The Hammer Law Firm, LLC is a St. Louis-based criminal defense practice specializing in protecting the rights of individuals facing serious criminal allegations. With a team of former prosecutors and over 60 years of combined legal experience, the firm stands out for its personalized, accessible, and aggressive advocacy in both state and federal courts.
The firm’s attorneys, including Mark Hammer and Nicole Chiravollatti, leverage their insider perspective as former prosecutors to build effective defense strategies tailored to each client’s unique situation. They prioritize one-on-one attention, direct attorney accessibility, and a commitment to exploring every possible avenue—from negotiation to trial—to secure the best possible outcome. Their clientele includes individuals accused of a wide range of criminal offenses, from misdemeanors to complex federal charges.
Services Offered
- Criminal Defense
- Disorderly Conduct
- Domestic Violence
- Child Abuse
- Drug Crimes (Possession, Distribution, First-Time Offenses, Cocaine, Marijuana, Heroin, Methamphetamines, Pseudoephedrine)
- DUI / DWI (First Offense, Felony, Multiple Offenses)
- Expungements
- Federal Crimes (Bank Fraud, Child Pornography, Drug Trafficking, Kidnapping, RICO Charges, Sex Crimes, Tax Fraud, Wire Fraud)
- Felony Crimes
- Grand Theft Auto
- Juvenile Crimes
- Misdemeanors
- Probation Violation
- Robbery
- Sex Crimes (Child Molestation, Child Pornography, Indecent Exposure, Internet Sex Crimes, Prostitution, Rape, Sexual Abuse, Sexual Misconduct, Statutory Sodomy, Statutory Rape)
- Sex Offender Registry Matters
- Theft Crimes (Burglary, Robbery, Grand Theft Auto, Embezzlement, Identity Theft)
- Violent Crimes (Assault, Involuntary Manslaughter, Manslaughter/Murder, Weapon Charges)
- White Collar Crimes (Bank Fraud, Credit Card Fraud, Embezzlement, Fraud, Identity Theft, Medicare Fraud, Money Laundering, Mortgage Fraud, Prescription Fraud, Tax Fraud)
- Veteran Criminal Defense
- Title IX (Sexual Assault, Sexual Harassment, Stalking)
The firm serves clients throughout Missouri, with offices in St. Louis and Chesterfield, and handles cases in both state and federal jurisdictions. Attorneys are adjunct professors at Saint Louis University School of Law and maintain leadership roles in legal and community organizations, including the American Inns of Court and Lift for Life Gym.
