International and Transnational Law

Legal Counsel
Without Borders

Legal strategies designed for an interconnected world. Clear guidance for international growth and dispute resolution.

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JFC Attorneys office
The Firm

Bridging Jurisdictions,
Protecting Interests

Jarsun, Ferreira & Calvo is an international law firm based in Argentina, specializing in cross-border legal matters between Latin America and the United States. We provide strategic legal counsel to startups, technology companies, fintechs, venture capital funds, and investors navigating the complexities of multi-jurisdictional operations.

Who We Serve

Early and growth-stage startups, technology companies, fintech platforms, venture capital funds, angel investors, and multinational corporations operating across borders.

Our Advantage

With attorneys licensed in both Argentina and New York, we offer seamless legal support across jurisdictions — eliminating the friction of coordinating multiple counsel in different countries. We deliver sophisticated legal services with the responsiveness of a boutique practice.

What We Do

Practice Areas

Comprehensive legal services tailored to the demands of an interconnected global economy.

Fintech & Financial Regulation

We advise fintech companies, regulated financial institutions and technology platforms on the design, structuring and scaling of regulated financial products and payment infrastructures across the United States and Latin America.

Venture Finance & Startups

We provide sophisticated transactional and structuring counsel to venture-backed companies and institutional investors across the full financing lifecycle — from seed rounds to growth-stage transactions and exit structuring.

International Litigation & Cross-Border Disputes

We advise and represent companies, investors and individuals in complex disputes arising from cross-border contracts, transnational investments and international business operations.

Commercial Arbitration

We represent companies, investors and state-owned entities in complex domestic and international commercial arbitrations conducted under leading institutional and ad hoc rules.

Investment Arbitration

We represent sovereign States, state-owned entities, and foreign investors in investment arbitrations arising under bilateral investment treaties, free trade agreements and investment contracts.

Contractual Architecture

We provide sophisticated drafting, negotiation and lifecycle management of commercial, technology and consumer-facing agreements for companies operating across multiple jurisdictions.

Our Approach

Why Clients Choose Jarsun, Ferreira & Calvo

Global Perspective,
Local Knowledge

We combine intimate understanding of Argentine and Latin American law with comprehensive expertise in international legal frameworks, allowing us to navigate any cross-border complexity.

Results-Driven
Counsel

Every mandate is approached with precision and strategic intent. We focus on outcomes that genuinely protect your interests and advance your long-term business objectives.

Personalized
Partnership

Clients receive direct access to senior partner attorneys throughout the entirety of their matter — ensuring continuity, accountability, and advice that is always tailored to you.

Let's Discuss
Your Legal Needs

We offer initial consultations to understand the scope of your matter and determine how our expertise can best serve your interests. Reach out — we respond within 24 hours.

Get in Touch