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If you are a software provider looking to supercharge your software with integrated payments, we would love to hear from you. Our experts are here to help.

Contact information

Fiserv corporate headquarters

600 N. Vel R. Phillips Ave.

Milwaukee, WI 53203

If you are a software provider interested in doing business with Fiserv, please fill in the form and we'll be in touch as soon as possible.

If you are a merchant looking to accept payments for your business, visit Merchant Signup or contact us at signup@fiserv.com.

Merchant Support

877-828-0720

Partner Support

877-828-0730

©2025 Fiserv, Inc. Fiserv is a registered trademark of Fiserv, Inc. All trademarks referenced here are the property of the respective owners. Merchant services provided by First Data Merchant Services LLC, a registered Independent Sales Organization of Wells Fargo Bank, N.A., Concord, CA; Deutsche Bank AG, New York, NY; PNC Bank N.A., Pittsburgh, PA; MVB Bank, Fairmont, WV; and Pathward, N.A., Sioux Falls, SD.

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