Overview

Founded in 2005, Johnson Gray McNamara, LLC (JGM) serves clients throughout Louisiana from its offices in New Orleans, Lafayette, and Mandeville. The firm has extensive litigation and regulatory experience in the energy, oil and gas, insurance, and environmental sectors. Our attorneys represent clients ranging from Fortune 500 companies to emerging businesses, providing practical legal counsel and strategic advocacy in matters spanning routine business issues to complex, high-stakes disputes.

JGM is a majority-owned Women's Business Enterprise (WBE) certified by the Women's Business Enterprise National Council (WBENC). Our attorneys are distinguished by exceptional academic credentials, proven courtroom experience, and leadership within the legal community. With a team of 11 lawyers across three Louisiana offices, JGM combines the capabilities of a larger firm with the responsiveness and personal attention of a boutique practice.

Since the inaugural 2010 edition, JGM has been recognized in every edition of U.S. News & World Report's Best Law Firms®. The firm has earned honors in Environmental Law, Oil & Gas Law, Natural Resources Law, and Personal Injury Litigation (Defendants), among other practice areas, throughout Louisiana, including the Lafayette, Baton Rouge, and New Orleans markets.

The firm's founding members are Mary Johnson, Pat Gray, Tom McNamara, Jill Losch, and Chad Mollere. JGM is also proud to have seven attorneys currently recognized in The Best Lawyers in America®: Mary Johnson, Pat Gray, Tom McNamara, Chad Mollere, Suzanne Mahoney, Ingrid Laurendine, and Nichole Mart Gray.

For more than two decades, JGM's success has been built on the trust our clients place in us and the relationships we have developed throughout Louisiana. We remain committed to providing practical legal counsel, effective advocacy, and exceptional client service across the industries and communities we serve.

Founded:
2005
Size:
10
Person outline with Best Lawyers logo
Best Lawyers Recognized:
7

Rankings

Regional

Lafayette

Tier
1
Lafayette
Litigation - Environmental
Tier
2
Lafayette
Natural Resources Law
Tier
2
Lafayette
Oil and Gas Law
Tier
3
Lafayette
Energy Law

New Orleans

Tier
1
New Orleans
Environmental Law
Tier
1
New Orleans
Litigation - Environmental

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
Natural Resources Law
Tier
2
Lafayette
Oil and Gas Law
Tier
3
Lafayette
Energy Law

New Orleans

Tier
1
New Orleans
Environmental Law
Tier
1
New Orleans
Litigation - Environmental
Tier
1
New Orleans
Mass Tort Litigation / Class Actions - Defendants
Tier
1
New Orleans
Personal Injury Litigation - Defendants
Tier
2
New Orleans
Product Liability Litigation - Defendants
Tier
3
New Orleans
Insurance Law
Tier
3
New Orleans
Litigation - Insurance

Individuals Recognized in The Best Lawyers in America®

Johnson Gray McNamara LLC proudly has 7 lawyers recognized for their outstanding professional performance in the 2027 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
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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