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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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Corporate Credit Cards

Corporate Mastercard®

Corporate Mastercard®

GSB’s Corporate Mastercard® is a great option for mid-to-large organizations, nonprofits, and municipalities that want to have greater control and visibility over employee spending with no annual fee*. Plus, it includes a robust expense reporting system at no cost to help simplify and streamline operations. Best of all, it’s backed by a local bank and a team you trust.

  • No annual fee*
  • Contactless payment on supported devices via Apple Pay®, Samsung Pay® and Google Pay®
  • Additional cards available at no cost
  • User-friendly online and mobile experiences
  • Robust expense reporting system included at no cost
  • Spending controls and alerts — customize spending limits, add/close employee cards in real-time
  • Consolidated company statement or individual statements to each cardholder
Corporate Mastercard®
Professional on laptop while writing in office



Professional on laptop while writing in office

From healthcare to higher ed, municipalities to nonprofits, Corporate Credit Cards are an invaluable tool for large organizations of every size. If you’re managing high-volume recurring expenses, many card holders with varying limits, or complex reporting/accounting processes, a Corporate Card from GSB could help you achieve greater control and streamline your processes. Expect quick decisioning, a robust reporting system and a whole host of other benefits built around your organization’s needs—all from a local bank and a team you trust. 

Compare All Corporate Credit Cards


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