“…Professional services are generally considered to be difficult to standardize (Løwendahl, 1997;Maister, 1993) since knowledgeable individual local experts are central to what these firms offer. Nevertheless, an increasing number of professional service firms (PSFs) are internationalizing and, thereby, gaining scale advantages (Boussebaa, 2009;Brock, 2006;Brock & Powell, 2005;Faulconbridge, Beaverstock, Muzio, & Taylor, 2008;Greenwood & Empson, 2003;Hitt, Bierman, Uhlenbruck, & Shimizu, 2006;Segal-Horn & Dean, 2009, 2007. Our empirical investigations involve different business models in two mature IPSFs that serve both local and global markets.…”