A Law Firm with Decades of Success in Illinois & Missouri
Napp Law Firm, located in Alton, Illinois, has been a trusted advocate for clients in Illinois and Missouri since 1991. With more than three decades of dedicated service, our team combines deep legal expertise with a genuine passion for helping our clients achieve the best possible outcomes. We are committed to handling every case with unwavering diligence, ensuring personalized attention and tailored strategies to meet each client’s unique needs. Our longstanding reputation for excellence is built on a foundation of integrity, clear communication, and a tireless work ethic, making us a reliable partner in navigating complex legal challenges.

Licensed in Illinois & Missouri.
Illinois counties: Madison, Jersey, St. Clair, Monroe, Macoupin, and Calhoun.
Missouri counties: St. Louis, St. Charles, Jefferson, Marion, Williamson, Franklin, Randolph, & Jackson.
Call the Napp Law Firm experts at (618) 465-2311 to discuss your case.
ALLAN L. NAPP, Attorney
Allan devotes the majority of his time to representing individuals injured by the actions of others. Over 80% of his time is spent in litigation handling personal injury claims. He has taken over four hundred (400) cases to trial during his legal career.
He prides himself on individual client representation, getting to know his clients, and tailoring their case to best suit their needs. No matter how big or small the injury, every case is given the same careful consideration and expertise.
Allan Napp lives in Godfrey, Illinois, with his wife, The Honorable Circuit Judge Kyle Napp, and their three children. He is a lifelong resident of Madison County, as were his parents and grandparents. Full Bio >



