Group Financial Controller

About Mistral

Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.

We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited.

The Role

As Group Financial Controller on the Accounting team, you will ensure the accuracy, completeness, and compliance of all accounting records and financial statements for Mistral AI. This purely accounting-focused role is critical for overseeing the review of accounting entries, collaborating with auditors, and enforcing rigorous financial controls. Reporting to the Group Accounting Director, you will work closely with the Internal Control department to mitigate risks and uphold the highest standards of financial reporting, directly supporting Mistral’s global operations.

What You Will Do

• Conduct detailed reviews of accounting entries (journal entries, accruals, provisions, intercompany transactions, etc.) to ensure compliance with IFRS and French GAAP.
• Act as a critical partner to the Accounting Ops Lead, ensuring robustness in the close process and R2R outputs.
• Implement and enforce financial control frameworks, including segregation of duties, approval workflows, and reconciliation processes.
• Serve as the primary liaison with external auditors (Big 4 firms) during statutory audits, ensuring timely and accurate delivery of requests.
• Oversee the preparation of audit-ready financial statements for all Group entities, including consolidated and statutory reporting.
• Collaborate with the Tax team to ensure compliance with tax and regulatory obligations (VAT, corporate tax, payroll taxes, etc.).
• Review and approve balance sheet reconciliations, P&L analyses, and flux analyses to guarantee financial data integrity.
• Support the design and monitoring of key controls to prevent errors, fraud, or misstatements in financial reporting.
• Review management reporting packages, including variance analyses and ad-hoc financial analyses for senior leadership.

What We're Looking For

• At least 10 years of experience, including Big 4 audit experience, with a strong background in statutory audits, financial due diligence, and accounting reviews.
• Tech start-up/scale-up experience, with hands-on expertise in high-growth environments (preferably in AI, software, or deep tech).
• Deep expertise in IFRS, with a focus on financial reporting, consolidation, and compliance; expertise in French GAAP is a plus.
• Strong proficiency in SAP S4 and advanced Excel for financial analysis and reporting.
• Rigorous attention to detail, analytical rigor, and a zero-tolerance policy for errors in financial reporting.
• Strong collaboration skills to work effectively with auditors, internal control teams, and senior leadership.
• Proactive and solution-oriented mindset to identify risks and implement corrective actions.
• Fluent in English; French is a plus.

What We Offer

We offer a comprehensive benefits package designed to support your well-being, growth, and work-life balance. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks.

For the most up-to-date details on benefits available in your location, please refer to our Benefits page.

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