MSPS Payment Gateways Underwriting 
Stax
JUNE 17, 2025
It’s a big responsibility, but also a major opportunity to grow a long-term, scalable business in the payments space. Contact sales ISOs vs MSPs: What’s the Difference? ISOs are often mentioned in the same breath as MSPs (Member Service Providers), and for good reason—they’re nearly identical in function.
Clearly Payments
DECEMBER 9, 2023
ISOs: Bridging Acquirers and Merchants Independent Sales Organizations (ISOs) or Merchant Service Providers (MSPs) operate as indispensable intermediaries, bridging the gap between acquirers and merchants. You can think of both the ISO and the PayFac as the Payment Gateway stage.
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Exact Payments
OCTOBER 30, 2023
Merchant services providers Merchant services providers (MSPs) equip merchants with all the tools they need to start processing card payments. There are several types of MSPs, including independent sales organizations (ISOs) and payment facilitators.
Clearly Payments
DECEMBER 5, 2023
Acquirers are the foundational layer upon which many other payment processors, including ISOs and aggregators, build, adding value with enhanced software and customer service. Collaborating with acquirers, ISOs facilitate the establishment and management of payment processing systems for merchants.
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