Accounting Manager (Brussels)

Forvis Mazars in Belgium; Brussel; On-site; EUR 110,000 - 170,000; Full time

Benefits offered by this job

Flexible working

Modern Brussels workplace

Bonus opportunities

Company car or mobility budget

Comprehensive benefits

Job summary

Forvis Mazars Group SC in Brussels is seeking an Accounting & Tax Manager to own a portfolio of national and international clients. You will lead a team of accountants, deliver accounting and tax services, and act as a strategic partner guiding clients through complex financial challenges.

You will drive growth, shape process improvements, and leverage technology to enhance performance while mentoring talent and building lasting client relationships.

Qualifications

• 6–10 years of accounting and tax advisory experience.
• Proven leadership and team development skills.
• Strong accounting, tax, and financial reporting expertise.
• Fluent in Dutch and/or French and English.

Responsibilities

• Lead client engagements: oversee accounting, tax, and compliance projects from planning to completion.
• Own key client relationships: act as main contact for strategic clients.
• Drive strategic advisory services: identify opportunities and manage risks.
• Manage and develop talent: coach and mentor accounting team.
• Ensure technical excellence: review complex files and deliverables.
• Contribute to business growth: identify opportunities within client relationships.
• Shape operational excellence: improve processes and leverage technology.

Skills

Technical accounting

Tax advisory

Financial reporting

Relationship management

Stakeholder engagement

Commercial mindset

Multilingual communication

Education

ITAA certification

Job description

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.

In this leadership role, you will oversee complex accounting and tax engagements, act as a trusted advisor to key clients, and drive the quality and growth of our accounting practice. You will combine technical excellence with strong people leadership, guiding a team of accountants while helping clients make informed financial and strategic decisions.

Your Role: Leadership, Client Ownership and Strategic Impact

As an Accounting & Tax Manager, you will take ownership of a client portfolio, lead a team of professionals, and ensure the successful delivery of accounting and tax services. You will serve as a strategic partner to clients, helping them navigate increasingly complex financial, tax, and business challenges while contributing to the continued growth of our practice.

What will you do?

• Lead Client Engagements: Oversee complex accounting, tax, and compliance projects from planning through completion, ensuring exceptional service quality.
• Own Key Client Relationships: Act as the primary point of contact for strategic clients, building long-term partnerships and providing trusted business advice.
• Drive Strategic Advisory Services: Go beyond compliance by helping clients identify opportunities, manage risks, and support business growth.
• Manage and Develop Talent: Coach, mentor, and develop a team of accountants, supporting both their technical and professional growth.
• Ensure Technical Excellence: Review complex accounting files, tax returns, financial statements, and advisory deliverables while maintaining the highest quality standards.
• Contribute to Business Growth: Identify opportunities within existing client relationships, support business development initiatives, and strengthen our market presence.
• Shape Operational Excellence: Improve processes, implement best practices, and leverage technology to enhance efficiency and client experience.

About You

• Minimum 6-10 years of experience in accounting and tax advisory, including managing complex client portfolios.
• Proven experience leading, coaching, and developing professional teams.
• Strong technical expertise in accounting, taxation, and financial reporting.
• Excellent relationship management and stakeholder engagement skills.
• Commercial mindset with the ability to identify advisory and growth opportunities.
• Strong communication skills in Dutch and/or French, and English.
• ITAA certification is highly valued.
• A proactive leader who combines strategic thinking with a hands-on approach.

What We Offer

• A senior leadership role with significant autonomy and decision-making authority.
• The opportunity to manage a diverse portfolio of ambitious national and international clients.
• A clear pathway toward Senior Manager, Director, or Partner-level responsibilities.
• Continuous professional development and leadership training.
• A collaborative culture where expertise, entrepreneurship, and innovation are encouraged.
• Flexible working arrangements and a modern workplace in Brussels.
• A highly competitive compensation package, including company car or mobility budget, bonus opportunities, and comprehensive benefits.
• The opportunity to make a lasting impact on clients, colleagues, and the future growth of the firm.

Ready to Lead?

Join us as an Accounting & Tax Manager and play a key role in shaping the success of our clients, developing future talent, and driving the growth of our organization. Here, your expertise is trusted, your leadership is valued, and your impact is visible every day.

Company Description

Forvis Mazars Group SC is an independent member of Forvis Mazars Global, a leading global professional services network. Operating as an internationally integrated partnership in over 100 countries and territories, Forvis Mazars Group specialises in audit, tax and advisory services.