LONDON—London remains the top global financial center, according to a study from its own financial district, but is outgunned by New York and Singapore in access to talent, while Paris is adding competition from the European Union. The study from the City of London Corporation selected seven centers that feature in other research on financial hubs, such as Z/Yen, which consistently puts New York in the top spot and London second. The study, which added Paris this year, looked at five areas like digital skills, regulation, and talent. While London remains top overall from last year, New York is only slightly behind and closing the gap, followed by Singapore, Frankfurt, Paris, Hong Kong, and Tokyo. New York remains by far the biggest financial center, while London lags Singapore in resilient business infrastructure, access to talent and skills, and a friendly regulatory and legal environment. “UK policymakers need to guarantee that …