Son HK was one of 87 clubs from Norway that had teams playing during Partille Cup 2018. They participated with 5 teams in Boys 13, Girls 13, Girls 15, Girls 16 and Girls 18 respectively. The team in Girls 18 made it to the the Semi final in A-Play-off, but lost it against Skanderborg HB 1 by 16-20.
In addition to this, Son HK have participated in Partille Cup before. During Partille Cup 2017, Son had 5 teams playing in Boys 12, Girls 11, Girls 13, Girls 14 and Girls 16 respectively. The team in Girls 16 made it to the the 1/8 Final in A-Play-off, but lost it against Skövde HF by 12-21.