| Hallmark Records | 1967 | Imprint | 1064 |
| Harlequin | — | Reissue Production | 908 |
| Harmless | 1997 | Reissue Production | 13237 |
| Harvest | 1969 | Original Production | 1305 |
| Hassle Records | 2005 | Original Production | 14592 |
| Hatched | 2013 | Original Production | — |
| Hear No Evil Recordings Ltd | — | Original Production | — |
| Heavenly Recordings | 1990 | Original Production | 34682 |
| Hed Kandi | 1999 | Original Production | 22603 |
| Heist or Hit Records | 2008 | Original Production | 27847 |
| Helios | — | Reissue Production | 9451 |
| Helium-3 | 2006 | Original Production | — |
| Helter Skelter | — | Imprint | — |
| HEP Records | 1974 | Production | — |
| Hi Oktane Records | — | Original Production | — |
| Hibernate | July 2009 | Original Production | — |
| Higher Ground | August 1996 | Original Production | 162 |
| Highpoint Lowlife | 2001 | Original Production | — |
| His Master’s Voice | 1909 | Original Production | 233 |
| History Always Favours the Winners | 20 February 2002 | Original Production | — |
| HMV Jazz | — | — | 542 |
| HNM Records | 2015 | Original Production | — |
| HNW Netlabel | 2014 | Production | — |
| Homes & Antiques | February 1993 | Imprint | — |
| Honest Jon’s Records | 2002 | Production | — |
| Hooj Choons | 1990 | Original Production | — |
| Horizons Music | — | Original Production | — |
| Hospital Records | 1 January 1996 | — | privately held company |
| Hotflush Recordings | 2003 | Original Production | — |
| Hudson Music Library | — | Original Production | 6824 |
| Human Condition Records | 1990 | — | — |
| Hut Recordings | 1990 | Original Production | 3098 |
| Hux | 1998 | Reissue Production | — |
| Hybrid Music | 2014 | Original Production | — |
| Hydrogen Dukebox | 14 February 1992 | Original Production | — |
| Hyperion | 1980 | Original Production | 7533 |