Secure your accounts, gain transparency
Far from a simple regulatory obligation, auditing is a lever of reliability and trust for your stakeholders. Our teams adapt their approach to your challenges.
Audit missions rooted in your trust and governance issues
Because trust is built on certainty, we put our expertise at the service of the reliability of your financial and extra-financial information, so that managers, investors and stakeholders can rely on solid foundations.
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Organize your development by securing your financial, legal and operational foundations.
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Gain transparency and compliance in your reporting and decision-making.
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Be supported in raising funds, acquiring or transferring a business.
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Integrate ESG issues into your strategy, audits and internal practices.
An audit reinforced by multidisciplinary expertise
Our complementary services enrich the analysis and quality of your financial information.
The audit relies on in-depth knowledge of the company to optimize processes and improve the quality of financial information.
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Authorized by the H2A and accredited for companies with a mission, we guarantee the reliability and sincerity of ESG, voluntary or regulatory information.
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The evolution of a group is a complex operation, legally regulated, with accounting, fiscal, social and valuation impacts.
IT audit contributes to the governance of information systems by controlling risks, compliance and strategic alignment.
What an audit can do for you
Beyond the certification of accounts, auditing helps you to better manage, prevent risks and reassure your partners.
Clear, accurate and standards-compliant financial statements for a true picture of the health of your business.
Proactive identification of areas of vulnerability to limit errors, fraud, and disputes.
Partners reassured thanks to transparent and controlled financial information.
Continuous improvement of accounting and financial procedures for greater efficiency and responsiveness.
Tailor-made support to strengthen the trust of stakeholders
An approach focused on your priority risk areas, adapted to your organization, your information systems and your operational specificities.
We need partners who challenge us. We chose Nexia S&A as auditor and I am very satisfied with our collaboration. What I am looking for is the dimension of advice. And it can be summed up in one word: foresight. On the evolution of our activities and regulations, to anticipate the subjects and to deal with them in the best possible way, in the interest of the agency and our development.
Our useful resources
Our content helps you better understand your challenges, anticipate changes and discover what's behind the scenes at Nexia.
Our expertise at the service of your ambitions
Your business is evolving, transforming, developing. At every stage, we help you address key challenges with pragmatism and commitment.
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Our Audit Experts
Let's discuss your challenges in concrete terms
Whether it is to structure your growth, make your data reliable or to succeed in a strategic operation, one of our partners answers you personally and without commitment.
Do you have questions?
Here is what our customers ask us most often before starting a mission.
We work mainly with ETIs, growing SMEs, family groups or subsidiaries of international players. Our teams are used to complex and multi-structured environments.
We have had 5 offices located in Île-de-France and one in Lyon since the beginning of 2026, but our membership in the international Nexia network allows us to support you in more than 120 countries.
Nexia is a global network of independent firms operating in more than 120 countries. We share common quality standards, which allows us to offer global support while maintaining a close relationship.
An associate contacts you again to understand your challenges, without commitment. We analyze your needs in order to offer personalized support.
Audit, accounting expertise, financial and operational advice, taxation and company law. Our services are designed to cover all the challenges of financial departments.
Yes, we work on recurring missions as well as on targeted projects: strategic operations, reorganization, flash diagnosis...