About NMN Injury Law

For over 20 years, our St. Louis personal injury lawyers have been dedicated to helping people like you through some of the most challenging legal situations imaginable. We specialize in personal injury cases, workers compensation cases, and more with deep local knowledge and extensive trial experience. Our team has earned a reputation for leadership, compassion, and delivering proven results, securing millions for injured families across Missouri. When you need trusted guides through the legal system, we're here to help. Reach out today to learn more with an initial consultation.

Legal Disclaimer: This website is for informational purposes only. Contacting NMN Injury Law through this site does not create an attorney-client relationship. Please do not send any confidential information until an attorney-client relationship has been established.

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Client Testimonials

Client

★★★★★

Niesen, McDonough & Niesen are a great group. i was denied SS Disability, and met with Mark. We went over my options to appeal my case and in a very short time i was approved. Mark was great to work with and kept me updated throughout the process. i would recommend anyone needing help to reach out to Mark and his firm. That was the best call i could have made.

Client

★★★★★

The Law Offices of Frank J. Niesen was a very helpful asset to my case. The lawyer Mike McDonough specifically was very helpful. His communication skills were superb, he always responded in a timely manner and answered all my questions with professional/helpful advice. Overall the service exceeded my expectations, I would definitely recommend them to others.

Client

★★★★★

Thank you Michael !!! for accepting my case, It was a pleasure working with you I love the service I get from NMN Injury Law I would definitely recommend someone to work with you.

Client

★★★★★

I highly recommend the Law Office of Frank J. Niesen. I can't say thank-you enough to him for preparing a few legal documents within hours of my request. I had forgotten to obtain the documents until the afternoon prior to needing them. I called Frank Niesen to explain my dilemma and he immediately made time to obtain the necessary information to enable him to draft the documents, and promptly emailed them to me. I was able to sign and get them notarized in time. Thanks much to Frank Niesen and this law firm!

Client

★★★★★

Excellent law firm. My case took 3 years to settle, Mike advised me every step, very thorough with explaining the process. Very friendly attorney and front desk staff.

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