Drennan Law Firm

Drennan Law Firm stands as a respected DUI and criminal defense practice serving Charleston, Mt. Pleasant, and communities across South Carolina. Founded by attorney John Drennan, the firm was built on a commitment to delivering proven defense strategies and protecting individual rights. Known for handling hundreds of DUI and traffic violation cases each year, the firm has developed a reputation for legal excellence, ethical advocacy, and strategic representation in high-stakes criminal matters.

Drennan Law Firm provides comprehensive legal services in DUI defense, traffic violations, drug crimes, and broader criminal defense. Attorneys bring extensive courtroom experience and deep familiarity with prosecution tactics, strengthened by backgrounds that include prosecuting over 300 DUI cases. This insight allows the firm to anticipate opposing strategies and build strong, tailored defenses designed to protect freedom, reputation, and long-term opportunities.

Drennan Law Firm emphasizes personalized legal solutions through direct attorney-client relationships. Each case receives focused attention, with independent investigations and detailed preparation from the outset. Trial readiness remains central to the firm’s approach, ensuring that every matter is handled with precision, whether resolved in court or through negotiation. Membership in organizations such as the National College for DUI Defense and leading criminal defense associations reflects an ongoing commitment to professional excellence.

Drennan Law Firm continues its legacy through a team of skilled attorneys, including Adam J. Russo, A. Eck Niravong, and Michael Barrett, each contributing significant trial experience across DUI, felony charges, and complex criminal cases. Recognition of evolving legal challenges and dedication to responsive service reinforce a practice grounded in client priorities, confidentiality, and high-quality counsel.