Signature Bank Ranks No. 70 Among Fastest-Growing Private Companies in Midwest Region

Signature Bank Recognized as One of the Fastest-Growing Private Companies in the Midwest

On May 7, 2026, Signature Bank proudly announced its ranking as No. 70 on the Inc. Regionals Midwest list, a recognition of its remarkable growth among private companies in the region. This accolade not only highlights Signature Bank's rapid development but also solidifies its status as a leading commercial bank in the Midwest. The Inc. Regionals list serves as an extension of the well-regarded Inc. 5000, examining the fastest private enterprises contributing significantly to the Midwest economy, which encompasses states like Illinois, Indiana, Iowa, and others.

Mick O'Rourke, the President and CEO of Signature Bank, expressed pride in the bank's placement, attributing the success to their focus on personalized service coupled with the robust capabilities typical of larger banking institutions. He stated, "Being recognized again as one of Inc. Magazine's fastest-growing companies reflects the strength of our approach delivering the capabilities of a large institution with the personal touch our clients value."

Exceptional Growth in Challenging Times

In a year marked by economic uncertainty, including inflation and supply chain issues, Signature Bank showcased resilience and adaptability. The bank has maintained a consistent trajectory of growth, cementing its reputation in the banking sector. In 2025, it was also listed among the best banks to work for by American Banker for the ninth consecutive year, emphasizing a strong workplace culture.

Highlighting this achievement, O'Rourke noted the importance of understanding the specific needs of each client. "We focus on understanding each client's unique needs and the industries they operate in, and that continues to set us apart," he added, reinforcing the approach that has garnered them numerous accolades.

In addition to the Inc. Regionals recognition, Signature Bank advanced to No. 12 on Crain's Chicago Business list of the Largest Banks in Chicago, a significant rise from the previous No. 15 position. This progression illustrates not only growth but a commitment to excellence in service and operations.

A Commitment to Community and Growth

Founded in 2006, Signature Bank is a client-centric institution headquartered in Rosemont, IL, and is wholly owned by Signature Bancorporation, Inc. Over the last 20 years, it has established itself as a premier banking partner for closely-held companies and individuals seeking personalized financial services.

The bank's dedication to innovative solutions has solidified its position as the fastest-growing independent business bank in the Chicago-Wisconsin markets. According to the Inc. editorial director, Bonny Ghosh, the honorees from this year's Inc. Regionals list have not only weathered challenging conditions but have made significant strides toward innovation and growth.

Looking Ahead

Looking ahead, Signature Bank aims to expand its services and continue innovating to meet the evolving needs of its clients. The bank remains committed to delivering exceptional customer service while also focusing on employee satisfaction, making it an attractive workplace. This dual focus is critical in retaining talent and fostering a positive work culture, which translates into better service for clients.

As the bank celebrates this milestone, it aims to further cement its legacy of trust and reliability in the financial sector. The complete results of the Inc. Regionals Midwest list, featuring detailed company profiles and trends in the market, can be found on the Inc. website.

Signature Bank's recognition not only represents its growth but also reflects its dedication to supporting the community and empowering businesses throughout the Midwest. As it continues on this upward trajectory, the bank looks forward to serving its clients with unmatched dedication and innovative banking solutions.