Financial Controller

Financial Controller

Full-Time 80000 - 100000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Ensure accuracy and compliance of financial records while collaborating with auditors.
  • Company: Join Mistral AI, a pioneering company transforming the future of AI.
  • Benefits: Competitive salary, health insurance, gym discounts, and generous parental leave.
  • Other info: Work in a collaborative environment with excellent career growth opportunities.
  • Why this job: Be part of a dynamic team driving innovation in AI and finance.
  • Qualifications: 12+ years experience in finance, preferably in tech start-ups or scale-ups.

The predicted salary is between 80000 - 100000 £ per year.

About Mistral

At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise as well as personal needs. Our offerings include Le Chat, AI Studio, Mistral Code and Mistral Compute — a suite that brings frontier intelligence to end-users. 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 France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited. Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact.

Role Summary

As Mistral AI’s Financial Controller, you will ensure the accuracy, completeness, and compliance of all accounting records and financial statements. This role is purely accounting-focused, with a mission to oversee the review of accounting entries, collaborate with auditors, and enforce rigorous financial controls. You will work closely with the Internal Control department to mitigate risks and uphold the highest standards of financial reporting. You’ll report to the Group accounting director.

Location: Paris, or London

What you will do

  • Conduct detailed reviews of accounting entries (journal entries, accruals, provisions, intercompany transactions, etc.) to ensure accuracy, completeness, and compliance with IFRS and French GAAP.
  • 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 audit requests, explanations, and supporting documentation.
  • Oversee the preparation of audit‑ready financial statements for all Group entities, including consolidated and statutory reporting.
  • Collaborate with our 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 the integrity of financial data.
  • Support the design and monitoring of key controls to prevent errors, fraud, or misstatements in financial reporting.
  • Review management reporting packages, including variance analyses, flux explanations, and ad-hoc financial analyses for senior leadership.
  • Ensure financial data is accurate, consistent, and transparent to support decision‑making.

Who you are

  • 12+ years of experience, including Big4 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 FR GAAP is a plus.
  • Strong proficiency in SAP S4 and advanced Excel for financial analysis and reporting.
  • Experience in reviewing and approving accounting entries, reconciliations, and financial statements.
  • Rigorous attention to detail, analytical rigor, and a zero-tolerance policy for errors in financial reporting.
  • Strong collaboration skills, with the ability to work effectively with auditors, internal control teams, and senior leadership.
  • Proactive and solution‑oriented, with the ability to identify risks and implement corrective actions.
  • Fluent in English. French is a plus.

What we offer

  • Competitive cash salary and equity.
  • Daily lunch vouchers: Swile meal vouchers with 10,83€ per worked day, incl 60% offered by company.
  • Sport: Enjoy discounted access to gyms and fitness studios through our Wellpass partnership.
  • Transportation: Monthly contribution to a mobility pass via Betterway.
  • Health: Full health insurance for you and your family.
  • Parental: Generous parental leave policy.
  • Visa sponsorship.
  • Coaching: We offer BetterUp coaching on a voluntary basis.
  • Competitive cash salary and equity (UK).
  • Health Insurance (UK).
  • Transportation: Reimburse office parking charges, or 90GBP/month for public transport.
  • Sport: 90GBP/month allowance for gym membership.
  • Food: £200 monthly allowance (solution might evolve as we grow bigger).
  • Pension plan: SmartPension (percentages are 5% Employee & 3% Employer).
  • Parental: Generous parental leave policy.
  • Visa sponsorship.

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Financial Controller employer: BlackCube Labs

At Mistral AI, we pride ourselves on being an exceptional employer, offering a vibrant work culture that fosters creativity and collaboration in the heart of Paris or London. Our commitment to employee growth is evident through competitive salaries, comprehensive health benefits, and unique perks like coaching and gym memberships, all designed to support your well-being and professional development. Join us in shaping the future of AI while enjoying a dynamic environment that values innovation and teamwork.

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Contact Details:

BlackCube Labs Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Financial Controller

Tip Number 1

Network like a pro! Reach out to your connections in the finance and AI sectors. Attend industry events or webinars where you can meet potential employers and showcase your expertise. Remember, it’s all about who you know!

Tip Number 2

Prepare for interviews by researching Mistral AI and its culture. Understand their products and how they integrate AI into daily life. Tailor your answers to reflect how your experience aligns with their mission and values.

Tip Number 3

Showcase your skills through practical examples. Be ready to discuss specific instances where you implemented financial controls or collaborated with auditors. This will demonstrate your hands-on experience and problem-solving abilities.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, it shows you’re genuinely interested in being part of our dynamic team at Mistral AI.

We think you need these skills to ace Financial Controller

Accounting Expertise
IFRS Compliance
French GAAP Knowledge
Financial Control Frameworks
Audit Coordination
SAP S4 Proficiency
Advanced Excel Skills

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the Financial Controller role. Highlight your experience with IFRS, financial reporting, and any Big 4 audit experience. We want to see how your background aligns with what we’re looking for!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re passionate about AI and how your skills can contribute to our mission at Mistral. Keep it concise but impactful – we love a good story!

Showcase Your Attention to Detail:As a Financial Controller, attention to detail is key. In your application, make sure to demonstrate this by avoiding typos and formatting errors. A polished application shows us you care about accuracy!

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, you’ll find all the info you need about our culture and values there!

How to prepare for a job interview at BlackCube Labs

Know Your Numbers

As a Financial Controller, you'll need to demonstrate your expertise in financial reporting and compliance. Brush up on IFRS and French GAAP regulations, and be ready to discuss how you've applied these in previous roles. Prepare specific examples of your experience with journal entries, reconciliations, and audits.

Showcase Your Tech Savvy

Mistral AI values tech proficiency, especially in tools like SAP S4 and advanced Excel. Be prepared to talk about how you've used these tools in high-growth environments. Maybe even bring along a sample analysis or report you've created to showcase your skills!

Collaboration is Key

This role involves working closely with auditors and internal control teams. Highlight your collaboration skills by sharing examples of successful teamwork in past projects. Discuss how you’ve navigated challenges and ensured smooth communication between departments.

Be Proactive and Solution-Oriented

Mistral AI is looking for someone who can identify risks and implement corrective actions. Think of instances where you've proactively addressed issues in financial reporting or compliance. Show them that you’re not just about identifying problems but also about finding effective solutions.