Facade of JANSSENS Law Firm, Avenue Louise in Brussels
Avenue Louise · Brussels

The firm

An independent law firm, at the crossroads of Belgian law and international matters.

JΛNSSΞNS Law Firm is an independent law firm, established on Avenue Louise in Brussels.

Heir to a long-standing practice, the firm advises and represents individuals, families and businesses across the full range of their legal needs — from day-to-day advice to the most demanding transactions and litigation. In French, Dutch and English, with one simple conviction: your success, our expertise.

The Avenue Louise district in Brussels, where the firm is located
Our roots

At the heart of Brussels, capital of Europe

Located on Avenue Louise, minutes from the European institutions and major corporations, the firm enjoys a rare anchorage: that of the city where much of the law applying to economic players and international families is shaped — a position that lets us grasp regulatory developments early and prepare our clients for them.

Interior of JANSSENS Law Firm — confidential meeting space
Our setting

A place designed for counsel and confidentiality

Our spaces welcome every matter with the serenity and discretion it deserves — from confidential meetings to the most sensitive negotiations. A sober, exacting setting, in the image of the way we work: with rigour, attention and consistency.

What sets us apart

Our commitments

Independence

A human-scale firm, free in its choices, answerable only to its clients' interests.

Excellence

The rigour of a large firm, applied to every matter, whatever its size.

International dimension

A trilingual practice and a network of correspondents to follow your interests across borders.

Availability

A dedicated, accessible contact who knows your file and responds.