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Tax Specialist - Decathlon Belgium

  • Permanent contract
  • Full-time
  • At least 5 years of experience (Senior level)
  • Master degree
  • Tax Specialist

Posted on 05/08/2026

Job Description

Do you love numbers and believe in teamwork ? Join our adventure at Decathlon! The Finance team is not just there for accounts. It supports all our projects to make sports accessible to everyone. Our mission is to support you in guaranteeing reliable and transparent financial management. Your analyses help the entire company make the best decisions.

To strengthen our financial team in Brussels, we are looking for an Tax Specialist. Your mission? To be the guardian of tax and accounting compliance for Decathlon Belgium and Decathlon E-commerce while simplifying processes to support our omnichannel and sustainable growth.

Your Role in the Team

1. Tax Expertise & Compliance

  • Filings & Governance: Manage, optimize, and file all direct and indirect tax returns (VAT, Corporate Income Tax, local taxes, and corporate sheets).

  • Internal Business Partnering: Act as the go-to expert for tax questions across various departments (E-commerce, Logistics, Retail). You translate complex tax laws into practical, clear business solutions.

  • Audit & Monitoring: Lead active legislative monitoring to anticipate impacts on Decathlon. You pilot relationships with tax authorities and manage audits smoothly and confidently.

2. Accounting Mastery & Month-End Closing

  • Operations & Closings: Actively participate in monthly and yearly closings. You review accounts, justify balances, and ensure the production of reliable financial statements (BE-GAAP & IFRS frameworks).

  • Audit Transparency: Prepare closing files for external auditors and statutory auditors, ensuring strict compliance with legal and internal procedures.

  • Continuous Improvement: Participate in cross-functional projects to automate financial workflows and digitalize our accounting processes.

3. Project management for our E-commerce platform

  • DAC7

  • Deemed Supplier (when a cross-border sale occurs, Decathlon is deemed to be the supplier in the destination country)

  • C2C (Consumer-to-Consumer)

  • Verification of all existing invoice flows.

  • Primary point of contact for the marketplace on all tax-related questions and with other country tax specialists for projects taking place abroad.

Job Profile

We are looking for a curious and committed teammate, ready to grow with us. Your positive mindset and your technical expertise in taxation are what will make the difference. You can explain complex tax and accounting concepts to non-financial teammates with simplicity and ease.

You are organized and manage your priorities to meet important deadlines. With a strong team spirit, you collaborate and communicate easily with everyone. You enjoy continuous learning to stay up-to-date in accounting and on new tools.

You have good problem-solving abilities and are solution-oriented.

Moreover, 

  • you hold a degree in Accounting, Tax or Finance/Economics, with 5 to 10 years successful experience (Retail/E-commerce experience is a plus).

  • you have a deep knowledge of Belgian accounting principles (BE-GAAP) and local tax regulations (Direct & Indirect).

  • you master Excel/Google Sheets and comfort with ERP/reporting systems (knowledge of SAP is a major asset).

  • you speak French and/or Dutch. Fluency in English is a significant asset for international collaboration.

Your Pace

  • You will work full time from our headquarters in Evere. You know how to be flexible, as there are key moments, such as the closing period.

  • At Decathlon, we offer you much more than just a job: it's a team and progression project.

Ready to play?