This article explores and extends the concept of hybridity to understand current changes in public
services organizations, notably as seen from an organizational studies perspective. The notion of
hybridity has become more important, given that the public sector increasingly blurs with other
sectors and more social actors. Previous reliance on the use of ideal-types in characterizing public
services reforms has masked expanding heterogeneity. We here move beyond the (i) conventional
focus on structural hybridity to consider (ii) institutional dynamics, (iii) social interactions, and (iv)
new identities and roles in public services. Based on these four dimensions of hybridity, we review
alternative theoretical frameworks. We suggest that bringing together work from the neighbouring
disciplines of public administration and organization studies may improve our understanding of
public services hybridity and outline a future research agenda.