An International Tax Law Firm

An Experience Team

Parnassah International Partners, led by Hervé Israël, delivers unmatched tax consultancy. Our expert team, supported by liaison offices in Paris, Geneva, Luxembourg, NYC, and correspondents in Bahamas, Brussels, Milan, London, seamlessly blends global expertise with local insights for responsive and effective solutions.

Hervé Israël, Founder & Lead Tax Attorney

Hervé Israel is a paragon of tax law with over 30 years of deep-rooted experience, embodying a tradition of legal precision and avant-garde tax strategies. His firm is built upon a solid foundation of exhaustive tax knowledge and bespoke client relations, continuing a long-established legacy of legal excellence.

Background & Education

  • Former Associate Professor at the University of Paris Nanterre La Défense

  • Extensive experience in International Tax Planning and M&A Transactions


  • International Tax Planning Association (ITPA)

  • International Fiscal Association (IFA)

  • Institut des Avocats Conseils Fiscaux (IACF)

Our Missions

We are steadfast in our commitment to lead our clients through the maze of international tax regulations.

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Reduce Legal Tax Burdens

Minimize your fiscal footprint with Parnassah International Partners. We navigate the complexities of tax laws to significantly lower your legal tax liabilities, ensuring you keep more of what you earn.


Enhance Tax Planning

Maximize your financial potential through strategic tax planning. Our experts craft forward-thinking strategies that align with your goals, ensuring smart, proactive steps towards tax optimization.


Resolve Tax Disputes

Settle tax controversies with confidence. Our adept team brings resolution to even the most challenging tax disputes, defending your interests with a combination of legal acumen and negotiation prowess.

Our Clients

At Parnassah International Partners, our expert tax services are designed for a wide range of clients, from multinational firms to individual expatriates, ensuring tailored solutions for every international tax challenge.


High-Net-Worth Individuals




Multinational Corporations


Entrepreneurs and Start-Ups


Financial Institutions


Family Offices

Navigate Your Tax Journey with Us

We’re here to assist you with your international tax needs, our team of experts is ready to help.

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