Signature Bank

Signature Bank is a Chicago-based, privately held commercial bank founded in 2006 that specializes in serving mid-market companies and privately owned businesses across Illinois and Wisconsin. Operating three main offices (Chicago Devon, Chicago Upper Wacker, and Rosemont), the bank has achieved remarkable growth, climbing to #12 on Crain's Chicago Business 2025 list of Largest Banks in Chicago and earning a place on the Inc. 5000 list of fastest-growing companies for the fifth consecutive year. With expertise in commercial and industrial lending, treasury management, and digital banking platforms, Signature Bank combines the personalized service of a community bank with sophisticated financial capabilities. The bank's client-centered innovation and relationship-driven approach have established it as one of the Midwest's fastest-growing commercial lenders, delivering high-touch service and cutting-edge technology to help businesses prosper.