Overview

Founded 40 years ago, Giarmarco, Mullins & Horton, P.C. ranks as the 12th largest law firm in Michigan. With over 60 attorneys, GMH is a full-service law firm offering our clients a diverse range of capabilities and specialties.

GMH is known for:
  • Excellence of work in complex and challenging matters
  • Experience of over 60 attorneys
  • Expertise in 36 areas of the law
  • Results oriented
  • Value in our service
GMH has been chosen as Best Law Firm by US News & World Report:
  • As Best Place to Work by Fortune and Detroit Free Press
  • As Crain’s Detroit Business, “Cool Place to Work”
  • Best Lawyers 2012, Super Lawyers and DBusiness Top Lawyers
Our practice areas span a broad range of legal experience, allowing us to serve our clients when and where they need us:
  • Estate & Trust
  • Municipal, Government, Schools & Education
  • Business/Corporate
  • Health Care
  • Medical Malpractice Defense
  • Business Litigation
  • Family Law
  • Real Estate
  • Tax Law
Founded:
1973
Size:
66
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Practice Areas:
13
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Best Lawyers Recognized:
21

Rankings

Regional

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Closely Held Companies and Family Businesses Law
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Commercial Litigation
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Corporate Law
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Education Law
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Family Law
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Health Care Law

Rankings

Regional

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Tier
1
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Closely Held Companies and Family Businesses Law
Tier
1
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Commercial Litigation
Tier
1
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Corporate Law
Tier
1
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Education Law
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1
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Family Law
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1
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Health Care Law
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1
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Medical Malpractice Law - Defendants
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1
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Mergers and Acquisitions Law
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1
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Real Estate Law
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1
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Tax Law
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1
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Trusts and Estates
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2
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Litigation - Insurance
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2
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Litigation - Labor and Employment
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2
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Litigation - Mergers and Acquisitions
Tier
3
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Bet-the-Company Litigation
Tier
3
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Litigation - Real Estate
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3
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Litigation - Trusts and Estates

Practice Areas

Giarmarco, Mullins & Horton PC has been ranked by Best Law Firms for excellence in 17 specialties, reflecting the firm's commitment to delivering outstanding legal services.
Additionally, the firm provides services in these practice areas:
  • Commercial Litigation
  • Corporate Law
  • Education Law
  • Employment Law - Management
  • Family Law
  • Health Care Law
  • Labor Law - Management
  • Litigation - Labor and Employment
  • Litigation - Trusts and Estates
  • Medical Malpractice Law - Defendants
  • Professional Malpractice Law - Defendants
  • Real Estate Law
  • Trusts and Estates

Individuals Recognized in The Best Lawyers in America®

Giarmarco, Mullins & Horton PC proudly has 21 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

Giarmarco, Mullins & Horton PC 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, Giarmarco, Mullins & Horton PC 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 Giarmarco, Mullins & Horton PC continues to set the standard for quality legal representation.
Best Place to Work Fortune
Crains Detroit Business Cool Place to Work
Healthty Place to Work Crains Detroit Business

Offices & Contacts

Troy, MI
Columbia Center, Tenth Floor
101 West Big Beaver Road
Troy, MI 48084-5280
United States
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