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Our Yarmouth branch will close at noon on Friday 7/19 and remain closed on Saturday 7/20 for the Yarmouth Clam Festival. The drive-up video teller is available normal hours. We apologize for the inconvenience. See nearby locations.


Family Life

family with child and dog

Juggling your kids’ sports, activities and appointments with all the other joys of raising a family can make for busy days. Do you know what shouldn’t make your life feel any more hectic? Your bank.

family with child and dog
kids on bus

Mobile Banking

Making Life On The Go Possible.

kids on bus

Mobile banking is like having a tiny bank branch that you carry around in your pocket. It’s a piece of cake to manage your accounts on the go, so you can make deposits during play rehearsal and pay bills during halftime.

Let’s talk about Online Banking.

Online banking and mobile services put GSB at your fingertips. Access account information, deposit checks, transfer money and pay bills from your computer or mobile device.

Having a Babydropdown icon


Having a Baby

You’ve picked out the perfect name, and the perfect car seat.

Learn More

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Planning for Retirement

Soon it will be time to perfect your golf game and travel the world—or stay at home and spoil your grandkids.

Learn More

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Buying a Car

Whether it’s a zippy convertible, a new work truck or the RV you’ll use for your epic cross-country journey, we know you’re eager to hit the road.

Learn More

Switching Is Easy

In the past, switching banks was a pain. But now, we make it super easy. Contact us to get the ball rolling or open an account online today.