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All GSB locations will be closed on Monday, May 29 in observance of Memorial Day. Normal business hours will resume on Tuesday, May 30. Online and mobile banking are available to manage your accounts and deposits can be made at any GSB ATM.


Mobile Banking

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Remember when banking used to get done exclusively in branches? Yeah, we don’t either. Our mobile app puts GSB in your back pocket, whenever you need it, no matter where you are. It’s available on iPhones, iPads, Android devices, and Kindles.

GSB mobile app features:

  • Deposit checks
  • Check account balances
  • View transaction history
  • Transfer funds between accounts
  • Pay bills
  • Locate branches and ATMs
  • Approve or release ACH or wire payments
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On The Go?

We'll Keep You Company

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Flying across the country for an important meeting? Your business won’t go on hold while you’re in transit. With mobile banking you can get business done while you’re on the run. Learn more.

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Born and bred in Cumberland County, we have eleven branches for you to choose from. So, no matter where you are in Southern Maine, we’re nearby.
Find a Branch
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We love anything that helps us give you a better banking experience. From online banking and our mobile app to ATMs, video tellers and branch services, we keep our tech top-notch.
Learn More


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