Shift4 Payments (FOUR) S-1 IPO registration

Exhibit 21.1

Subsidiaries of Shift4 Payments, Inc.

Pursuant to Item 601(b)(21) of RegulationS-K under the Securities Act of 1933, as amended (the “Securities Act”), we have omitted certain subsidiaries which, considered in the aggregate as a single subsidiary, would not constitute a “significant subsidiary” (as defined in Rule1-02(w) of RegulationS-X under the Securities Act).

Legal Name	State or Other Jurisdiction of Incorporation or Organization
Shift4 Payments, LLC	Delaware
Future POS, LLC	Pennsylvania
Harbortouch Financial, LLC	Pennsylvania
Harbortouch Lithuania, UAB	Lithuania
Independent Resources Network, LLC	New York
Merchant Link, LLC	Delaware
MSI Merchant Services Holdings, LLC	New Jersey
POSiTouch, LLC	Rhode Island
Restaurant Manager, LLC	Delaware
Shift4 Corporation	Nevada