2546 |
| PWL International | — | 8243 |
| PWL Records | 1986 | 8243 |
| Pye Records | — | 315 |
| Q Records | — | — |
| Quarantine | 2001 | — |
| Queenie Records | 15 November 2022 | — |
| Quiet details | 2022 | — |
| Quiet Records | — | — |
| Quiet Records | — | — |
| Quosh Records | 1994 | — |
| Racket | — | — |
| Radar Records | 1978 | 5454 |
| RAK | 1969 | 1750 |
| RAM Records | 1992 | — |
| Raucous Records | 1987 | — |
| React | 1990 | — |
| Red Flame Records | — | — |
| Red Girl Records | April 2005 | 14491 |
| Red Rhino Europe | 1980 | 7800 |
| Red Telephone Box | 27 May 2008 | — |
| Rekids | 2006 | 19906 |
| Relentless Records | 1999 | — |
| Renegade Hardware | 1995 | — |
| Renk Records | 1990 | — |
| Rephlex | 1991 | — |
| ReR Megacorp | — | 2677 |
| Resonus Classics | 2011 | — |
| Rhythm King | 1986 | 7962 |
| Rinse Recordings | — | 29828 |
| Riot Season | 2003 | — |
| Rise Above Records | 1988 | — |
| Riva | 1975 | — |
| Rocket Girl | 1997 | 25084 |
| Rocket Recordings | 1998 | — |
| Rolling Stones Records | — | 2251 |
| Ron Johnson | 1983 | — |
| Rouge | — | 6822 |
| Rough Trade | 2000 | 11945 |
| Rough Trade | 1978 | 5661 |
| Rural Colours | 2010 | — |
| Safari Records | 1977 | — |
| Secret Records | 1980 | 7935 |
| Shogun Audio | — | 23548 |
| Shut Up and Dance Records | 1989 | — |
| Siege of Amida Records | 2006 | — |
| Signum Classics | — | 15723 |
| Silvertone Records | 1988 | 7381 |
| Siren Records | — | — |
| Situation Two | 1981 | — |
| Skam | 1991 | — |
| Skint Records | — | 1406 |
| Slam Productions | 1989 | 5526 |
| Slip ’n’ Slide | 1991 | 1211 |
| Smash Hits | — | — |
| Soli Deo Gloria | 2005 | 13772 |
| Some Bizzare | — | 5661 |
| Somm Recordings | 1995 | — |
| Sonic Cathedral | 2006 | 73908 |
| Sony Soho Square | 1991 | 6140 |
| Soul:r | 21 November 2001 | — |
| Source UK | — | — |
| Southern Records | — | — |
| Spearhead Records | January 2005 | — |
| Spinefarm Records U.K. | October 2007 | — |
| Stamina Records | — | — |
| Stiff Records | 1976 | 4764 |
| Strictly Underground Records | 1988 | — |
| Subtitles Music | 2000 | — |
| Sunday Best | 1997 | — |
| Superior Quality Recordings | 1995 | — |
| Swan Song | 10 May 1974 | — |
| Syco Music | 2002 | 1413 |
| Symmetry Recordings | 2006 | — |
| System Music | 1 January 2013 | — |
| Take Me to the Hospital | 2008 | 7180 |
| Talkin’ Loud | 1990 | 6521 |
| Taste Media | 1996 | — |
| Tech Itch Recordings | 1993 | — |
| Technique Recordings | 1999 | — |
| Tempa | 2000 | — |
| Text Records | 2001 | — |
| The Death of Rave | 2012 | — |