Overview

Founded in 2005 by seven attorneys, JGM provides exceptional service to our clients from our offices in New Orleans, Lafayette, and Mandeville, Louisiana. JGM has substantial litigation and regulatory experience in the energy, oil and gas, and insurance industries. The size of our firm and our approach to the practice of law allows us to deliver exceptional service to both Fortune 500 companies and small, emerging businesses. Our lawyers and staff acknowledge our past success is due to the unwavering support that our clients have provided by entrusting us with their matters, from general advice and recommendations to high-stakes disputes.

Johnson Gray McNamara, LLC is a majority-owned Women's Business Enterprise (WBE), certified by the WBENC. Our firm hires law school graduates who have achieved the highest level of academic distinction, as well as attorneys who have done the same and proven themselves in the courtroom and legal community. We are a small firm comprised of 13 lawyers in three Louisiana cities, and JGM is consistently recognized by our peers as a superior provider of legal services.

In addition to numerous other distinctions, JGM has been listed in the every edition, since the inaugural 2010 edition, of the U.S. News & World Report publication on the Best Law Firms® in the areas of environmental law, oil & gas law, natural resources law, and personal injury litigation-defendants in the Lafayette/Baton Rouge and New Orleans metropolitan areas. JGM also received a national ranking in oil & gas law in 2011.

The founding members of JGM are Mary Johnson, Pat Gray, Tom McNamara, Jill Losch, and Chad Mollere. We are pleased to announce that seven of our lawyers are now listed in the Best Lawyers in America®: Mary Johnson, Pat Gray, Tom McNamara, Chad Mollere, Suzanne Mahoney, Ingrid Laurendine and Nichole Mart Gray.

JGM is poised to continue successful representation of its clients and create meaningful working relationships with new clients. We remain excited about the future of both our firm and clients.

Founded:
2005
Size:
10
Magnifying glass with star icon
Practice Areas:
16
Person outline with Best Lawyers logo
Best Lawyers Recognized:
7

Rankings

Regional

Lafayette

Tier
1
Lafayette
Litigation - Environmental
Tier
2
Lafayette
Energy Law
Tier
2
Lafayette
Natural Resources Law
Tier
2
Lafayette
Oil and Gas Law

New Orleans

Tier
1
New Orleans
Environmental Law
Tier
1
New Orleans
Mass Tort Litigation / Class Actions - Defendants

Highlighted Client Comments

These featured testimonials reflect a sampling of client experiences. As every legal matter is unique—comments are personal opinions, not guarantees of future results.
Appellate Practice
Mary Johnson is a great resource and advocate for Chartis. She is a seasoned attorney with exceptional skills and knowledge of procedure and the law. Mary is a hard worker who makes herself readily available to the client and is willing to work late to complete the task at hand. She is a tenacious fighter with the ability to counter well on her feet. Her appellate work is excellent. Mary is an asset.
Paul Vittorino
Assistant Vice President – Chartis Insurance Company

Rankings

Regional

Lafayette

Tier
1
Lafayette
Litigation - Environmental
Tier
2
Lafayette
Energy Law
Tier
2
Lafayette
Natural Resources Law
Tier
2
Lafayette
Oil and Gas Law

New Orleans

Tier
1
New Orleans
Environmental Law
Tier
1
New Orleans
Mass Tort Litigation / Class Actions - Defendants
Tier
1
New Orleans
Personal Injury Litigation - Defendants
Tier
2
New Orleans
Insurance Law
Tier
2
New Orleans
Litigation - Environmental
Tier
2
New Orleans
Litigation - Insurance

Practice Areas

Johnson Gray McNamara LLC has been ranked by Best Law Firms for excellence in 9 specialties, reflecting the firm's commitment to delivering outstanding legal services.
Additionally, the firm provides services in these practice areas:
  • Appellate Practice
  • Employment Law - Individuals
  • Employment Law - Management
  • Energy Law
  • Energy Regulatory Law
  • Environmental Law
  • Insurance Law
  • Litigation - Environmental
  • Litigation - Insurance
  • Litigation - Intellectual Property
  • Litigation - Regulatory Enforcement (SEC, Telecom, Energy)
  • Mass Tort Litigation / Class Actions - Defendants
  • Mediation
  • Natural Resources Law
  • Oil and Gas Law
  • Personal Injury Litigation - Defendants

Individuals Recognized in The Best Lawyers in America®

Johnson Gray McNamara LLC proudly has 7 lawyers recognized for their outstanding professional performance in the 2025 edition of The Best Lawyers in America®. This peer-reviewed honor highlights individual excellence and directly qualifies the firm for consideration in the prestigious Best Law Firms rankings. For over four decades, Best Lawyers has been the gold standard for recognizing top legal talent, serving as the cornerstone for Best Law Firms awards. Learn more about our rigorous Best Lawyers research and selection process.
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Client Comments

A strong relationship between a client and their law firm is key to achieving the best possible outcomes. Open communication, trust, and collaboration ensure that attorneys understand each client’s unique goals and needs. Choosing the right firm means finding a team with the experience, knowledge, and dedication to guide you through every stage of the legal process.
Client comments reflect personal opinions and individual experiences. Every case is different, and outcomes depend on specific facts and circumstances. Past results and testimonials do not guarantee similar outcomes in future matters. For personalized legal advice, consult directly with an experienced attorney who can evaluate your specific situation and provide tailored guidance.
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Awards

Johnson Gray McNamara LLC is honored to be recognized for excellence by Best Law Firms and other leading legal industry organizations. Our rankings and awards reflect the dedication, skill, and results our attorneys deliver across a wide range of practice areas. In addition to our Best Law Firms awards, Johnson Gray McNamara LLC has earned accolades from respected national and regional publications for outstanding legal service and professional achievement. Explore our awards below to learn more about how Johnson Gray McNamara LLC continues to set the standard for quality legal representation.
2013 Edition U.S. News Best Law Firms Tier 1 Ranking
2011 Edition US News Best Law Firms Tier 1 Ranking
2012 Edition U.S. News Best Law Firms Tier 1 Ranking

Offices & Contacts

Lafayette, LA
1200 Camellia Boulevard, Suite 220
Lafayette, LA 70508
United States
Mandeville, LA
New Orleans, LA
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