© 2026 Guardian Payments POS Powered by Guardian Payment Services LLC is a registered ISO of Citizens Bank, N.A., Providence, RI. Guardian Payment Services, LLC is a registered ISO of Wells Fargo Bank, N.A., Concord, CA. "Square," "Square Terminal," "Square Register," "Square Reader," "Square Stand," "Square Kiosk," and "Square Handheld" are trademarks of Block, Inc. Guardian Payment Services is not affiliated with, owned by, or operated by Block, Inc. We use these names solely to identify the products we sell as an authorized reseller. All other trademarks, service marks, and trade names referenced in this material are the property of their respective owners.

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