Corporate/Commercial: Tax
Paraguay
5 years ranked
Corporate/Commercial: Tax
Paraguay
5 years ranked
Provided by Mascareño Vargas – Asesores
Corporate law and governance
Mergers and acquisitions
Corporate restructuring and reorganisations
Tax planning and advisory (domestic and international)
Transfer pricing and cross-border tax compliance
Capital markets and securities regulation
Tax controversy, dispute resolution, and VAT litigation
Foreign investment and project structuring
Regulatory compliance and administrative outsourcing
Entering the legal profession with a strong foundation in both law and applied business, Mauro Mascareño has developed a multifaceted career bridging corporate law, tax advisory, and capital markets. His practice spans domestic and cross-border mergers and acquisitions, capital markets regulation, tax structuring, and dispute resolution.
He has led a wide range of complex and high-stakes matters, including corporate restructurings, securities offerings, and strategic tax planning initiatives. His litigation experience includes defending clients in complex VAT and tax audits, safeguarding their fiscal interests with technical rigour and strategic insight.
Beyond transactional and contentious work, Mauro regularly contributes to national and international legal publications and participates as a speaker and panelist at key industry forums. His career reflects a combination of technical excellence, thought leadership, and practical business sense.
International Fiscal Association
American Bar Association
Harvard Kennedy School
Executive Certificate in Taxation
2022 - 2022
London School of Economics and Political Science
Master of Laws
2018 - 2019
Universidad Católica "Nuestra Señora de la Asunción"
Lawyer
2009 - 2014
Universidad Católica "Nuestra Señora de la Asunción"
Notary
2016 - 2016
Provided by Chambers
Head of Mascareño Vargas – Asesores' tax and corporate departments, Mauro Mascareño is routinely engaged on regulatory tax mandates for a wide range of clients operating in Paraguay. His practice also encompasses contentious tax matters, including tax litigation, as well as corporate reorganisations and advisory services.
Head of Mascareño Vargas – Asesores' tax and corporate departments, Mauro Mascareño is routinely engaged on regulatory tax mandates for a wide range of clients operating in Paraguay. His practice also encompasses contentious tax matters, including tax litigation, as well as corporate reorganisations and advisory services.
Provided by Chambers
Mauro Mascareño stands out for his high level of technical expertise, strategic thinking and strong business acumen. He combines an excellent ability to tackle complex issues with agile, clear and effective responses.
Mauro Mascareño’s perspective extends beyond purely legal considerations. His comprehensive understanding of business operations and commercial realities enables him to provide well-rounded advice and clearly distinguishes him in the market.
Provided by Mascareño Vargas – Asesores
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