About ONA Consulting
Founded by Olivier Nardi, ONA Consulting combines executive finance leadership with strong expertise in consolidation, finance transformation, reporting, and performance management.
Drawing on experience gained within Big Four firms, advisory companies, international environments, and consolidation and reporting system implementation projects, ONA Consulting supports SMEs, international groups, shareholders, and management teams in complex or high-pressure situations requiring clarity, structure, and execution.
The approach combines strategic vision, operational pragmatism, and hands-on leadership to deliver reliable consolidation processes, improved visibility, stronger governance, and measurable results.
Olivier Nardi is an executive finance professional, entrepreneur, and CFO advisor with more than 25 years of experience across Big Four firms, advisory companies, international environments, startups, and consolidation software implementation projects.
Throughout his career, he has supported SMEs, startups, international groups, shareholders, and management teams in consolidation, financial reporting, finance transformation, governance, performance management, and CFO advisory services.
Combining strategic vision with a strong entrepreneurial mindset and hands-on leadership approach, Olivier works alongside organizations facing transformation, operational complexity, or performance pressure, helping them improve visibility, strengthen execution, and support decision-making in demanding environments.
