LAWYER PROFILE
Mauro Mascareño

Mauro Mascareño

Latin America 2026

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Chambers ranking badge

Ranked in 1 practice area

Contributions and articles

4 Global Practice Guides
1 In-depth overview

About

Provided by Mascareño Vargas – Asesores

Latin America

Practice Areas

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

Career

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.

Professional Memberships

International Fiscal Association

American Bar Association

Education

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

Chambers Review

Provided by Chambers

Chambers Latin America

Corporate/Commercial: Tax - Paraguay

Up-and-coming Individual
Up and Coming

Individual Editorial

Mauro Mascareño is routinely seen handling regulatory tax mandates for a wide range of clients with businesses in Paraguay. His work also includes contentious tax matters such as litigation over VAT refunds.

Strengths

Provided by Chambers

  • Mauro Mascareño's knowledge is both broad and deep. He is commercially minded and pragmatic in his approach.

    Corporate/Commercial: TaxChambers Latin America

Ranked Individuals at Mascareño Vargas – Asesores (2)

Paraguay

All Contributions (5)

Provided by Mascareño Vargas – Asesores

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