Skip to content William H. Kleindienst


677 King Street
Suite 450
Charleston, SC 29403


J.D., New York Law School , 2013

Dual B.A., Political Science & Psychology & Social Behavior, University of California, Irvine, 2009

Studied at the Universitat Pompeu Fabra in Barcelona, Spain in 2008


William H. Kleindienst is a Partner in the Charleston office of GRSM. He focuses his practice on advising companies in product liability, asbestos/talc litigation, real estate, environmental, employment, and business transactions. He routinely works with clients in environmental litigation, products liability, real estate, commercial litigation and business transactions. His practice includes providing legal counsel to companies in manufacturing, real estate, construction, architecture, engineering, technology, food & beverage, and retail. He also represents public sector agencies and municipalities in a wide variety of legal matters. 

In his real estate and business transactions practice, he drafts and negotiates documents in connection with the disposition, acquisition, leasing and financing of commercial property, negotiates and drafts office, industrial and/or retail leases, handles review of title, issuance of title insurance, survey and due diligence issues, and working with clients on related commercial real estate documents. He has extensive knowledge of advising client on industrial commercial properties that have unique and historical environmental contaminants (including Brownfields, Landfills, and CERCLA) and the legal issues surrounding these properties. 

William attended New York Law School where he was appointed to the Moot Court Executive Board and co-authored the Robert F. Wagner Moot Court Competition – the nation’s largest labor and employment competition. He clerked with the U.S. Department of Labor, Office of the Solicitor and with the Honorable Devin P. Cohen in the New York, Kings County Civil Courthouse. He also lived in Barcelona, Spain and studied at the Universitat Pompeu Fabra in 2008.

When he is not practicing law, he can be found playing tennis, boating Charleston’s waterways, at his partner’s design studio, or spending time with their two pugs.



  • South Carolina
  • United States District Court for the District of South Carolina


  • The National LGBTQ+ Bar Association
  • The Urban Land Institute, South Carolina
  • South Carolina Municipal Attorneys Association
  • The American Bar Association 

Community Involvement

  • Charleston County Board of Assessment Appeals, Chair, 2014-present
  • Palmetto Community Care, Pro Bono Attorney, 2014-present
  • S.C. Equality Litigation Task Force, Pro Bono Attorney, 2015-present
  • Palmetto Society of Human Resource Management, General Counsel, 2016-2018
  • North Charleston Housing Authority, Vice-Chair, 2018-2022
  • Alliance for Full Acceptance (AFFA), Board Member, 2023-present


Publications & Presentations