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Notice: All GSB locations are closed today, Monday, January 21 in observance of Martin Luther King, Jr. Day. Normal business hours will resume on Tuesday, January 22.

Notice: If you are a GSB customer impacted by the government shutdown, please reach out to your primary contact here at the bank or contact our Customer Service Center at 207-839-4796.

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Mobile Banking

Woman using mobile phone to deposit check

Our mobile app puts GSB at your fingertips. You use your phone to take pictures, listen to music—maybe even to order coffee or track the number of steps you’re taking. Why not use it to pay bills, deposit checks and review your account information?

GSB mobile app Features:

  • Deposit checks
  • Check account balance
  • View transaction history
  • Transfer funds between accounts
  • Pay bills
  • Locate branches and ATMs
  • Turn your debit card off if it is lost or stolen
  • Withdraw cash without a debit card
Get Started
Woman using mobile phone to deposit check
man on a couch typing on iPad

A Bank That Fits In Your Pocket

And Keeps You On The Go.

man on a couch typing on iPad

In an unfamiliar area and searching for the nearest ATM? Our mobile app will tell you exactly where it is. Or maybe you want to check your balance before making a big purchase. With mobile banking you can buy those concert tickets (or, less excitingly, that washer-dryer) and know exactly what’s left in your account.

Lost It? Lock It!
Manage and protect your debit card from your phone. With Card Controls, you can turn off your card, set transaction limits, and set location-based controls anytime with ease.
Learn More
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Local Decisions
No one knows what Mainers need better than Mainers. That’s why we keep our decision-making local—and have for 150 years.
The GSB Difference

Give Us a Call

Everything good starts with a conversation. Pick up the phone and give us a buzz—we’re always ready to talk loans, products, and services (or the weather).