Atty. Pierre Guignand

Atty. Pierre Guignand

With a post-graduate diploma in business law and taxation from the University of Clermont-Ferrand, Pierre GUIGNAND has been a member of the Lyon bar since 2006.A lawyer with Ratheaux from 2006 to 2009, he joined Lamy & Associés in 2009 and became a partner in 2015.Pierre GUIGNAND also works in all areas of corporate law, particularly in domestic and international mergers and acquisitions, private equity and investment operations.

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Profile Summary

About Pierre Guignand at a glance

Pierre Guignand is a business and m&a attorney, practicing at Cornet Vincent Ségurel. Recognitions include Best Lawyers in America — Corporate Law (2026), Best Lawyers in America — Mergers and Acquisitions Law (2026), and Lawyer of the Year — Private Equity Law, Lyon (France) (2024). Serands clients in Lyon and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

With a post-graduate diploma in business law and taxation from the University of Clermont-Ferrand, Pierre GUIGNAND has been a member of the Lyon bar since 2006.A lawyer with Ratheaux from 2006 to 2009, he joined Lamy & Associés in 2009 and became a partner in 2015.Pierre GUIGNAND also works in all areas of corporate law, particularly in domestic and international mergers and acquisitions, private equity and investment operations

Practice Areas Explained

Pierre Guignand's Areas of Practice

Each practice area below reflects the types of cases Pierre Guignand handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Pierre Guignand is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Mergers & Acquisitions

Pierre Guignand is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys →

Frequently Asked

Common questions about Pierre Guignand

Where is Pierre Guignand's law office located?
Pierre Guignand's law practice is located in Lyon. The firm is Cornet Vincent Ségurel. You can contact the office directly through this profile page.
What practice areas does Pierre Guignand handle?
Pierre Guignand focuses on business, m&a. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How can I contact Pierre Guignand for a consultation?
You can contact Pierre Guignand directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Pierre Guignand received?
Pierre Guignand's notable recognition includes: Best Lawyers in America — Corporate Law; Best Lawyers in America — Mergers and Acquisitions Law; Lawyer of the Year — Private Equity Law, Lyon (France).

Awards

Best Lawyers in America — Corporate Law
- 2026
Best Lawyers in America — Mergers and Acquisitions Law
- 2026
Lawyer of the Year — Private Equity Law, Lyon (France)
- 2024

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