Experienced & Proven Defense in St. Louis

Unparalleled Legal Guidance for Criminal Charges

Facing any type of criminal allegation can be a frightening and life-defining experience. Given the fact that criminal convictions can pose long-term repercussions that impact your life years after fines or imprisonment have been fulfilled, you need to work with attorneys who not only focus on helping you navigate your unique legal process, but also on helping you protect your future. At The Hammer Law Firm, LLC our legal team draws from time spent as former prosecutors and experience handling hundreds of jury and bench trials to provide our clients with an unparalleled level of insight, legal knowledge, and effective criminal defense.


Facing criminal charges in St. Louis? Call (314) 334-3807.


Cases We Handle

Having spent more than 30 years in the trenches fighting for the rights of real people whose freedoms and lives were at stake, our legal team has developed the skills needed to successfully handle a wide range of misdemeanor, felony, and federal criminal cases, including:

If you or your loved one is currently facing criminal allegations, allow our St. Louis criminal defense lawyers to fight on your behalf.

Leading the Way but Never Leaving You Behind

At The Hammer Law Firm, LLC, our legal team takes pride in the fact that we are always in the cockpit, never in the passenger cabin. We guide our clients through dark times and unfamiliar legal proceedings and we always strive to keep them well informed and involved throughout every stage. We understand the emotions you may be feeling, we have encountered your struggle before, and we have a plan to help you.

When you need seasoned lawyers who have consistently demonstrated their abilities to produce results, you need to retain our firm. When you need a compassionate support system that never leaves you behind or neglects your needs, you need our legal team. If you would like specific answers to your questions, or if you wish to discuss your case during a free case evaluation, please do not hesitate to contact a St. Louis criminal defense attorney from The Hammer Law Firm, LLC at your earliest convenience.

Recognized in the industry

  • National Association of Criminal Defense Lawyers
    National Association of Criminal Defense Lawyers
  • American Bar Association
    American Bar Association
  • The Bar Association of Metropolitan St. Louis
    The Bar Association of Metropolitan St. Louis
  • Missouri Association of Criminal Defense Lawyers
    Missouri Association of Criminal Defense Lawyers

Client Testimonials

  • "I could not have imagined getting through this difficult and uncertain time without the help of the Hammer Law Firm."
    - E.M
  • "You don't know how much of a blessing you are to us"
    - C.G
  • "Mark and Nicole are the best law firm partners ever."
    - C.E
  • "Mark and Nicole are the best at getting to the truth of the matter and dedicated to your clients"
    - Vicki H.
  • "Mark Hammer is a decisive, direct, and conscientious attorney. I would definitely recommend him to others."
    - Anonymous
  • "Mark Hammer is a gentleman, exudes confidence and relieves stress with his truth"
    - Anonymous

Why Trust Our Legal Team?

  1. More than 30 years of criminal law experience.
  2. Former prosecutors who know how the
    "other side" operates.
  3. Accessibility and availability – clients can
    always reach our attorneys.
  4. Personalized, one-on-one attention.
  5. Tough negotiators and proven trial lawyers.
Get Immediate Help

Our attorneys are dedicated to working
directly with all our clients.

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