The document critiques common pitfalls in establishing shared services models, including oversimplification and the influence of confirmation bias, advocating for a tailored approach based on organizational context and maturity. It introduces a survey identifying four shared services personas—Landlord, Servant, Consolidator, and Integrator—all with distinct characteristics and performance indicators. Key findings highlight that successful transitions to optimal shared services require executive sponsorship, careful consideration of business conditions, and an alignment of decision-making across the organization.