Cordano, Severson & Associates, Ltd. For more than 45 years, Cordano, Severson & Associates, Ltd. has served as a trusted business partner to clients throughout the Will & surrounding counties. Established in 1965 by Donald L. Cordano, and joined by Greg Severson in 1983, we've been providing services to individuals and to businesses of all sizes. Over the years, we've grown to one of the largest firms in Will County consisting of a staff of more than 15 accounting professionals  and support staff (many with more than 20 years experience), all ready to serve you and help you fulfill your plans, goals and dreams. Your success is our success, and all of us here at Cordano, Severson & Associates, Ltd. look forward to working together with you to achieving the bright financial future you deserve!