Atty. Alexandre Moustardier

Atty. Alexandre Moustardier

Alexandre Moustardier has developed an advisory and litigation activity, upstream and downstream, in environmental law and town planning / construction law with institutions, SMEs / SMIs, industrialists, developers, companies involved in particular in cement and quarrying, energy, agrifood, chemicals, waste treatment, etc. Managing Partner of the firm ATMOS Avocats (formerly named Selarl Huglo Lepage & Associés until December 31, 2017), Alexandre Moustardier has developed, for twenty-five years, a specific expertise in industrial environment recognized by Best Layers in 2018.

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Profile Summary

About Alexandre Moustardier at a glance

Alexandre Moustardier is a environmental and government attorney, practicing at Atmos Avocats. Admitted to practice in France, Paris. Recognitions include Best Lawyers in America — Administrative Law (2026), Best Lawyers in America — Environmental Law (2026), and Best Lawyers in America — Public Law (2026).

Verified attorney profile · Updated June 2026

About

  • Alexandre Moustardier has developed an advisory and litigation activity, upstream and downstream, in environmental law and town planning / construction law with institutions, SMEs / SMIs, industrialists, developers, companies involved in particular in cement and quarrying, energy, agrifood, chemicals, waste treatment, etc
  • Managing Partner of the firm ATMOS Avocats (formerly named Selarl Huglo Lepage & Associés until December 31, 2017), Alexandre Moustardier has developed, for twenty-five years, a specific expertise in industrial environment recognized by Best Layers in 2018
  • Alexandre Moustardier holds a specialization in environmental law
  • He also holds a DEA in Environmental Law (Paris I - Panthéon-Sorbonne), and a DESS in Public International Law (Paris XI - Jean Monnet)
  • Former member of the National Bar Council and former member of the Council of the Paris Bar Association, he has been in charge of the management of the construction project of the Maison des Avocats on the site of the new civil court of Paris
  • He is co-author of the latest editions of the Administrative Justice Code and the Environmental Code, he is also a member of the Editorial Board of the Bulletin of Industrial Environment Law

Practice Areas Explained

Alexandre Moustardier's Areas of Practice

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

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Alexandre Moustardier is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Alexandre Moustardier is one of 132,225 government attorneys indexed nationally. Browse government attorneys →

Frequently Asked

Common questions about Alexandre Moustardier

What practice areas does Alexandre Moustardier handle?
Alexandre Moustardier focuses on environmental, government. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How can I contact Alexandre Moustardier for a consultation?
You can contact Alexandre Moustardier 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 Alexandre Moustardier received?
Alexandre Moustardier's notable recognition includes: Best Lawyers in America — Administrative Law; Best Lawyers in America — Environmental Law; Best Lawyers in America — Public Law.

Awards

Best Lawyers in America — Administrative Law
- 2026
Best Lawyers in America — Environmental Law
- 2026
Best Lawyers in America — Public Law
- 2026

Bar Admissions

France, Paris

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