From Assurance to Strategic Finance: Redefining the Managerial Role of Internal Audit in Value-Driven Organizations

Internal audit has traditionally been positioned as an assurance-oriented function, primarily focused on control effectiveness, compliance, and risk mitigation. While this role remains essential, it no longer fully addresses the needs of contemporary organizations operating in increasingly complex, dynamic, and value-driven environments. As strategic decision-making becomes more dependent on integrated financial insight, the traditional boundaries between internal audit, finance, and management are being fundamentally redefined. This paper argues that internal audit possesses a largely underutilized strategic potential as a managerial finance function that contributes directly to organizational value creation. Moving beyond its conventional assurance mandate, internal audit is uniquely positioned at the intersection of financial data, risk evaluation, and operational reality. This position enables internal audit to generate interpretive insight that supports strategic finance decisions, rather than merely validating controls or historical outcomes. Drawing on management and finance theory, the study examines how value-driven organizations reshape expectations from internal audit and why assurance-centered models are increasingly insufficient for supporting executive and board-level decision-making. The paper reframes internal audit as a contributor to strategic finance by emphasizing its role in contextualizing risk, interpreting financial implications, and translating complex organizational dynamics into actionable managerial insight. Building on this perspective, the paper proposes an original conceptual framework that redefines the managerial role of internal audit within strategic finance systems. The framework integrates assurance foundations with interpretive judgment, strategic alignment, and governance relevance. By positioning internal audit as a strategic finance partner rather than a purely control-based function, the study contributes to the literature on internal auditing, financial governance, and management. Practically, it offers finance leaders and boards a structured approach to leveraging internal audit as a driver of decision quality and sustainable value creation in complex organizational settings.