NMN Injury Law

$ • Personal Injury Attorney, Personal Injury Law, Workers Compensation Law

319 N 4th St #200, St. Louis, MO 63102

About NMN Injury Law

The Law Offices of Frank J. Niesen, Jr. is dedicated to providing guidance and support to individuals navigating complex legal situations. With extensive experience, the team has earned a reputation for leadership in the field. Reviewers praise the office for its exceptional service, citing friendly and approachable staff who take the time to understand clients' concerns. The team is described as easy to talk to, willing to answer questions, and diligent in their work. The office is also praised for its willingness to go above and beyond, with one reviewer noting that the attorney came to their location to visit. Clients have reported achieving favorable settlements and court verdicts, and many have expressed gratitude and appreciation for the office's care and attention. Overall, the Law Offices of Frank J. Niesen, Jr. is a trusted and reputable firm that is committed to making a positive difference in its clients' lives.

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Reviews for NMN Injury Law

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  • Apr 2026

    I can't say enough good things about Frank J Niesen lll of Niesen McDonough Niesen LLC. From the free consultation to the final check Frank Niesen lll and his assistant were both professional and friendly. Frank Niesen lll was incredibly patient and reliable throughout the process. He was quick to respond to every email and phone call in a timely manner. Frank Niesen lll is a very good listener, he made me feel like a priority. Frank J Niesen lll went out of his way on more than one occasion to assist me considering my disability. His responsiveness and ability to explain complex legal issues clearly gave me a better understanding of my options. His recommendation gave...read full review

  • Dec 2025

    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.

  • Nov 2025

    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.

Hours

Monday: 9AM - 5PM
Tuesday: 9AM - 5PM
Wednesday: 9AM - 5PM
Thursday: 9AM - 5PM
Friday: 9AM - 5PM
Saturday: 9AM - 12PM
Sunday: Closed

Location

319 N 4th St #200, St. Louis

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