Shift4 Payments, Inc. provides software and payment processing solutions in the United States and internationally. Its payments platform supports omnichannel card acceptance and processing for credit, debit, contactless, Europay, MasterCard, and Visa, QR Pay, mobile wallets, and alternative methods such as Apple Pay, Google Pay, Alipay, and WeChat Pay. The company also offers technology solutions including SkyTab POS, SkyTab Mobile, SkyTab Venue, Lighthouse, The Giving Block, Shift4Shop, and Marketplace, along with merchant and software partner operations and support services. Founded in 1999, it is headquartered in Center Valley, Pennsylvania.