Security Bank, headquartered in Springfield, Illinois, is a community-focused financial institution dedicated to delivering personalized service, innovative banking solutions, and a strong commitment to the communities we serve. Established to provide trusted, relationship-based banking, we offer a full range of personal, business, and digital banking services designed to help our customers achieve their financial goals.

On July 31, 2025, we proudly completed our conversion from a mutual to a stock form of organization, becoming a wholly owned subsidiary of Security Midwest Bancorp, Inc. (OTCQB: SBMW). This milestone strengthens our ability to grow, innovate, and reinvest in our customers, employees, and community.

Rooted in trust, driven by purpose, and committed to progress—Security Bank continues to build lasting relationships and provide the financial tools our customers need to succeed.

Member FDIC | Equal Housing Lender
NMLS# 416191

Security Bank - Springfield, IL

Org chart

Teams

Offices