Log On

Lock Icon
At 1st Advantage Bank, we proudly support local businesses with flexible business checking accounts designed to help you manage cash flow, simplify daily banking, and grow with confidence. Whether you’re a new startup or an established company in St. Peters or the surrounding St. Charles County area, our community-focused team is here with personalized service and local decision‑making you can trust.

 

woman changing sign to open on store
Small Business Checking Account

The perfect solution for small or new businesses with low transaction volume.

Learn More
Shot of a group of colleagues having a brainstorming session in a modern office
Business Checking Account

For established businesses with high transaction volume

Learn More
Customer paying baker with credit card at bakery

It doesn't stop with your business checking account.

1st Advantage Bank’s wide range of Treasury Management Services provide you the tools to streamline your business operations.

Learn More

1st Advantage Bank believes in providing savings solutions that meet your business’s unique needs.  And we still believe every business deserves dedicated experts to help make sense of it all. 

So, if you’re looking for help to grow your money, we’re here to listen make sure you have the financial services to help your business grow.

Contact Us