YOUR GROWTH PARTNER
Business law firm in Paris, Mexico City and Hong Kong
MOSAIK Global Law FirmParis Mexico City Hong Kong
The firm
Mosaik, your growth partner.

Founded in 2022, MOSAIK is a business law firm that brings together professionals from five continents who speak eight languages. This unique diversity enables us to understand local cultures and turn legal barriers into drivers of growth. We serve organizations of all sizes, from small businesses to publicly traded companies, as well as leading institutional players.
The firm covers all your advisory and litigation needs. To ensure a seamless process and maintain a consistent record of your case, you will be assigned a dedicated point of contact within the firm. This single point of contact will coordinate all your business law needs (mergers and acquisitions, tax, labor law, real estate, intellectual property, digital law, etc.), ensuring optimal management of your cases.
Finally, thanks to our own offices and our network of finance, management and accounting professionals, we support you at every stage of your international development. Our experience of cross-border transactions allows us to identify the issues specific to each country and to offer you solutions that fit.
More about the firmExpertise
Our areas of expertise
Business law
Companies, contracts, tax, mergers & acquisitions, fundraising, debt collection, etc.
Learn more 02Intellectual property
Trademarks, copyright, music, audiovisual, influencers and streamers, etc.
Learn more 03Employment law
Individual and collective relations, employment litigation, restructurings, etc.
Learn more 04Internal investigations
Harassment, fraud, works council alerts, whistleblowing: investigations led by lawyers, in France and abroad.
Learn more 05International business
International expansion of SMEs, international tax, financial flows, planning, etc.
Learn more 06Digital law
GDPR, e-commerce, blockchain, tokenisation, esports, IT contracts, etc.
Learn more 07Real estate law
Transactions, commercial leases, business transfers, litigation and construction.
Learn more 08Public & regulatory affairs
Relations with authorities, regulatory compliance, mediation with regulators.
Learn more 09Insolvency & restructuring
Mandat ad hoc, conciliation, safeguard, receivership and liquidation: for directors and creditors.
Learn more 10Energy law
Solar, wind and storage project companies: incorporation, annual corporate services, sales and reorganisations.
Learn moreTeam
Our team

Pascal-André Gérinier
Lawyer - Founder
Managing partner
IP/IT specialist, real estate agent

Julie Aubin
Lawyer - Founder
Director of the Mexico office, French Foreign Trade Advisor
Corporate law, mergers & acquisitions

William Mak
Lawyer - Founder
Asian Desk
General business litigation, contract law, IP/IT

Hugo Solard
Lawyer
Employment law

Loan Chiappori Desbois
Lawyer
Business law, intellectual property

Jonathan Boudet
Lawyer
Tax law

François Sauvageot
Lawyer
Mergers & acquisitions, corporate law

Victoria Rueda
Lawyer
Commercial and intellectual property law

Izzat-Begum B. RAJAN
Consultant, accredited mediator
International tax law, blockchain, tokenization

Ryane Meralli-Ballou
Consultant
Trademark law

Morgane Sot
Lawyer
Business law, intellectual property

Jean-Brice Audoye
Consultant
International development, real estate

Franck Nathoo
Legal counsel
Insolvency proceedings, judicial asset acquisition
Conformity is the jailer of freedom and the enemy of growth.
They trust us
MOSAIK
News
November 3, 2026
Hong Kong, a new opportunity for entrepreneurs?
On 30 October 2026, at Digital Village in Paris, AJCF brought together legal, HKTDC and entrepreneur perspectives on Hong Kong. An attractive tax environment, provided tax residence and substance are anticipated on the French side.
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October 29, 2026
MOSAIK at the French Tech Summit México 2026
On 21 October 2026, Julie Aubin represented MOSAIK at the fourth French Tech Summit México, part of the official programme marking the bicentenary of relations between France and Mexico.
Read more
October 27, 2026
Chinese investment in France: what the October 2026 reform changes
On 1 December 2026, China replaces its outbound investment control regime. Individuals now covered, no more USD 300 million threshold for offshore subsidiaries, new reporting duties: what French sellers and partners need to plan for.
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