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John M. Wilka

Mark James Welter

The Wilka and Welter law firm takes real pride in its earned reputation as a highly-regarded law firm with one successful case after another. John M. Wilka and Mark James Welter each have over 20 years of trial law experience, which makes them two of the most skilled lawyers in the Sioux Falls area. They focus their practice on injury cases (personal injury and workers' compensation), criminal defense, family law, and civil litigation.

Wilka & Welter, LLP is a strong law firm with a strong reputation because its lawyers care about helping their clients obtain their legal goals. Recognizing a remarkable opportunity to serve clients in a way that relates to their personal and legal objectives, John and Mark approach each client and each case on a uniquely personal level—something they believe large firms abandon. Their record of success only proves the dedication and respect they have for the law and for their clients.