Visa is a well-established service provider in the banking vertical. London, United Kingdom is the location of their main location.
Right now, Financial Data Analysis, Data Analysis, and Scientific Method are frequently searched for professions at Visa. They recruit for offices in Foster City, CA, Austin, TX, Singapore and 17 other locations within Germany and other countries. See below for a list of 158 job offers at Visa for jobs like "Customer Success Manager, Global Accounts" and "Customer Success Manager, Global Accounts".
Wikipedia provides a helpful article about Visa. Check out their social profile on Twitter for a different perspective. A resource not to neglect is the company's careers page with more information about job offers and career prospects.