Senior Tax Consultant (Global Mobility)

Forvis Mazars is a leader in audit, tax and advisory services, operating worldwide across 100+ countries and territories. Join our 40,000+ strong team to grow your career through global opportunities, diverse projects and continuous learning. Belong to a supportive environment where your unique perspective is valued and success comes from working together. Impact with your bold ideas and help drive us forward.

Are you ready to take the next step in your career as a tax professional? At Forvis Mazars, we are looking for an enthusiastic Senior Tax Consultant (Global Mobility) to strengthen our growing teams in Ghent and/or Brussels.

You’ll become part of our Global Mobility Services team — a diverse and close-knit group supporting HR, Finance, and leadership teams with high-impact advice on tax, social security, immigration, and legal matters for internationally mobile employees. This is your chance to work on meaningful and varied projects that truly influence global talent strategies.

What you’ll be doing:

In this role, you’ll take ownership of challenging and rewarding work, such as:

• Advising clients on international employment structures and applying national and international tax rules (including double tax treaties) in practice.
• Supporting organisations with tax, social security, and migration compliance.
• Managing key processes such as income tax returns, work/immigration permit applications, and payroll calculations.
• Guiding clients on equity-based compensation and helping implement these items smoothly in payroll.
• Advising on salary optimisation opportunities and the Belgian impatriate tax regime.
• Staying on top of evolving legislation in tax, social security, and migration.
• Managing client files in collaboration with junior and senior team members.
• Coaching and supporting junior colleagues as they grow in their roles.
• Working closely with amongst others our payroll and labour law teams — and with Forvis Mazars colleagues across the world.

What do you bring?

• Master’s or Bachelor’s degree in Law, (Applied) Economics, Business Management – Accountancy & Taxation, Business Administration – Taxation, or a Postgraduate degree in Tax.
• 3–4 years of experience in (Global Mobility) tax consulting or a similar professional services environment.
• Fluency in Dutch and/or French, and English (Dutch required).
• A proactive, client-oriented mindset with a hands-on approach.
• Strong communication skills and the motivation to translate complex problems into clear, pragmatic solutions.

What do we offer you?

At Forvis Mazars, we believe in developing strong professionals — and people. You can count on:

• A spot in a young, energetic, and diverse team that values collaboration and professional growth.
• A varied and impactful role with real responsibility and plenty of opportunities to develop further within our organisation.
• Access to ongoing training, tailored development paths, and support in obtaining your certified tax consultant title.
• A hybrid working model, offering flexibility between our brand-new Ghent and Brussels offices and home working.
• A competitive compensation package, including a company car or mobility budget, mobile phone, hospitalization insurance, and more.