Reviews From Real Clients

Law firms often talk a lot about what they can do for people. We believe you should listen to the people who really matter - our clients. At Zimmer, Duncan & Cole, LLP of Sioux Falls, South Dakota, we take pride in what our clients say about us. That's because each positive review represents an example of a case we successfully resolved. Discover what we can do for you. Contact our law firm and schedule your free case evaluation to discuss your potential case. We measure success one person at a time.

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What People Say About Us

Amanda was wonderful to work with and very timely. All of our documents were thoroughly and thoughtfully put together. We felt we were listened to and very respected. Thank you Amanda for such a wonderful job.


I've worked with the attorneys and staff at ZDC for the last 15 years and I'm confident you will find them the best law practice to work with in the Midwest. Professional, dedicated, compassionate, honest, and fair are just a few of the adjectives that come to mind. They are extremely well-versed in all areas of law and are very well respected by their competitors and the court. You will receive the best service available.


 Very professional, caring and went above and beyond to ask all the right questions and think of things I hadn't even thought to mention.


Thank you so much for all your help through these processes.... I believe I have chosen the right firm to help us the best!  Your help is greatly appreciated. Thank you again!

- M.

Jeff and his staff recently helped us in a very difficult time. They always listened to our questions and concerns, explained things completely in language we understood, told us what our options were, and kept us informed on what was going on in the case. This was the second time we had needed Jeff's services and we've been very pleased with the way he handled both cases. We highly recommend the firm.

- S.Z.

I was involved in a terrible auto accident....  I was so pleased that I could find an attorney with an office in Parker as well as in Sioux Falls, who was so compassionate and understanding.  They [Zimmer, Duncan & Cole] helped me enormously throughout this ordeal and I can't thank them enough.

- B.W. 

We met Jeff Cole in 2005 . . .  Our lawyer recommended us to Jeff. Because we live on the other side of the state, it was important to have a lawyer that would not only do what was best for us but also keep in close contact. We certainly found that in Jeff; he kept us very informed on what was going on and what research he was doing on our case. Jeff's knowledge of other cases and the time and effort he took to study them was very encouraging to us. 

We strongly feel that Jeff Cole went the extra mile for us and as a result, all charges against our son were dropped.

- T.G. 

"I can't thank you enough for all you've done for me this year. Your professionalism and generosity have meant the world to me."

- Client 

"We really appreciated the way you dealt with us, and how you handled things in the courtroom. From now on, you are our lawyer!"

- Client

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Sioux Falls

5000 S. Broadband Lane, Suite 119
Sioux Falls, SD 57108

Phone: 605-361-9840
Fax: 605-271-7872
Toll Free: 888-733-2992
Location Details


120 N. Main Street
Parker, SD 57053

Phone: 605-297-4446
Fax: 605-297-4488
Toll Free: 888-733-2992
Location Details