Research on Professional Service Firms (PSFs) has tended to treat them as homogeneous and to assume there are similarities in how they are organized and managed. This assumption has been challenged recently as scholars have drawn attention to organizational differences stemming from sources of...

In this article, we introduce the theme of the special issue, reviewing and analyzing 25 years of the professional partnership, or P2, stream of research. We structure our analysis around the three dimensions of control that structured the original P2 paper strategic, operating, and financial...