
Accolades
Testimonials
Collated independently by Legal 500 research team.
‘Provides excellent service, attentive to the constant changes in legislation on these issues, and is able to provide clients with the precise and concrete advice they need.'
‘They differentiate themselves through precision and professionalism.'
‘Agile in their responses.’
‘They are collaborative and always available.'
'The firm stands out for its deep expertise in banking law, complemented by strong capabilities across corporate, regulatory, and dispute resolution matters. This multidisciplinary approach allows the firm to deliver comprehensive, strategic solutions that distinguish it from competitors.'
'Their distinguished expertise in banking law, coupled with a strategic and solutions-focused approach, sets them apart. They consistently deliver exceptional guidance on complex regulatory matters, earning the trust of clients and peers alike.'
‘Marval, O'Farrell Mairal stands out for its deep expertise in legal, foreign exchange, and banking regulations, combined with a commitment to delivering efficient and creative solutions tailored to complex business needs. Unlike traditional firms, they go beyond compliance by integrating strategic thinking and innovation into every transaction.'
- 'Each member possesses an in-depth understanding of regulatory frameworks, financial structures, and market dynamics, enabling them to offer solutions that go beyond compliance to drive business growth.'
Key clients
- JP Morgan
- Bank of America
- BNP Paribas
- Citibank
- Santander
- BBVA
- Goldman Sachs
- Merrill Lynch
- Credit Suisse | UBS
- Frankin Templeton
- Export Development Canada
- Rabobank
Work highlights
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Gabriel Matarasso; Santiago Carregal
Other key lawyers
Cecilia M. Mairal; Juan Diehl Moreno; Francisco Abeal; Sergio Tálamo; Hernán Slemenson




