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Prepared for Trial, Prepared for Results

The Hammer Law Firm provides tough representation for people facing tough criminal charges. Our St. Louis law firm is committed to pursuing justice for each of our clients and doing whatever it takes to protect their future. View some of our helpful videos to learn more about our firm.

Why Trust Our St. Lous Criminal Defense LAw Firm?

  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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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
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