Legal Assistant - International Law firm

This position is primarily focused on legal administration and billing support (approximately 90% of the role), with a smaller reception component (approximately 10%).

Legal & Administrative Support

• Manage complex billing processes and prepare client invoices with a high level of accuracy.
• Follow up on billing queries and liaise with lawyers and finance teams when needed.
• Prepare, format, proofread, and finalize legal documents, presentations, and correspondence.
• Manage agendas, schedule meetings, and coordinate appointments.
• Organize travel arrangements and business itineraries.
• Handle document management and maintain electronic filing systems.
• Open new client matters and support conflict check processes.
• Monitor deadlines and assist lawyers with day-to-day administrative requirements.
• Provide support to a Partner, two Counsel, and several Associates within the Antitrust practice.

Reception Support (10%)

• Welcome visitors and clients in a professional and courteous manner.
• Answer and redirect incoming calls when required.
• Support the office with occasional front-desk coverage alongside the wider administrative team.

• Previous experience as a Legal Assistant, Practice Assistant, Legal Secretary, or similar support position within a law firm is essential.
• Proven experience managing legal billing and invoicing processes.
• Strong administrative and organizational skills with exceptional attention to detail.
• Near-native level of English is mandatory.
• Good working knowledge of either French or Dutch (minimum B1 level).
• Comfortable supporting senior legal professionals in a demanding international environment.
• Proactive, resourceful, and capable of anticipating needs before they arise.
• Professional, discreet, and confident in managing confidential information.
• Team-oriented mindset with the ability to work closely in partnership with another Legal Assistant.

Candidates must already be based in Belgium and have the right to work in Belgium. Visa sponsorship cannot be provided for this position.

In return, our client offers the opportunity to join one of the world's leading international law firms and build a long-term career within a highly professional and collaborative environment.

The package includes:

• Highly competitive salary.
• Comprehensive hospitalization and group insurance.
• Additional insurance coverage.
• Gym membership.
• Meal vouchers (€10/day).
• Generous annual leave package.
• Public transport reimbursement.
• Long-term stability and career growth opportunities within a growing Brussels office.

If you are an experienced Legal Assistant with strong billing expertise and are looking to join a world-class law firm, we look forward to hearing from you