The 300 Building
300 North Dakota Avenue
Suite 603
Sioux Falls, SD 57104
Telephone: 605-334-9448
Toll Free: 877-334-9448
Fax: 605-330-6059

Practice Areas

Knowledgeable, Efficient Attorneys - Sioux Falls, South Dakota

If you are facing a tough legal challenge, contact an experienced attorney at Thesenvitz, Mickelson & Berreau, LLP in Sioux Falls, South Dakota. You can call 605-334-9448 or e-mail us. We will be happy to schedule a consultation.

Zealous Criminal Defense Attorneys

In our criminal defense practice, we accept clients charged with any type of crime, from misdemeanors to murders. We have a particular interest in and experience with juvenile criminal defendants - and we are especially sympathetic to the additional penalties placed on young people convicted of crimes. If you or your child has been charged with a crime, please contact us immediately for an appointment.

Realistic, Compassionate Family Law Lawyers: Divorce, Child Support, Child Custody Enforcement, Guardianships

We take a realistic, honest and reasonable approach to the divorce process. We advise our clients that a combative posture will result in a longer and more expensive process. We are aggressive in pursuit of our clients' goals, without being combative, and we encourage our clients to use alternative dispute resolution methods like mediation and arbitration. In addition to divorce work and child support and child custody enforcement, our family law practice focuses on adoptions, paternity matters, protection orders, guardianships and post-decree modifications of child support, custody, visitation and alimony. For advice or representation, contact us for an appointment.

Efficient, Seasoned Personal Bankruptcy Lawyer

Our personal bankruptcy practice is handled by attorney Rick A. Mickelson, who has ten years of success guiding his clients through the bankruptcy process with respect and careful attention to detail. Mr. Mickelson is experienced with both Chapter 7 bankruptcy (also called "discharge bankruptcy") and Chapter 13 bankruptcy (also called "reorganization bankruptcy"). Appointments available immediately - please contact us.

Comprehensive Business Representation

Our attorneys work with you during any part of your business's life, helping you develop, build and grow. We help business owners negotiate and manage transactions including contract review and real estate transactions. Entrepreneurs and small businesses are encouraged to contact Thesenvitz, Mickelson & Berreau for assistance with the establishment of partnerships, corporations, limited liability companies, S-corporations and other types of businesses. Please contact us for a consultation.

Wills, Trusts, Probate and Estate Planning

We are available for all types of estate planning - everything from writing a simple will to planning for the distribution of a complex estate or drafting advance medical directives and living wills. We encourage all our clients to create durable powers of attorney for health care decisions. Contact us for an appointment.

Aggressive Personal Injury Attorneys

Thesenvitz, Mickelson & Berreau provides free consultations to any individual or group injured by another person's inattention, negligence or wrongful conduct. Please contact our offices if you or someone you love was injured in an assault or an accident like:

  • A car crash or truck wreck
  • Dog bites or animal attack
  • Slip-and-fall accident
  • Construction site accident
  • Dangerous or defective product

Evening hours by appointment.
Translation services for various languages available.
Servicios del intérprete disponibles.


Thesenvitz, Mickelson & Berreau, LLP

The 300 Building
300 North Dakota Avenue, Suite 603
Sioux Falls, SD 57104
Telephone: 605-334-9448
Toll Free: 877-334-9448
Fax: 605-330-6059
E-mail
Map & Directions

Located near the Minnehaha County Courthouse


Thesenvitz, Mickelson & Berreau, LLP, in Sioux Falls, South Dakota, proudly serves clients throughout eastern South Dakota, including Sioux Falls, Brookings, Canton, Clear Lake, Elk Point, Flandreau, Madison, Parker, Salem, Vermillion, Yankton, Minnehaha County, Lincoln County, Brookings County, Clay County, Deuel County, Lake County, McCook County, Moody County, Turner County, Union County, Yankton County, the Rosebud Indian Reservation, the Flandreau Santee Sioux Reservation, and the Omaha Indian Reservation. SD.

The information you obtain at this site is not, nor is it intended to be, legal advice. You should consult an attorney for individual advice regarding your own situation.
We are a debt relief agency. We help people file for bankruptcy relief under the Bankruptcy Code.