The Payment Systems Regulator (PSR) is an independent economic regulator in the UK, established under the Financial Services (Banking Reform) Act 2013. It regulates eight designated payment systems, including Bacs, CHAPS, and Visa, to promote competition, innovation, and user interests. The PSR's services include setting rules, conducting market reviews, and enforcing compliance with payment regulations. Its target audience includes banks, fintechs, and other payment service providers. The unique selling proposition is its focus on ensuring payment systems are resilient, competitive, and accessible, making it the world's only dedicated regulator for payment systems[1][3][4].