Establishing Internal Audit in the French Ministry of Defence

Establishing an internal audit function within a defence ministry presents unique challenges that go well beyond those encountered in civilian government agencies. The French Ministry of Defence's journey to create a robust internal audit capability illustrates both the obstacles and the opportunities that arise when audit principles are introduced into organisations with deeply entrenched hierarchical cultures, classified information environments, and operational tempos that can make traditional audit approaches seem impractical or even counterproductive to the mission.

The decision to establish internal audit within the French Ministry of Defence was driven by a combination of external reform pressure and internal recognition that existing oversight mechanisms were insufficient. While the ministry had long-established inspection and control functions, these operated on a compliance-oriented model that focused on procedural adherence rather than the broader assessment of risk management, governance, and operational effectiveness that characterises modern internal auditing. Transitioning from inspection to audit required not just organisational restructuring but a fundamental shift in institutional culture.

Key challenges included gaining access to classified programmes and operations, recruiting auditors with the necessary security clearances and technical expertise, and building credibility with military leadership accustomed to command-based accountability rather than audit-based assurance. The ministry addressed these challenges through a phased implementation approach, beginning with lower-sensitivity administrative and financial processes before gradually expanding the audit function's scope to encompass operational and strategic areas.

The French experience offers valuable lessons for other defence organisations considering the establishment or strengthening of internal audit functions. Building senior leadership support, investing in auditor training and professional development, and demonstrating early value through practical, relevant audit findings were all critical success factors. The OECD Auditors Alliance has facilitated the sharing of these lessons across member countries, several of which are undertaking similar reform journeys.