“…The shift that internal audit functions (IAFs) have experienced from assurance to consulting activities in many firms (Allegrini, D'Onza, Melville, Sarens, & Selim, 2011;Soh & Martinov-Bennie, 2015) has increased the importance of internal audit in firms' organizations (Speklé, van Elten, & Kruis, 2007), as more consulting-oriented IAFs are better able to enhance corporate governance through their relationships with the audit committee, the management, and the external auditors (Gramling, Maletta, Schneider, & Church, 2004;Hazem & Roberts, 2018). To respond to the increasing importance of IAFs in firms' corporate governance, firms can choose to develop the required internal audit skills and abilities inside an organization, or to adopt the strategy of co-sourcing internal audit activities (Selim, Woodward, & Allegrini, 2009).…”