Office Assistant/Personal Assistant

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.

As an Office Assistant / Personal Assistant, you will play a key role in supporting our partners and ensuring the smooth day-to-day operations of our Brussels office. You will be the central point of contact for administrative tasks, office coordination, and internal support, contributing to a collaborative and efficient work environment.

You will assist multiple partners with scheduling, travel arrangements, and meeting logistics, while also managing a wide range of office responsibilities—from handling incoming calls and coordinating events to processing invoices and maintaining supplies. You will serve as a trusted backup for colleagues and help ensure continuity across teams.

Key Responsibilities

• Personal assistance to several partners: calendar management, travel bookings, meeting coordination via Teams
• General office administration: document layout, scanning, archiving, invoice processing, and digital filing
• Manage incoming and outgoing post, courier services, and franking machine operations
• Maintain office supplies and equipment (printers, coffee machines, dishwasher, etc.)
• Coordinate internal and external events: room setup, catering, badge preparation
• Handle badge and key management, parking badge distribution, and contact with cleaning staff
• Upload and manage documents via Connective, E-corporate, and Onegate platforms
• Support onboarding/offboarding processes and internal communications
• Assist with document preparation for audits, including REP letters, engagement letters, and commissioner reports
• Serve as phone backup and lunch cover for reception
• Book restaurants, taxis, hotels, and transport for staff and clients

About you

• You bring at least 2/3 years of experience in office administration/personal assistance
• You are fluent in French and English; Dutch is a plus
• You are highly organized, detail-oriented, and proactive
• You have strong proficiency in Microsoft Outlook, Excel, Word, and PowerPoint
• You are a team player who thrives in a structured environment and can handle repetitive tasks with precision
• You communicate clearly and professionally, both internally and externally

Our offer

• A diverse and impactful role within a dynamic and growing organization
• A collaborative team culture that values initiative and reliability
• Opportunities for professional development through internal training and cross-functional projects
• A competitive salary and benefits package
• The chance to contribute meaningfully to a firm that values excellence, integrity, and innovation

If you are a motivated and dependable professional looking to grow your career in a supportive and international environment, we encourage you to apply. Take the next step with Forvis Mazars Belgium.

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.