Open navigation
Search
Offices – France
Explore all Offices
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS Francis Lefebvre partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
About CMS – France
How can we help you ?

If you're not looking for legal advice, or you're not sure who to contact, fill in the form below and one of our teams will get back to you.

Contact us
Search
Expertise
Insights

CMS lawyers can provide future-facing advice for your business across a variety of specialisms and industries, worldwide.

Explore topics
Offices
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS Francis Lefebvre partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
CMS France
Insights
About CMS
How can we help you ?

If you're not looking for legal advice, or you're not sure who to contact, fill in the form below and one of our teams will get back to you.

Contact us

Select your region

Guillaume Bossy
Partner

Guillaume Bossy

Member of the Executive Board

Languages
  • French
  • English
Social media

Guillaume Bossy is a partner lawyer in the employment law department of CMS Francis Lefebvre Lyon.

He mainly intervenes in counsel and in litigation in employment law and in cooperation with his partners in employment criminal law and in social protection law. He daily advises, pragmatically, companies about legal aspects of individual and collective labour relations. He co-manages with his partner François Coutard a team of 7 lawyers dedicated to employment law, in litigation as well as in advising.

Guillaume has strong experience as well as expertise notably within the field of restructuring (job preservation plans, mergers, reorganisations, renegotiations of working time, etc.), employee representation bodies and in employment relations management. He intervenes in a multidisciplinary way with the other departments of the law firm on complex legal issues.

Lawyer for more than 20 years, Guillaume Bossy joined the law firm in 2001. 

He is the host on a regular basis of conferences and formations for the ANDRH (National Association of Human Resources Department) and for clients.

Awards & Recognitions
01
  • Quote
    Employment
    Legal 500 EMEA 2019

Memberships & Roles

  • Member of the French Association of Corporate Legal Advisors (ACE)
  • Member of the National Association of Human resources directors (ANDRH) and coordinator of the “Rhône” Employment law club
  • Member of AVOSIAL (union of Employment lawyers)
  • Admitted to the Lyon Bar

Education

  • Specializing in Employment law
  • Specializing in Social security and Social protection law
  • "Certificat d'Aptitude à la Profession d'Avocat” (Practicing certificate for French lawyers)
  • D.E.A. (French degree in concentrated studies) in Employment law, University  Lyon II

Further reading

  • Pourquoi le barème Macron a-t-il été sauvé ?

  • La prise en compte des holding purement financières dans l’appréciation des moyens du PSE

Back to top