LAWYER PROFILE
Marco Di Siena

Marco Di Siena

Europe 2026

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Ranked in 2 practice areas

About

Provided by Chiomenti

Practice Areas

Marco advises Italian and international clients on tax law and tax planning matters with a focus on extraordinary corporate transactions, M&A, private equity, international taxation and transfer pricing, tax litigation, restructuring of family assets, trust, and inheritance planning.

Career

Marco Di Siena joined the Firm in 2002 and became a Partner in 2011.

Professional Memberships

Member of the Rome Bar (Italy), 2004, Admitted to practice before the Supreme Court, Italy, 2017.

Chambers Review

Provided by Chambers

Chambers European Guide

Tax: Litigation - Italy

Band 2
Band 2

Individual Editorial

Marco Di Siena's practice specialises in tax litigation before the Supreme Court, often following assessments by the tax authorities. He usually acts on behalf of financial services and energy sector companies.

Tax - Italy

Band 4
Band 4

Individual Editorial

Marco Di Siena's practice specialises in tax litigation before the Supreme Court, often following assessments by the tax authorities. He usually acts on behalf of financial services and energy sector companies.

Strengths

Provided by Chambers

  • Working with him, one senses his keen and genuine interest not only in the technical aspects of the issues being examined, but also in the client's needs.

    Tax: LitigationChambers European Guide
  • Marco Di Siena is a highly trained professional with a highly advanced technical legal culture that is well above average.

    Tax: LitigationChambers European Guide
  • Marco is distinguished by his availability and reliability, he is constantly present and responsive even in the most delicate moments.

    Tax: LitigationChambers European Guide
  • Marco Di Siena combines high technical expertise with a thorough understanding of the relevant regulatory and sector context and an ability to make even the most complex legal issues understandable.

    Tax: LitigationChambers European Guide
  • A highly skilled and meticulous professional of the highest calibre, Marco Di Siena possesses not only expertise but also a profound sense of responsibility and humanity.

    Tax: LitigationChambers European Guide

Ranked Individuals at Chiomenti (69)

Italy

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