1 new alerts

Browse our Security Center for tools and resources to protect your privacy and personal financial information. Find online banking security tips along with information on common scams. If you are ever in doubt, call us directly at (207) 839-4796.



dog at vet

Every business is unique—and so is every loan. We offer a variety of business lending options, and we can help you figure out which one is best for you. Only one thing stays the same no matter what: our top-notch service.

Contact Us
dog at vet
volunteer opening boxes

The Funds You Need

When You Need Them.

volunteer opening boxes

We get it: When you apply for a loan, you need to feel confident the process will be swift and secure. Another thing we get? Maine. We’re based here, and we can put our knowledge of the business landscape to work for you.

Blue cartoon person with a star imprinted on their chest. Customer Owned icon
Customer Owned
We made the decision 150 years ago to put our customers first—and we’ve never looked back. We did it by becoming a mutual savings bank. Our customers, our owners.
The GSB Difference
Blue 5 cartoon heads arms and shoulders hugging to form a circle. Community Icon
At its best, banking is about relationships. It’s about coming together to build something we can all believe in. We believe banking can be a force for good. Let us show you how.
The GSB Difference


Contact one of our business bankers directly, or complete this form and a member of our team will be in touch. Prefer the phone? Give us a call at (207) 221-8484.

Portland Discovery Man and Woman