Despite the potential influence of matching decisions on the course of a placement, matching remains an understudied topic in child welfare research. The matching is a complex decision-making process in which a child welfare professional tries to predict which placement will result in the best outcome. A good fit between the foster child and the placement setting has the potential to mitigate the impact of an out-of-home placement. We conducted semi-structured interviews with 20 matching professionals in the Netherlands. Each interview lasted approximately 90 minutes and focused on the steps that they used in their matching process, the factors that they considered and also the differences that they saw between themselves and colleagues. Ex...