Corporate/M&A
8 Ranked Lawyers
Firm PROFILE
Marval O'Farrell Mairal
Global 2026
Rankings
Leading firm in Global 2026
Ranked Departments
Ranked Departments
Ranked Individuals
Ranked Individuals
Top figures
2
Offices
609
Company Size
1923
Established Year
Content provided by Marval O'Farrell Mairal
Contributions and articles
75 Articles, Press releases, highlights
Overview
Provided by Marval O'Farrell Mairal
Marval O’Farrell Mairal is Argentina’s largest full-service law firm, with 300+ lawyers and market-leading expertise in Corporate/M&A, Banking & Finance, Dispute Resolution, Energy & Natural Resources, Intellectual Property, Tax, Competition, Labour, Compliance, and Technology, Privacy & AI. The firm is recognized for handling sophisticated, high-value and cross-border matters for leading local and international clients.
Industry sectors (15)
- Financial Services
- Energy & Natural Resources
- Oil & Gas
- Mining
- Technology
- Telecommunications & Media
- Healthcare & Life Sciences
- Consumer Goods & Retail
- Industrial & Manufacturing
- Infrastructure & Construction
- Real Estate
- Insurance
- Automotive
- Fintech
- Entertainment & Gaming
Capabilities (15)
- Corporate / M&A
- Banking & Finance
- Capital Markets
- Dispute Resolution
- International Arbitration
- Energy & Natural Resources
- Intellectual Property
- Tax
- Competition / Antitrust
- Labour & Employment
- Compliance & Investigations
- Restructuring & Insolvency
- Public & Administrative Law
- Technology, Privacy & AI
- International Trade & Customs
Key people
Provided by Marval O'Farrell Mairal
Gustavo Giay
Chairman
Javier E Patrón
Managing Partner
Work & experience
Provided by Marval O'Farrell Mairal
Marval combines legal excellence, deep industry knowledge and a practical, business-oriented approach. Our multidisciplinary teams advise on complex, high-stakes matters across Corporate/M&A, Finance, Disputes, Energy, Tax, IP and Technology. Recent work includes major cross-border transactions, financings, energy and infrastructure projects, and strategic litigation and arbitration.
Ranked Offices at Marval O'Farrell Mairal
Provided by Marval O'Farrell Mairal
Ranked Departments at Marval O'Farrell Mairal (8)
Ranked Individuals at Marval O'Farrell Mairal (25)
Argentina
Santiago Carregal
Head of Banking & Finance
View profile Santiago Carregal
Corporate/M&A
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Diego S Krischcautzky
Corporate/M&A
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Ricardo A Ostrower
Head of Dispute Resolution
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Juan Pablo Rothschild
International Trade/WTO
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Pablo Gayol
International Trade/WTO
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Gabriel Gotlib
Tax
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María Inés Brandt
Tax
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Pablo García Morillo
Corporate/M&A
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Pablo Viñals Blake
Head of Corporate/M&A
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Julio César Rivera Jr
Dispute Resolution
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Santiago Soria
Dispute Resolution
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Walter César Keiniger
Tax
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Gabriel Matarasso
Banking & Finance
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Pablo A Artagaveytia
Head of Corporate/M&A
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Rodrigo F García
Dispute Resolution
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Fernando Martín Vaquero
Tax
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Juan M. Diehl Moreno
Banking & Finance
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Francisco Abeal
Banking & Finance
View profile Sergio Tálamo
Banking & Finance
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Bárbara V. Ramperti
Corporate/M&A
View profile 
Hernán Slemenson
Corporate/M&A
View profile María Macarena García Mirri
Corporate/M&A
View profile Sergio Daniel Vergara
Tax
View profile
Brazil
Pablo A Artagaveytia
Corporate/M&A
View profile
Top figures
2
Offices
609
Company Size
1923
Established Year
Content provided by Marval O'Farrell Mairal
Articles, Highlights and Press Releases
30 items provided by Marval O'Farrell Mairal
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