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Wilka, Welter & Ash, LLP - Sioux Falls, SD

300 N. Dakota AvenueSuite 510 Sioux Falls, SD 57104- 6040

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Updated: 04/10/2020

Sioux Falls Civil Litigation Law Firm


More Than 40 Years Of Experience Representing Fellow South Dakotans

The legal team at Wilka, Welter & Ash, LLP, combines more than 40 years of trial experience. Our seasoned and skilled attorneys employ all of their resources to pursuing the best outcome for their clients.

The criminal and civil litigation practice established by South Dakota natives John M. Wilka, Mark J. Welter and Mary R. Ash focuses on a relentless pursuit of justice for their clients...

About Wilka, Welter & Ash, LLP

Practice Areas

  • Civil Litigation
  • Criminal Defense
  • Family Law
  • Injury & Disability
  • Personal Injury
  • Worker's Compensation
  • Negligence



Office Information


300 N. Dakota AvenueSuite 510 Sioux Falls, SD 57104- 6040


  • 605-332-7824

Offers Free Initial Consultation


Office Hours

Monday-Friday 8 a.m.-5 p.m

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Call us at 605-610-9965

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300 N. Dakota AvenueSuite 510 Sioux Falls, SD 57104- 6040

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