The Marks Law Firm, L.L.C is the leading Family Attorney in O'Fallon, MO & the surrounding areas. We proudly offer legal services for Divorce, Child Custody, & Family Law. If you are searching for the "Best Legal Services near me," look no further than The Marks Law Firm, L.L.C. in O'Fallon, MO. We received the highest level of professional distinction based on the evaluation of our peers, attorneys, and judges who work with us regularly. We are the trusted attorneys committed to advocating for YOU during this challenging time in your life. We look forward to discussing with you your divorce or family law matter.