BNY is one of the world's largest custody banks, meaning it safeguards, settles and administers securities on behalf of asset managers, pension funds, insurance companies and other large institutional investors rather than taking deposits from individual consumers. Custody banking is a scale business where being one of a small number of trusted global providers matters more than any single competitive feature, since institutions want their assets held by a bank with the infrastructure to operate reliably across many markets and currencies. Beyond core custody, BNY also runs asset servicing, clearing, treasury services and an investment management arm, each benefiting from the same institutional relationships built around safekeeping client assets. Its revenue comes largely from fees tied to the value of assets under custody and administration, so its results tend to move with overall market levels rather than with loan growth the way a traditional bank's would.