Group Financial Controller

About the role

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. Privacy Policy Your privacy matters to us. You can learn more about how we handle your personal data in our Applicant Privacy Policy. Paris

Key responsibilities

• check_circleCollaborate with the team on day-to-day project tasks
• check_circleLearn tools and processes used by the organization
• check_circleDocument work and participate in team meetings
• check_circleSupport quality checks and continuous improvement

Requirements

• check_circleConduct detailed reviews of accounting entries (journal entries, accruals, provisions, intercompany transactions, etc.) to ensure compliance with IFRS and French GAAP.
• check_circleAct as a critical partner to the Accounting Ops Lead, ensuring robustness in the close process and R2R outputs.
• check_circleImplement and enforce financial control frameworks, including segregation of duties, approval workflows, and reconciliation processes.
• check_circleServe as the primary liaison with external auditors (Big 4 firms) during statutory audits, ensuring timely and accurate delivery of requests.
• check_circleOversee the preparation of audit-ready financial statements for all Group entities, including consolidated and statutory reporting.
• check_circleCollaborate with the Tax team to ensure compliance with tax and regulatory obligations (VAT, corporate tax, payroll taxes, etc.).
• check_circleReview and approve balance sheet reconciliations, P&L analyses, and flux analyses to guarantee financial data integrity.
• check_circleSupport the design and monitoring of key controls to prevent errors, fraud, or misstatements in financial reporting.
• check_circleReview management reporting packages, including variance analyses and ad-hoc financial analyses for senior leadership.
• check_circleAt least 10 years of experience, including Big 4 audit experience, with a strong background in statutory audits, financial due diligence, and accounting reviews.
• check_circleTech start-up/scale-up experience, with hands-on expertise in high-growth environments (preferably in AI, software, or deep tech).
• check_circleDeep expertise in IFRS, with a focus on financial reporting, consolidation, and compliance; expertise in French GAAP is a plus.

Skills & keywords

Benefits & perks

• check_circleMentorship
• check_circleCertificate of completion
• check_circleFlexible work arrangement where applicable