The recent transformation of child welfare in the Netherlands has improved opportunities for interprofessional working. We compared two models of teamworking within newly established interprofessional teams in the cities of Amsterdam and Utrecht, conducting a secondary analysis of semi-structured interviews collected through three broader research projects. Respondents include seventeen interprofessional team members (six from Utrecht, eleven from Amsterdam), representing a variety of teams across city, as well as two policymakers from Utrecht and one from Amsterdam. Team members were approached using convenience sampling, policymakers were purposively recruited. In different rounds of open and focused coding, we found that differences in team organization between the two cities have led to differences in the quality of interprofessional teamworking. Teamworking is best developed in Utrecht partly because team members are recruited and employed by a single organization. This has enabled a more careful ...