
J2M Law Firm – Trusted Legal Partner for French Immigration, Tax & Business Law
J2M Law Firm is a Paris-based legal practice dedicated to helping international clients—especially English-speaking professionals, entrepreneurs, and investors—successfully navigate French immigration, tax, and business law.
Founded by Jean-Jacques Michallon, a former French Tax Inspector with decades of legal experience, our firm delivers tailored legal solutions backed by real-world insights and strategic thinking. Whether you're planning to relocate to France, start a business, or manage your taxes as a foreign resident, we offer clear guidance and full legal support every step of the way.
We specialize in:
- French Immigration Law – visas (including Talent Passport and Golden Visa), residence permits, and administrative appeals
- Tax Law – tax filing, audits, litigation, and cross-border tax planning
- Corporate Law – business formation, structuring, and compliance
- Real Estate Transactions – legal assistance for property purchases and rentals in France
At J2M, we believe that legal processes shouldn’t be overwhelming. That’s why we focus on clarity, responsiveness, and personalized support—making complex French legal systems easier for expats, investors, and growing companies to understand and manage.
If you're looking for a reliable, English-speaking lawyer in France who understands the local law and international concerns, J2M Law Firm is here to help.
Practice areas
Immigration
French Immigration Lawyer | Talent Passport, Investor & Work Visas
Navigating French immigration laws can be complex, especially for professionals, entrepreneurs, and families relocating from abroad. At J2M Law Firm, we provide personalized legal assistance to help you secure the right visa or residence permit and transition smoothly into life and business in France.
Visa and Residence Permit Applications
We specialize in securing a range of immigration statuses, including:
- Talent Passport
- French Tech Visa
- Investor Visa
- Employee or Intra-Company Transfer Visa
- Golden Visa (Real Estate Investment)
Our firm works closely with clients from the U.S., UK, and other countries, ensuring their immigration applications meet the latest legal requirements and are submitted with clarity and accuracy.
Immigration Appeals and Litigation
If your visa or residence permit has been denied or delayed, we can represent you in administrative appeals and legal proceedings. Our experience allows us to quickly identify procedural issues and build a solid case for your rights to stay, work, or invest in France.
Support for Families and Partners
We also assist with family reunification, partner/spouse visas, and other related matters. Whether you’re relocating with your family or joining a loved one already in France, we help ensure your legal status is fully compliant and supported.
At J2M, we understand how important clarity and timing are when it comes to immigration. That’s why we take pride in offering responsive, practical guidance throughout every step of your journey.
Real Estate
French Real Estate Lawyer | Property Purchase, Rental & Investment
Whether you're purchasing your first property in France or expanding your real estate portfolio, J2M Law Firm provides legal clarity and protection every step of the way. We support foreign investors, expats, and non-residents navigating the complex French property market, ensuring smooth, secure transactions with full legal compliance.
Property Purchases and Sales
Buying or selling real estate in France involves a unique legal process, including preliminary contracts, notary oversight, and strict compliance with local regulations. We guide you through the entire transaction, from due diligence and contract review to title checks and closing.
We help clients avoid costly mistakes and protect their interests by reviewing key documents and identifying risks—especially for those purchasing remotely or for investment purposes.
Lease Agreements and Rentals
Whether you’re leasing out your property or planning to rent in France, our team ensures your lease agreements are legally sound, clear, and enforceable. We assist landlords, tenants, and property managers with drafting, negotiation, and resolving disputes related to short-term or long-term rentals.
Real Estate Investment Support
France offers attractive opportunities for property investors, including pathways to residency through real estate investment (Golden Visa). Our legal team provides tailored support to align your property goals with French legal and tax obligations, helping you structure deals that are both secure and profitable.
At J2M, we combine our understanding of property law, tax regulations, and administrative procedures to deliver real estate legal services that are responsive, reliable, and designed with international clients in mind.
Business
Business Law in France | Company Structuring & Tax Optimization
We offer strategic legal guidance for foreign investors, entrepreneurs, and companies looking to establish or expand operations in France. With deep knowledge of French commercial and tax legislation, we help clients make confident, informed decisions for sustainable business growth.
Business Structuring
Setting up a business in France requires more than just paperwork—it demands a clear understanding of the legal, tax, and administrative frameworks. We assist clients in choosing the most appropriate legal structure based on their goals, whether it’s a SAS, SARL, or branch office.
From company registration to drafting articles of incorporation and ensuring ongoing regulatory compliance, our team provides full legal support to get your business up and running smoothly. We work closely with entrepreneurs, foreign subsidiaries, and professionals to build solid foundations for long-term success in the French market.
Tax Optimization
France has a complex tax system that can be challenging for newcomers and businesses with cross-border operations. Our tax law expertise—rooted in years of experience and insight from a former French Tax Inspector—ensures that your company remains both compliant and financially efficient.
We provide tailored tax planning strategies designed to reduce tax exposure, optimize profits, and avoid penalties. Whether you're preparing for an audit, expanding into France, or restructuring your business, we’ll help you navigate local tax obligations with confidence and precision.
Our Partners and Associates

Jean-Jacques Michallon is an experienced French immigration attorney and the founder of J2M Law Firm, based in Paris. With a legal career that spans over three decades—including time as a former French Tax Inspector—he brings a rare combination of insider experience, legal precision, and international focus.
He advises English-speaking professionals, families, entrepreneurs, and companies seeking to relocate, invest, or build businesses in France. His multidisciplinary legal background allows him to provide strategic support not only in immigration law but also in corporate formation, tax compliance, and business structuring.
Whether you're a freelancer, artist, remote worker, investor, or multinational company, Jean-Jacques offers practical and tailored solutions to help you navigate French legal systems with confidence.
Education & Legal Background
Master’s Degree in Business Law – Paris Assas University (1988)
Graduate, French National Institute of Tax Law (1988)
Admitted to the Paris Bar in 1988
Completed 20+ hours of continuing legal education annually (CLE compliance)
Professional Experience
Founder & Immigration Lawyer – J2M Law Firm (since 2015)
Tax Attorney – Practicing since 1989
French Tax Inspector – Ministry of Finance (1981–1988)
Practice Focus
French Immigration Law: Including professional visas, Talent Passport, intra-company transfers, and legal support for expatriates and families
Business & Corporate Law: Company formation, corporate restructuring, legal representation, and administrative liaison
Tax Law & Optimization: Tax audits, litigation, cross-border tax strategy, and legal structuring for fiscal efficiency
Affiliations
Member, Paris Bar Association (in good standing since 1988)
Member, Institute of French Tax Attorneys (IACF)
Member, American Immigration Lawyers Association (AILA)
Publications & Media
Jean-Jacques has authored numerous legal articles, including contributions to Village de la Justice (in French), as well as educational content through his legal blogs focused on immigration and tax law in France.
Key Areas of Legal Expertise
French Professional Immigration
Comprehensive legal support for professionals, entrepreneurs, researchers, and corporations navigating French immigration law. Services include visa applications, residence permits, and administrative appeals.
French Business Law
Legal guidance for company setup, VAT registration, and regulatory compliance. Assistance extends to liaising with French authorities and connecting clients with trusted professionals in IP, trade law, and accounting.
French Tax Law
As a former tax inspector, Jean-Jacques offers deep insights into tax audits, litigation, and proactive tax planning. He advises clients on structuring their operations for tax efficiency and legal compliance.
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