Pierre-Alain Guillaume

Pierre-Alain Guillaume

N/A
Tax Law
Recognized Since Recognized in Best Lawyers since 2013

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4.6 / 5

0 Reviews

1,005 Profile Views

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Mei Lin Zhang

Jan 05, 2026

Strategic Tax Litigation Victory in a Complex Appeal Procedure

I was involved in a tax litigation appeal before a Swiss tax court, challenging an unfair assessment. Pierre-Alain Guillaume's strategic representation led to a complete victory. He meticulously prepa...

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Lakshmi Patel

Jan 05, 2026

Reliable Support in Criminal Tax Investigation Procedures

Facing a special tax investigation for alleged irregularities, I was terrified of the criminal implications. Pierre-Alain Guillaume provided steadfast support and expert representation throughout the...

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Elena Volkov

Jan 05, 2026

Expert Handling of Mutual Assistance Procedures Between States

My business faced an exchange of tax information request between Switzerland and another country, posing serious risks. Pierre-Alain Guillaume expertly managed the mutual assistance procedures, ensuri...