Pierre-Alain Guillaume

Pierre-Alain Guillaume

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

About Pierre-Alain

Practice Areas

Awards & Recognition

Office Locations

Languages

Reviews

4.6 / 5

0 Reviews

1,004 Profile Views

A

Amara Okonkwo

Jan 05, 2026

Exceptional Communication and Responsiveness Throughout Our Tax Audit

I was facing a complex tax audit from Swiss authorities regarding my international business operations. Pierre-Alain Guillaume was recommended to me, and from our first consultation, his communication...

H

Henrik Johansson

Jan 05, 2026

Deep Expertise in International Tax Planning Saved Our Company

Our multinational corporation was restructuring operations across Switzerland and the EU, facing significant tax implications. Pierre-Alain Guillaume's expertise in Swiss and international taxation wa...

Y

Yuki Nakamura

Jan 05, 2026

Outstanding Results: Negotiated a Favorable Tax Ruling Settlement

I needed to negotiate a tax ruling with Swiss authorities for a new investment venture, and the initial proposals were unfavorable. Pierre-Alain Guillaume took on my case and achieved remarkable resul...

F

Fatima Al-Rashid

Jan 05, 2026

Compassionate Guidance During a Stressful Inheritance Tax Issue

After my father's passing, I was overwhelmed by inheritance tax complexities across multiple jurisdictions. Pierre-Alain Guillaume provided not only expert legal advice but also genuine compassion and...

D

Diego Alvarez

Jan 05, 2026

Utmost Professionalism in Corporate Restructuring Tax Matters

Our firm underwent a major corporate restructuring involving mergers across Swiss cantons, requiring precise tax due diligence. Pierre-Alain Guillaume's professionalism was evident from start to finis...