Welsh Premier Division
Rank Club Titles Years
1 Neath 7 1991 , 1996 , 2005 , 2006 , 2007 , 2008 , 2010
2 Pontypridd 5 1997 , 2012 , 2013 , 2014 , 2015
3= Llanelli 4 1993 , 1999 , 2002 , 2011
3= Swansea 4 1992 , 1994 , 1998 , 2001
5= Cardiff 3 1995 , 2000 , 2009
5= Merthyr 3 2017 , 2018 , 2019
7= Bridgend 1 2003
7= Newport 1 2004
7= Ebbw Vale 1 2016
Past Premier Division winners -- Premier Division wins by club
The Welsh Premier Division () known for sponsorship reasons as the Indigo Group Premiership (Uwch Gynghrair grŵp indigo) is a rugby union league in Wales first implemented by the Welsh Rugby Union (WRU) for the 1990-91 season.