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All your business needs, in one place

Business Checking Suite

Select the account that best fits your business. Gain access to convenient business tools and exclusive benefits.

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Business Savings

Your earnings are half the battle; now it's time to ensure they grow.

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Cash Management

Cash management tools help make running your business easier than ever, saving time and money.

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Commercial Real Estate

Since 1875, Connecticut companies have looked to us as a trusted source of credit.

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Commercial Loans

We offer a wide variety of commercial and industrial loans with a level of flexibility & personal service, and quick turn-around time.

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20th Annual Celebration Auction

April 24, 2019

Anthony's Ocean View

The Big Sleep Out

April 26, 2019 to April 27, 2019

Guilford Green

Raise Your Glass to Raise a Roof

April 26, 2019

Water's Edge Resort & Spa

Chili Challenge for a Cause

April 27, 2019

Main Street in Branford


Need help deciding which account is right for you? Our Product Selector Tool helps you find the best match. By answering a few simple questions, we'll determine which account fits your unique goals.



Feb 06, 2019

GSB Provides $5.6 Million in Financing for Six Commercial Properties in the Old Saybrook Business Park

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Dec 11, 2018

GSB Named Business of the Year

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Nov 27, 2018

Growing Investments-At GSB Wealth Management, business is personal.

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Nov 26, 2018

GSB Matches Donations to Four Community Organizations

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