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Lex Mundi Expands European Coverage with the Addition of Monaco's 99 Avocats Associés

Welcoming 99 Avocats Associés as the exclusive Lex Mundi member firm for the Principality of Monaco

16th June 2026
99 Avocats Associes New Member Landscape

In a significant step to strengthen its presence in Europe, Lex Mundi is pleased to announce the addition of 99 Avocats Associés as its exclusive member firm for the Principality of Monaco. This strategic appointment expands the network’s reach into a key financial and business center and marks another milestone in Lex Mundi’s ongoing growth across vital jurisdictions.

Founded in 1999 by Thomas Giaccardi, 99 Avocats Associés is the largest law firm in Monaco and the Riviera, with more than 55 employees and seven partners. The firm provides full-service legal advisory, mediation, arbitration, and litigation services to companies, financial institutions, and international private clients. Its key strengths include banking and finance, corporate and commercial, real estate, employment, and dispute resolution across criminal, civil, and administrative law. The firm is regularly recognized by leading legal directories, including Chambers and Partners, and advises clients in French, English, and Italian.

Thomas Giaccardi, Founder and Managing Partner of 99 Avocats Associés, commented: "Joining Lex Mundi is a natural step in our firm's international development. Monaco is a unique jurisdiction at the crossroads of European and international business, and being part of the world's foremost network of independent law firms will allow us to better serve our clients on complex cross-border matters. We look forward to collaborating with fellow member firms across the globe."

"We are delighted to welcome 99 Avocats Associés to the Lex Mundi network," said Helena Samaha, President and CEO of Lex Mundi. "As Monaco's largest law firm, they bring exceptional depth of expertise and a truly international perspective that will greatly benefit our global clients. Their strong reputation in both advisory and litigation, combined with their focus on high-value cross-border work, makes them an ideal partner for our network."

Through its membership in Lex Mundi, 99 Avocats Associés connects its clients to a global network of more than 23,000 lawyers in over 125 countries. This integration facilitates seamless legal support for clients engaged in multi-jurisdictional matters, and underscores Lex Mundi's continued dedication to connecting clients with premier firms that are deeply rooted in their local legal and business environments.