Guillaume Bossy
About Guillaume Bossy
Guillaume Bossy is a lawyer based in Lyon, FR and has been recognized in The Best Lawyers in France™ since 2024. Guillaume Bossy is recognized in the following practice areas:
- Lyon, France
- Employee Benefits Law
- Labor and Employment Law
Current Firm: CMS Francis Lefebvre Lyon
Location: Lyon, FR
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Luc-Marie AUGAGNEUR holds a Diploma in Corporate Counsel from Lyon III University (Jean Moulin) and the Rhône-Alpes Law School (Lyon). He has been practicing law since 2003. In 2020, he joined Cornet Vincent Ségurel's Lyon office as Partner to bring his expertise in Competition, Distribution, Business Law Litigation, Economic Criminal Law and Digital Law. Luc-Marie has comprehensive experience in Marketing Law, Intellectual Property, as well as in IT, AI and Compliance. He assist...
Benjamin Lafaye is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Benjamin practices law in Lyon, France Best Lawyers has recognized Benjamin Lafaye since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Benjamin Lafaye is held by other lawyers.
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.
Ghislain de Pazzis is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Ghislain practices law in Lyon, France Best Lawyers has recognized Ghislain de Pazzis since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ghislain de Pazzis is held by other lawyers.
Mathieu Hugueville is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Mathieu practices law in Lyon, France Best Lawyers has recognized Mathieu Hugueville since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mathieu Hugueville is held by other lawyers.
Caroline Camière is a lawyer recognized by Best Lawyers in the practice area of Public Law. Caroline practices law in Lyon, France Best Lawyers has recognized Caroline Camière since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Caroline Camière is held by other lawyers.
Yann Bougenaux is an attorney with Oren Avocats in Lyon, where he focuses his practice on labor and employment law with a specialization in Workplace accidents and occupational diseases . He advises companies and organizational leaders on the legal issues that arise throughout the employment relationship, from hiring and contract drafting to workplace policies and dispute resolution. His work often involves guiding clients through the practical application of French labor regulations while he...
Charlotte Peillon is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Charlotte practices law in Lyon, France Best Lawyers has recognized Charlotte Peillon since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Charlotte Peillon is held by other lawyers.
Amaury DUMAS-MARZE is a partner within the « Distressed companies - Restructuring » department. Amaury assists distressed companies, administrators and judicial representatives, as well as rescuers. More specifically he works : with distressed companies : facing either preventive (ad hoc mandate, conciliation), or collective insolvency proceedings (safeguard, judicial recovery), with court-appointed receivers and trustees in the context of insolvency proceedings carried out under ...
Maud Perilli is a lawyer recognized by Best Lawyers in the practice areas of Insolvency and Reorganization Law and Labor and Employment Law. Maud practices law in Lyon, France Best Lawyers has recognized Maud Perilli since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Maud Perilli is held by other lawyers.
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
What Happens if You Don't File Taxes
by Bryan Driscoll
The penalties are real, but so are your options. Here's what the IRS can do and what you can do about it.