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William Marshall O'Neil - Charleston, SC

172 Meeting Street Charleston, SC 29401

Updated: 07/23/2020

Charleston Civil Litigation Lawyer


Bill was born in Charleston, South Carolina on January 17, 1971. He graduated from Vanderbilt University with a B.A. in English Literature in 1993. He received his Juris Doctorate from the University of South Carolina School of Law in May 2005. Prior to law school, he worked as a project manager for local electrical contractors in residential, commercial, and light industrial construction.

He was admitted to the South Carolina Bar in 2005...

About William Marshall O'Neil

Practice Areas

  • Civil Litigation
  • Construction Litigation
  • Insurance Law
  • Environmental Law
  • Commercial Litigation
  • Products Liability

Current Employment Position(s)

  • Partner


Bar Admissions

  • South Carolina, 2005

Other Affiliations

  • South Carolina Defense Trial Attorneys’ Association
  • Defense Research Institute
  • Charleston County Bar Association
  • South Carolina Bar Association
  • American Bar Association
  • American Society of Civil Engineers


  • University of South Carolina School of Law, Columbia, South Carolina, May, 2005
    Juris Doctorate
  • Vanderbilt University, 1993
    Major: English Literature



  • AV Preeminent Peer Review Rating by Martindale-Hubbell
  • South Carolina Super Lawyers, Rising Star, 2012-2014
  • Best Lawyers in America, 2016-2019


Office Information


172 Meeting Street Charleston, SC 29401


  • 843-722-1630

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172 Meeting Street Charleston, SC 29401

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