In addition to the two Nordwest teams, 76 other teams from 13 different countries do play in Boys 18. They are divided into 12 different groups, whereof HSG Nordwest 1 can be found in Group 1 together with ATHLOS, Tyresö Handboll, SG Wehrheim-Obernhain, Skanderborg HB 1 and HUBO Handbal. HSG Nordwest also participated in Boys 18 during Partille Cup 2023. They reached the 1/16 Final in B18 A-Play-off, but lost it against Skanderborg HB 1 with 10-23.