All champions since 1987/88
By season
Northampton SaintsNorthampton
SaracensSaracens
Leicester TigersLeicester
HarlequinsHarlequins
Exeter ChiefsExeter
SaracensSaracens
SaracensSaracens
Exeter ChiefsExeter
SaracensSaracens
SaracensSaracens
Northampton SaintsNorthampton
2012/13
Leicester TigersLeicester
2011/12
HarlequinsHarlequins
2010/11
SaracensSaracens
2009/10
Leicester TigersLeicester
2008/09
Leicester TigersLeicester
2007/08
Leicester TigersLeicester
2006/07
Leicester TigersLeicester
2005/06
Sale SharksSale
2004/05
London WaspsWasps
2003/04
London WaspsWasps
2002/03
London WaspsWasps
2001/02
Leicester TigersLeicester
2000/01
Leicester TigersLeicester
1999/00
Leicester TigersLeicester
1998/99
Leicester TigersLeicester
1997/98
Newcastle FalconsNewcastle
1996/97
London WaspsWasps
1995/96
Bath RugbyBath
1994/95
Leicester TigersLeicester
1993/94
Bath RugbyBath
1992/93
Bath RugbyBath
1991/92
Bath RugbyBath
1990/91
Bath RugbyBath
1989/90
London WaspsWasps
1988/89
Bath RugbyBath
1987/88
Leicester TigersLeicester
Most successful
12
Leicester TigersLeicester
2021/22 2012/13 2009/10 2008/09 2007/08 2006/07 2001/02 2000/01 1999/00 1998/99 1994/95 1987/88
2021/22 2012/13 2009/10 2008/09 2007/08 2006/07 2001/02 2000/01 1999/00 1998/99 1994/95 1987/88
6
SaracensSaracens
2022/23 2018/19 2017/18 2015/16 2014/15 2010/11
2022/23 2018/19 2017/18 2015/16 2014/15 2010/11
6
Bath RugbyBath
1995/96 1993/94 1992/93 1991/92 1990/91 1988/89
1995/96 1993/94 1992/93 1991/92 1990/91 1988/89
5
London WaspsWasps
2004/05 2003/04 2002/03 1996/97 1989/90
2004/05 2003/04 2002/03 1996/97 1989/90
2
Northampton SaintsNorthampton
2023/24 2013/14
2023/24 2013/14
2
Exeter ChiefsExeter
2019/20 2016/17
2019/20 2016/17
2
HarlequinsHarlequins
2020/21 2011/12
2020/21 2011/12
1
Sale SharksSale
2005/06
2005/06
1
Newcastle FalconsNewcastle
1997/98
1997/98