To provide up-to-date rules and payment information, we are sharing our Regional Payment Association, Corporate User webpage. EPCOR’s webpage is a great resource for Originators. It will provide you with quick tips, frequently asked questions, tools, and additional resources for payments. Please follow this link to access the Corporate User webpage.
Grand Business Banking
Your Treasury Management Services
At GSB, our dedicated professionals are committed to empowering entrepreneurs and nurturing our communities. With our comprehensive treasury management services, we provide the necessary tools for each new opportunity. From acquiring essential business resources, keeping you updated on the latest offerings, or planning for your future, we're here to guide and support your journey.

Stop check fraud before it starts.

Make and receive payments, transfer money from different accounts, request wire transfers, and more.

Business doesn’t wait. Get paid quickly using the latest payment methods.

No more extra trips to the bank. Deposit checks anytime, from anywhere.

Manage your business finances from anywhere you have an internet connection.
Business Checking with GSB is different. Our services were designed to help you bank smoothly and confidently, to take care of your day-to-day banking without breaking a sweat.
Business CheckingFinancial Insights: Read through our blog for valuable financial insights.
Our BlogOpening an account is safe, simple and secure.
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