Our Firm


At the Law Office of Oscar Posterli, our clients come first. Every client is treated with courtesy and is guaranteed effective representation. Our expertise and integrity have earned us a reputation as one of Illinois' premier legal firms. A consistent track record of uncompromising ethics instills confidence and trust. We use cutting edge technologies that allow us to respond quickly, and give you the most relevant information and perspectives.

The Law Office of Oscar Posterli is dedicated to achieving the optimal outcome for every client. With the Law Office of Oscar Posterli on your side, you will receive the best legal representation possible.

Aggressive and Effective Representation

Phone 847-263-1500 | Fax 847-263-1593 | Email oscar@posterlilaw.com