William S. "Bill" Thomas

4.6 (38 reviews )

St. Louis Missouri United States

Construction Law Litigation - Construction

Recognized in Best Attorney USA since 2019

314-257-9800 Website

About William

William S. Thomas: Experienced Trial Lawyer in Construction Law, St. Louis

William S. 'Bill' Thomas is one of our firm's many experienced trial lawyers, with a diverse practice that emphasizes complex litigation. His areas of expertise include construction law and litigation - construction.

Practice Areas:

Civil Jury Trials
Complex Litigation
Litigation - Construction
Product Liability Litigation - Defendants
Professional Malpractice Law - Defendants
Medical Malpractice Law - Defendants
Litigation - Environmental
Civil Rights Litigation
Criminal Defense

Affiliations:

Firms: Gausnell, O'Keefe & Thomas LLC
Professional Organizations:
- Lawyers Association of St. Louis (Former President)
- DRI - Defense Research Institute (Product Liability Committee; Building Products and Power Tool Specialized Litigation Groups, Construction Committee, Professional Liability Committee; Design Professional Subcommittees)

Education:

B.A., University of Notre Dame (1990)
J.D., Saint Louis University School of Law (1995)

Bar Admissions:

Missouri, United States (1995)

Awards:

Limited to the Awards provided in the original bio: Lawyer of the Year: Construction Law, St. Louis (2025), Lawyer of the Year: Construction Law, St. Louis (2023), Lawyer of the Year: Litigation - Construction, St. Louis (2022)

Recognized Since:

Recognized in Best Attorney USA since 2019.

City:

St. Louis, Missouri, United States

Practice Areas

Construction Law

Litigation - Construction

Education

Saint Louis University

University of Notre Dame

Awards & Recognition

Contact Me

Login Required

Please login to contact this attorney

Reviews

4.6 / 5

38 Reviews

1,071 Profile Views

Emanuel Larkin

Jan 30, 2026

So glad I called William S. "Bill" Thomas to handle my Construction Law case in St. Louis

Everyone at William S. "Bill" Thomas's office in St. Louis was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never...

Dewey Wintheiser

Jan 30, 2026

Top notch experts in St. Louis - William S. "Bill" Thomas is by far the best lawyer I've ever had

William S. "Bill" Thomas is fantastic and very professional. Don't hesitate to hire them if you're in Missouri and need help. They really know their stuff and will go the extra mile to make sure you'r...

Marion Hauck

Jan 30, 2026

Great people who truly care at William S. "Bill" Thomas - the best legal team in Missouri

William S. "Bill" Thomas has been doing this since Recognized in Best Lawyers since 2019, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with...

Shaun Kutch

Jan 30, 2026

Excellent legal representation provided by William S. "Bill" Thomas for my Construction Law case

Lucas Hand

Jan 30, 2026

Professional service and clear communication provided by William S. "Bill" Thomas in St. Louis

Needed help with Construction Law and William S. "Bill" Thomas delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in Missouri looking for high-qu...