Office Assistant – Brussels

About the role

The Brussels office of GA‑Alliance is seeking an Office Assistant to provide day‑to‑day administrative support. You will work closely with secretaries and the Office Manager in a multicultural, high‑performance environment, ensuring smooth operation of the office and facilitating meetings for a global legal and tax advisory firm.

Key responsibilities

• Organise and prepare meetings, including booking rooms, arranging catering, and setting up video/audio equipment.
• Manage correspondence such as letters and emails, and handle courier and taxi bookings.
• Maintain office supplies, inventories, and equipment, including ordering, archiving and keeping contact lists up to date.
• Perform document‑related tasks: printing, scanning, binding, and using document‑management software.
• Support reception duties, welcoming providers and clients, and ensuring a professional front‑office experience.

Required profile

• Highly organised, proactive and team‑oriented.
• Excellent communication skills in English.
• Ability to work in a fast‑paced, multicultural setting.

Required skills

• Microsoft Word
• Microsoft PowerPoint
• Microsoft Excel
• Adobe Acrobat / PDF handling