BK vs MRSH Comparison

Bank of New York Mellon is a global investment company involved in managing and servicing financial assets throughout the investment lifecycle. The bank provides financial services for institutions, corporations, and individual investors, delivering investment management and services in 35 countries and more than 100 markets. BNY is the largest global custody bank in the world, with $59.3 trillion in under custody or administration (as of December 2025), and can act as a single point of contact for clients looking to create, trade, hold, manage, service, distribute, or restructure investments. BNY's asset-management division manages about $2.2 trillion in assets.

Marsh McLennan is a professional services firm that provides advice and solutions in the areas of risk, strategy, and human capital. The company operates through two main segments: risk and insurance services and consulting. In risk and insurance services, the firm offers services via Marsh (an insurance broker) and Guy Carpenter (a risk and reinsurance specialist). The consulting division comprises Mercer (a provider of human resource services) and Oliver Wyman (a management and economic consultancy). About half of its revenue is generated outside the US.