William S. "Bill" Thomas
Gausnell, O'Keefe & Thomas LLC
St Louis, MO
Trusted construction attorney serving St Louis.
- 2
- Bar admissions
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Quick answer
William S. "Bill" Thomas is an attorney based in St. Louis, MISSOURI. The practice focuses on Construction. Currently practicing at Gausnell, O'Keefe & Thomas LLC.
- Based in
- St. Louis, MISSOURI
- Experience
- attorney
- Known for
- Construction
- Handles Construction matters from St. Louis, MISSOURI.
- Recognized with Lawyer of the Year — Construction Law (St. Louis) (2025).
About William S. "Bill" Thomas: William S. "Bill" Thomas is an attorney based in St. Louis, MISSOURI. The practice focuses on Construction. Currently practicing at Gausnell, O'Keefe & Thomas LLC.
Areas of practice
Practice focus
William S. "Bill" Thomas represents clients in St Louis, Missouri across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About William S. "Bill" Thomas
William S. Thomas is one of the firm’s many experienced trial lawyers. His practice is diverse, with an emphasis in complex litigation. He has tried cases in a number of difficult venues, from the City of St. Louis, Missouri, to Madison and St. Clair Counties, in Illinois, and Federal Court in East St. Louis and St. Louis. He was lead trial counsel in one of the longest civil jury trials in St. Louis County history, which lasted 100 trial days. In addition to his trial practice, Bill is actively involved in a number of professional organizations. He is a former president of the Lawyers Association of St. Louis, the local trial bar. He is active in the Defense Research Institute, (DRI), serving on its Products Liability Committee, and that committee’s Building Products and Power Tool Specialized Litigation Groups, where he has spoken at DRI conferences. He is active in the DRI’s Construction Committee, and Professional Liability Committee, where he serves on their Design Professional Subcommittees. He has authored a number of articles for the DRI’s monthly publication, For the Defense. He is an extensive author and speaker on a number of topics from products liability to construction law issues.
Credentials
Education
Saint Louis University
JD · 1994
University of Notre Dame
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Jurisdictions
Bar admissions
Illinois, Illinois
ACTIVE
Missouri, Missouri
ACTIVE
Recognition
Awards & honors
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
Best Lawyers in America — Construction Law
2026
Best Lawyers in America — Litigation - Construction
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Litigation - Environmental
2026
Best Lawyers in America — Medical Malpractice Law - Defendants
2026
Best Lawyers in America — Product Liability Litigation - Defendants
2026
Best Lawyers in America — Professional Malpractice Law - Defendants
2026
Locations
Office locations
Gausnell, O'Keefe & Thomas LLC
1717 Park Avenue
St. Louis, Missouri 63104
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Common questions
What areas of law does William S. "Bill" Thomas practice?
William S. "Bill" Thomas focuses on Construction.
Where is William S. "Bill" Thomas located?
William S. "Bill" Thomas primarily serves clients in St Louis, Missouri, with an office at 1717 Park Avenue.
Is William S. "Bill" Thomas a verified attorney?
William S. "Bill" Thomas's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with William S. "Bill" Thomas?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 314-257-9800.
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