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Attention Business Online Banking Customers: Please be advised that our Cash Management Agreement has been updated as of 5/15/2024 to a more concise and streamlined version. Upon logging into your account, you will be asked to accept the terms and conditions of this new agreement.

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.

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Business Credit Cards

Business Platinum Low Rate Mastercard®

GSB’s Business Platinum Low-Rate Mastercard® is our lowest variable APR card and a good choice for those who typically carry a balance from month-to-month or want to save money by transferring balances from higher APR credit cards. Get versatility, reliability, and convenience – all in one card – backed by a local bank and team you trust. 

  • Modest $99 annual fee*2
  • Spending alerts and controls
  • No balance transfer fee for the first six months*; after that, a 1% fee, or minimum of $10, applies to all balance transfers1
  • Contactless payment on supported devices via Apple Pay®, Samsung Pay® and Google Pay®
  • Additional cards are available at no cost
  • User-friendly online and mobile experiences
  • Consolidated company or individual statements
  • Travel assistance services for travel documents and medical referrals

GSB business customers are invited to apply online. If you’re interested in becoming a customer, speak with our Cash Management team by calling (207) 221-8460 or complete this form.

Businesswoman on phone and laptop in retail shop



Businesswoman on phone and laptop in retail shop

All of GSB’s Business Cards come packed with features designed to make life easier and more rewarding for business owners. From travel assistance to contactless payments, these cards are built to work. Program Administrator functionality even allows you to manage your team’s spending in real-time or open/close accounts. And the best part? Your new Business Card will be from a local bank and a team you trust. So if you ever have questions, just call. Better yet, come on by.

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Need help deciding which card is right for you? Speak with our Cash Management team by calling (207) 221-8460 or complete this form and we’ll be in touch.

Christine Weymouth