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

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Reviews

4.6 / 5

38 Reviews

1,065 Profile Views

Cristina Parker

Jan 30, 2026

So happy with the results of my case thanks to the hard work of William S. "Bill" Thomas and staff

Honestly, I can't thank William S. "Bill" Thomas enough for everything they've done for me. They really know their stuff when it comes to Construction Law and it shows in the results. 10/10 would reco...

Shannon Strosin

Jan 30, 2026

William S. "Bill" Thomas did a great job handling my complex Construction Law case from start to finish

I appreciate how William S. "Bill" Thomas handled my case. No fluff, just straight to the point and very effective representation for my Construction Law matter. They are obviously very experienced an...

Brandi Gottlieb

Jan 30, 2026

Outstanding experience with William S. "Bill" Thomas in St. Louis - truly the best legal team

If you're looking for someone who actually cares and will fight for you, go to William S. "Bill" Thomas. They helped me out big time with my Construction Law issue and kept me informed at every step o...

Ruth Predovic

Jan 30, 2026

William S. "Bill" Thomas did a great job handling my complex Construction Law case from start to finish

I've worked with a few lawyers in St. Louis over the years, but William S. "Bill" Thomas stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all tim...

Nadine Rau

Jan 30, 2026

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

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...