Providing a full range of legal services.
Our attorneys are dedicated to a specific area of the law allowing us to provide every client with the highest quality legal service.
Richardson Law Firm is one of the oldest law firms in South Dakota.
Established in 1926, we provide a full range of legal practices ranging from business litigation to wills and trust. The members of our firm are actively involved in several state and national legal organizations, have served on the boards of several state-wide private organizations and governmental agencies, and have been active in numerous local, education, service, and civic organizations.

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Recent News
Christi M. Weideman becomes Partner
Richardson Law Firm is pleased to announce that Christi M. Weideman became a partner, effective January 1, 2023. She specializes in family law as well [...]
Zachary Peterson prevails in South Dakota Supreme Court appeal
(Estate of Thacker v. Timm, 2023 S.D. 2) Zachary W. Peterson prevailed on an appeal to the South Dakota Supreme Court concerning the estate’s claims [...]
William Sauck has Retired
William Sauck has recently retired from Richardson Law Firm. We thank him for the many years of service he provided. William K. Sauck, Jr. was [...]
A nationally recognized firm


Contact us today
Contact Richardson Law firm to get an experienced attorney’s advice. All cases are thoroughly investigated and carefully prepared. Our staff is highly committed to personalized and responsive service regarding your case and the desired results.
605-225-6310
1 Court Street
Aberdeen, SD 57402
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